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Lenovo Legion Phone Duel 2 smartphone review - Active cooling for fast gaming

Better gamble. Only a few months after our review of the Lenovo Legion Phone Duel, the successor is already available and it sounds like a real upgrade: More power, more gaming features, active cooling, new design. So, a real feast for gamers?
Florian Schmitt, 👁 Florian Schmitt (translated by DeepL / Ninh Duy), 🇩🇪 🇮🇹 ...
Lenovo Legion Phone Duel 2
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Lenovo Legion Phone Duel 2 (Legion Phone Series)
Processor
Qualcomm Snapdragon 888 5G 8 x 1.8 - 2.8 GHz, Cortex-X1 / A78 / A55 (Kryo 680)
Graphics adapter
Memory
16384 MB 
Display
6.92 inch 20.5:9, 2460 x 1080 pixel 388 PPI, capacitive touchscreen, AMOLED, 720Hz sampling rate, glossy: yes, HDR, 144 Hz
Storage
512 GB UFS 3.1 Flash, 512 GB 
, 500 GB free
Connections
1 USB 3.0 / 3.1 Gen1, Audio Connections: audio via USB-C, 1 Fingerprint Reader, NFC, Brightness Sensor, Sensors: acceleration sensor, gyroscope, proximity sensor, light sensor, compass
Networking
802.11 a/b/g/n/ac/ax (a/b/g/n = Wi-Fi 4/ac = Wi-Fi 5/ax = Wi-Fi 6), Bluetooth 5.2, Dual SIM, LTE, 5G
Size
height x width x depth (in mm): 9.9 x 176 x 78.5 ( = 0.39 x 6.93 x 3.09 in)
Battery
5500 mAh Lithium-Polymer, up to 90 watt quick charge
Charging
fast charging / Quickcharge
Operating System
Android 11
Camera
Primary Camera: 64 MPix f/​1.89, phase comparison-AF, dual LED-flash, Videos @4320p/​60fps (Camera 1); 16.0MP, f/​2.2, wide angle lens (Camera 2)
Secondary Camera: 44 MPix f/​2.0, Videos @2160p/​60fps, extendable
Additional features
Speakers: stereo speakers, Dolby Atmos, Keyboard: virtual keyboard, 24 Months Warranty, notification LED (rear/​multicoloured), fanless
Weight
259 g ( = 9.14 oz / 0.57 pounds), Power Supply: 208 g ( = 7.34 oz / 0.46 pounds)
Price
999 Euro
Note: The manufacturer may use components from different suppliers including display panels, drives or memory sticks with similar specifications.

 

Possible competitors in comparison

Rating
Rating Version
Date
Model
Weight
Drive
Size
Resolution
Price from
87 %7
04/2021
Lenovo Legion Phone Duel 2
SD 888 5G, Adreno 660
259 g512 GB UFS 3.1 Flash6.92"2460x1080
87 %7
02/2021
Lenovo Legion Phone Duel
SD 865+ (Plus), Adreno 650
239 g512 GB UFS 3.1 Flash6.65"2340x1080
88 %7
04/2021
Asus ROG Phone 5
SD 888 5G, Adreno 660
239 g256 GB UFS 3.1 Flash6.78"2448x1080
90 %7
02/2021
Samsung Galaxy S21 Ultra
Exynos 2100 5G, Mali-G78 MP14
227 g128 GB UFS 3.1 Flash6.80"3200x1440

Case, features and operation - Unusual transverse case

Gaming phones are not exactly known for their restrained design. Lenovo's Legion Phone Duel 2 offers a fairly conservative color palette with black and white, but it is otherwise anything but ordinary: Like the predecessor, the smartphone is clearly designed for use in landscape mode and is considerably thicker in the center, where the cameras are found, and the RGB module on the back, which lights up or flashes during notifications or in gaming mode and can be configured in numerous colors and effects.

The storage configuration is exactly the same as in the predecessor, but there is a pleasant surprise: The price for the entry-level model with 12 GB of RAM and 256 GB of mass storage is 799 Euros cheaper than in the predecessor, the version with 16 GB of RAM and 512 GB of data storage still costs 999 Euros, and a charging station is included as an extra.

Once again, the display is extremely fast with a refresh rate of 144 Hz. The smartphone can be used very quickly in everyday use and scrolls very smoothly. The touchscreen's sampling rate has been increased again to 720 Hz, but only absolute pro gamers will notice a difference in reactivity.

WiFi 6 is on board. Our test device performs on a high level in our test with the reference router Netgear Nighthawk AX12 Samsung Galaxy S21 Ultra or the Asus ROG Phone 5 Devices that offer even faster Wi-Fi. 5G is again available, as well as fast LTE with good frequency coverage, so that the smartphone can be used in almost all countries in the world.

The software is now based on Android 11, offers reasonably up-to-date security patches and provides a great user manual including videos, sound samples and direct links to the respective functions. External screens can also be connected via USB or Miracast, on which you can even run other apps than on the smartphone screen at the same time. The connection with keyboard, mouse or gamepad is also possible, as long as the respective game supports it.

The predecessor offered 2 assignable shoulder buttons for games, the Legion Phone Duel 2 offers 6: Two shoulder buttons on each side and one on each edge of the middle module, which can be operated comfortably with the middle fingers.

Size comparison

176 mm / 6.93 inch 78.5 mm / 3.09 inch 9.9 mm / 0.3898 inch 259 g0.571 lbs172.83 mm / 6.8 inch 77.25 mm / 3.04 inch 9.9 mm / 0.3898 inch 239 g0.527 lbs169.2 mm / 6.66 inch 78.5 mm / 3.09 inch 9.9 mm / 0.3898 inch 239 g0.527 lbs165.1 mm / 6.5 inch 75.6 mm / 2.98 inch 8.9 mm / 0.3504 inch 227 g0.5 lbs
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Networking
iperf3 Client (transmit) TCP 1 m 4M x10
Asus ROG Phone 5
Wi-Fi 6E
1238 (643min - 1325max) MBit/s ∼100% +82%
Samsung Galaxy S21 Ultra
Wi-Fi 6E
803 (437min - 889max) MBit/s ∼65% +18%
Samsung Galaxy S21 Ultra
Wi-Fi 6E
633 (523min - 703max) MBit/s ∼51% -7%
Lenovo Legion Phone Duel 2
802.11 a/b/g/n/ac/ax
680 (620min - 697max) MBit/s ∼55%
Lenovo Legion Phone Duel
802.11 a/b/g/n/ac/ax
673 (618min - 693max) MBit/s ∼54% -1%
iperf3 Client (receive) TCP 1 m 4M x10
Samsung Galaxy S21 Ultra
Wi-Fi 6E
922 (904min - 928max) MBit/s ∼100% +17%
Samsung Galaxy S21 Ultra
Wi-Fi 6E
169 (156min - 180max) MBit/s ∼18% -79%
Lenovo Legion Phone Duel 2
802.11 a/b/g/n/ac/ax
789 (660min - 853max) MBit/s ∼86%
Asus ROG Phone 5
Wi-Fi 6E
788 (735min - 867max) MBit/s ∼85% 0%
Lenovo Legion Phone Duel
802.11 a/b/g/n/ac/ax
751 (686min - 802max) MBit/s ∼81% -5%
04590135180225270315360405450495540585630675720765810742687660701753793792817796811800781779800810814853835835827818804793787795789782797810793742687660701753793792817796811800781779800810814853835835827818804793787795789782797810793620670674687678686676671695687666687678682688682686675674686692688681692689674682683697684Tooltip
; iperf3 Client (receive) TCP 1 m 4M x10; iperf 3.1.3: Ø788 (660-853)
; iperf3 Client (transmit) TCP 1 m 4M x10; iperf 3.1.3: Ø680 (620-697)

Cameras - front camera for streaming

Recording front camera
Recording front camera

At first glance, only little has changed in terms of the cameras. There are still two lenses on the back: The main lens with 64 megapixels and the wide-angle lens with 16 megapixels. These are the same lenses as in the predecessor, but the main camera can now record 8K videos due to the new SoC.

Photos are usually output with 16 megapixels with the main camera as well, but four pixels are combined into one to increase the light intensity. Shooting in full quality is also possible, but in a special mode. We already liked the predecessor's photos with many details and good colors, and this is also true for the Legion Phone Duel 2.

Pictures in low light and high contrasts also look quite detailed, but a slightly better brightening would still be possible, as other smartphone cameras show

The wide-angle camera could take sharper pictures and the brightening also lags considerably behind other high-end cameras.

The front-facing camera has been upgraded significantly. It now offers 44 megapixels and also works with pixel binning, which means it only outputs 11-megapixel pictures, but with a higher light sensitivity. The selfies look sharp and well-lit.

Unusual: The front-facing camera extends centrally out of the casing in landscape mode, but still works well for selfies in portrait mode. It can also be used well for video recordings, for example during streaming.

Image Comparison

Choose a scene and navigate within the first image. One click changes the position on touchscreens. One click on the zoomed-in image opens the original in a new window. The first image shows the scaled photograph of the test device.

Hauptkamera BlumeHauptkamera UmgebungHauptkamera Low LightWeitwinkelkamera
ColorChecker
14.6 ∆E
8.4 ∆E
12.6 ∆E
16.3 ∆E
9.9 ∆E
6.6 ∆E
8.6 ∆E
9.5 ∆E
7 ∆E
5.5 ∆E
9.5 ∆E
5.8 ∆E
6.9 ∆E
10.5 ∆E
7.8 ∆E
6.4 ∆E
6.5 ∆E
10.4 ∆E
8.2 ∆E
5.9 ∆E
8 ∆E
10.2 ∆E
9.1 ∆E
3.2 ∆E
ColorChecker Lenovo Legion Phone Duel 2: 8.64 ∆E min: 3.16 - max: 16.28 ∆E
ColorChecker
19.6 ∆E
23.5 ∆E
23.8 ∆E
27.2 ∆E
26.7 ∆E
35.4 ∆E
25.9 ∆E
19.5 ∆E
16.4 ∆E
20.2 ∆E
32.7 ∆E
35.3 ∆E
18.5 ∆E
27.7 ∆E
13.3 ∆E
25.3 ∆E
20.5 ∆E
30.1 ∆E
22.7 ∆E
22.6 ∆E
29.6 ∆E
27.2 ∆E
21.4 ∆E
12.5 ∆E
ColorChecker Lenovo Legion Phone Duel 2: 24.08 ∆E min: 12.54 - max: 35.42 ∆E

Display - Snappy, but somewhat disappointing

Subpixel recording
Subpixel recording

The 144 Hz screen is not quite as bright as in the predecessor and thus only offers mediocre brightness rates overall. The AMOLED screen is too dark for a smartphone in this price range, but it is usable for everyday use as long as you do not spend too much time outdoors.

We like the fact that the smartphone generally offers a quite high PWM frequency so that the eyes are spared and a DC dimming mode is also available. Colors are a bit less accurate than in the predecessor, but they are still within limits as long as you do not want to perform professional factory correction on the screen.

467
cd/m²
467
cd/m²
473
cd/m²
463
cd/m²
463
cd/m²
466
cd/m²
467
cd/m²
466
cd/m²
465
cd/m²
Distribution of brightness
X-Rite i1Pro 2
Maximum: 473 cd/m² Average: 466.3 cd/m² Minimum: 3.4 cd/m²
Brightness Distribution: 98 %
Center on Battery: 463 cd/m²
Contrast: ∞:1 (Black: 0 cd/m²)
ΔE Color 3.24 | 0.59-29.43 Ø5.6
ΔE Greyscale 4.4 | 0.64-98 Ø5.8
95.3% sRGB (Calman 2D)
Gamma: 2.201
Lenovo Legion Phone Duel 2
AMOLED, 2460x1080, 6.92
Lenovo Legion Phone Duel
AMOLED, 2340x1080, 6.65
Asus ROG Phone 5
AMOLED, 2448x1080, 6.78
Samsung Galaxy S21 Ultra
Dynamic AMOLED 2X, 3200x1440, 6.80
Response Times
16%
43%
19%
Response Time Grey 50% / Grey 80% *
8 (5, 3)
8 (5, 3)
-0%
2.4 (1.2, 1.2)
70%
3.2 (1.6, 1.6)
60%
Response Time Black / White *
6 (3, 3)
6 (3, 3)
-0%
2.4 (1.2, 1.2)
60%
2.8 (1.2, 1.6)
53%
PWM Frequency
568.2
833.3
47%
568.2 (22)
0%
250 (99)
-56%
Screen
36%
51%
55%
Brightness middle
463
546
18%
789
70%
910
97%
Brightness
466
550
18%
795
71%
913
96%
Brightness Distribution
98
93
-5%
98
0%
98
0%
Black Level *
Colorchecker DeltaE2000 *
3.24
1.24
62%
1.4
57%
2
38%
Colorchecker DeltaE2000 max. *
5.75
2.01
65%
3
48%
3.1
46%
Greyscale DeltaE2000 *
4.4
1.9
57%
1.7
61%
2.2
50%
Gamma
2.201 100%
2.303 96%
2.27 97%
2.06 107%
CCT
7273 89%
6200 105%
6596 99%
6512 100%
Total Average (Program / Settings)
26% / 29%
47% / 49%
37% / 43%

* ... smaller is better

Display Response Times

Display response times show how fast the screen is able to change from one color to the next. Slow response times can lead to afterimages and can cause moving objects to appear blurry (ghosting). Gamers of fast-paced 3D titles should pay special attention to fast response times.
       Response Time Black to White
6 ms ... rise ↗ and fall ↘ combined↗ 3 ms rise
↘ 3 ms fall
The screen shows very fast response rates in our tests and should be very well suited for fast-paced gaming.
In comparison, all tested devices range from 0.8 (minimum) to 240 (maximum) ms. » 6 % of all devices are better.
This means that the measured response time is better than the average of all tested devices (24 ms).
       Response Time 50% Grey to 80% Grey
8 ms ... rise ↗ and fall ↘ combined↗ 5 ms rise
↘ 3 ms fall
The screen shows fast response rates in our tests and should be suited for gaming.
In comparison, all tested devices range from 0.8 (minimum) to 636 (maximum) ms. » 8 % of all devices are better.
This means that the measured response time is better than the average of all tested devices (38.1 ms).

Screen Flickering / PWM (Pulse-Width Modulation)

To dim the screen, some notebooks will simply cycle the backlight on and off in rapid succession - a method called Pulse Width Modulation (PWM) . This cycling frequency should ideally be undetectable to the human eye. If said frequency is too low, users with sensitive eyes may experience strain or headaches or even notice the flickering altogether.
Screen flickering / PWM detected 568.2 Hz

The display backlight flickers at 568.2 Hz (Likely utilizing PWM) .

The frequency of 568.2 Hz is quite high, so most users sensitive to PWM should not notice any flickering.

In comparison: 52 % of all tested devices do not use PWM to dim the display. If PWM was detected, an average of 14804 (minimum: 5 - maximum: 2500000) Hz was measured.


CalMAN Grayscale
CalMAN Grayscale
CalMAN color accuracy
CalMAN color accuracy
CalMAN color space sRGB
CalMAN color space sRGB
CalMAN Saturation
CalMAN Saturation

Performance, emissions and battery life - Very good stereo speakers

The Lenovo Legion Phone Duel 2 and the Asus ROG Phone 5 fight a hot duel for the currently fastest gaming smartphone. There is no clear winner; both deliver a lot of power and should be able to render all current mobile games flawlessly in high settings.

Lenovo's Legion Phone Duel 2 offers a sophisticated cooling system including an active fan, which is also clearly audible under load. Nevertheless, the temperatures increase quite significantly during high load and reach up to 49.3 °C in our tests. That is quite high. Although the manufacturer wisely limits the heating to the center part of the case, where the hands rarely reach, the smartphone still feels hot when you touch it there.

Due to these high temperatures, there is no constant performance even despite active cooling: You have to reckon with almost 10% less performance after longer load according to the 3DMark Wild Life Stress Test.

According to our Pink Noise speaker test, the stereo speakers are much better than those of the predecessor. The speakers are also impressive overall: You can even hear the bass and the overall sound is very balanced. Lenovo's Legion Phone Duel 2 has one of the best speaker systems currently available in smartphones.

The battery has become a bit more powerful, and the battery runtimes are even better than in the predecessor: 15:07 hours in our WLAN test indicate several days of operation without charging. If you do need to charge, it is done very quickly thanks to two charging sockets and up to 90 watts of total charging power: The battery is full again in well under an hour. Convenient: One of the two charging ports is located in the center of the smartphone's long side, so you can also use the power port comfortably when gaming in landscape mode.

Geekbench 5.3
64 Bit Single-Core Score (sort by value)
Lenovo Legion Phone Duel 2
Qualcomm Snapdragon 888 5G, Adreno 660, 16384
1132 Points ∼100%
Lenovo Legion Phone Duel
Qualcomm Snapdragon 865+ (Plus), Adreno 650, 16384
977 Points ∼86% -14%
Asus ROG Phone 5
Qualcomm Snapdragon 888 5G, Adreno 660, 16384
1124 Points ∼99% -1%
Samsung Galaxy S21 Ultra
Samsung Exynos 2100 5G, Mali-G78 MP14, 12288
1106 Points ∼98% -2%
Average Qualcomm Snapdragon 888 5G
  (989 - 1156, n=14)
1119 Points ∼99% -1%
Average of class Smartphone
  (58 - 1604, n=235, last 2 years)
565 Points ∼50% -50%
64 Bit Multi-Core Score (sort by value)
Lenovo Legion Phone Duel 2
Qualcomm Snapdragon 888 5G, Adreno 660, 16384
3702 Points ∼100%
Lenovo Legion Phone Duel
Qualcomm Snapdragon 865+ (Plus), Adreno 650, 16384
3424 Points ∼92% -8%
Asus ROG Phone 5
Qualcomm Snapdragon 888 5G, Adreno 660, 16384
3717 Points ∼100% 0%
Samsung Galaxy S21 Ultra
Samsung Exynos 2100 5G, Mali-G78 MP14, 12288
3583 Points ∼96% -3%
Average Qualcomm Snapdragon 888 5G
  (3379 - 3810, n=14)
3609 Points ∼97% -3%
Average of class Smartphone
  (248 - 4455, n=235, last 2 years)
1939 Points ∼52% -48%
PCMark for Android - Work 2.0 performance score (sort by value)
Lenovo Legion Phone Duel 2
Qualcomm Snapdragon 888 5G, Adreno 660, 16384
13586 Points ∼90%
Lenovo Legion Phone Duel
Qualcomm Snapdragon 865+ (Plus), Adreno 650, 16384
12355 Points ∼82% -9%
Asus ROG Phone 5
Qualcomm Snapdragon 888 5G, Adreno 660, 16384
15027 Points ∼100% +11%
Samsung Galaxy S21 Ultra
Samsung Exynos 2100 5G, Mali-G78 MP14, 12288
14362 Points ∼96% +6%
Average Qualcomm Snapdragon 888 5G
  (10231 - 15027, n=8)
12213 Points ∼81% -10%
Average of class Smartphone
  (82 - 15299, n=267, last 2 years)
7878 Points ∼52% -42%
3DMark
2560x1440 Sling Shot OpenGL ES 3.0 Unlimited (sort by value)
Lenovo Legion Phone Duel 2
Qualcomm Snapdragon 888 5G, Adreno 660, 16384
11302 Points ∼100%
Asus ROG Phone 5
Qualcomm Snapdragon 888 5G, Adreno 660, 16384
10273 Points ∼91% -9%
Samsung Galaxy S21 Ultra
Samsung Exynos 2100 5G, Mali-G78 MP14, 12288
9245 Points ∼82% -18%
Average Qualcomm Snapdragon 888 5G
  (8562 - 11302, n=8)
10164 Points ∼90% -10%
Average of class Smartphone
  (149 - 11895, n=277, last 2 years)
3947 Points ∼35% -65%
2560x1440 Sling Shot OpenGL ES 3.0 Unlimited Graphics (sort by value)
Lenovo Legion Phone Duel 2
Qualcomm Snapdragon 888 5G, Adreno 660, 16384
16586 Points ∼100%
Asus ROG Phone 5
Qualcomm Snapdragon 888 5G, Adreno 660, 16384
15263 Points ∼92% -8%
Samsung Galaxy S21 Ultra
Samsung Exynos 2100 5G, Mali-G78 MP14, 12288
13273 Points ∼80% -20%
Average Qualcomm Snapdragon 888 5G
  (11227 - 16863, n=8)
15057 Points ∼91% -9%
Average of class Smartphone
  (122 - 22052, n=277, last 2 years)
4982 Points ∼30% -70%
2560x1440 Sling Shot OpenGL ES 3.0 Unlimited Physics (sort by value)
Lenovo Legion Phone Duel 2
Qualcomm Snapdragon 888 5G, Adreno 660, 16384
5344 Points ∼100%
Asus ROG Phone 5
Qualcomm Snapdragon 888 5G, Adreno 660, 16384
4791 Points ∼90% -10%
Samsung Galaxy S21 Ultra
Samsung Exynos 2100 5G, Mali-G78 MP14, 12288
4483 Points ∼84% -16%
Average Qualcomm Snapdragon 888 5G
  (3895 - 5344, n=8)
4781 Points ∼89% -11%
Average of class Smartphone
  (620 - 5784, n=275, last 2 years)
2908 Points ∼54% -46%
2560x1440 Sling Shot Extreme (ES 3.1) Unlimited (sort by value)
Lenovo Legion Phone Duel 2
Qualcomm Snapdragon 888 5G, Adreno 660, 16384
9839 Points ∼100%
Lenovo Legion Phone Duel
Qualcomm Snapdragon 865+ (Plus), Adreno 650, 16384
8780 Points ∼89% -11%
Asus ROG Phone 5
Qualcomm Snapdragon 888 5G, Adreno 660, 16384
9620 Points ∼98% -2%
Samsung Galaxy S21 Ultra
Samsung Exynos 2100 5G, Mali-G78 MP14, 12288
8345 Points ∼85% -15%
Average Qualcomm Snapdragon 888 5G
  (6110 - 9839, n=9)
8882 Points ∼90% -10%
Average of class Smartphone
  (91 - 9839, n=275, last 2 years)
3191 Points ∼32% -68%
2560x1440 Sling Shot Extreme (ES 3.1) Unlimited Graphics (sort by value)
Lenovo Legion Phone Duel 2
Qualcomm Snapdragon 888 5G, Adreno 660, 16384
12914 Points ∼100%
Lenovo Legion Phone Duel
Qualcomm Snapdragon 865+ (Plus), Adreno 650, 16384
10442 Points ∼81% -19%
Asus ROG Phone 5
Qualcomm Snapdragon 888 5G, Adreno 660, 16384
12616 Points ∼98% -2%
Samsung Galaxy S21 Ultra
Samsung Exynos 2100 5G, Mali-G78 MP14, 12288
10794 Points ∼84% -16%
Average Qualcomm Snapdragon 888 5G
  (10037 - 12914, n=9)
11966 Points ∼93% -7%
Average of class Smartphone
  (73 - 12914, n=275, last 2 years)
3565 Points ∼28% -72%
2560x1440 Sling Shot Extreme (ES 3.1) Unlimited Physics (sort by value)
Lenovo Legion Phone Duel 2
Qualcomm Snapdragon 888 5G, Adreno 660, 16384
5366 Points ∼95%
Lenovo Legion Phone Duel
Qualcomm Snapdragon 865+ (Plus), Adreno 650, 16384
5639 Points ∼100% +5%
Asus ROG Phone 5
Qualcomm Snapdragon 888 5G, Adreno 660, 16384
5254 Points ∼93% -2%
Samsung Galaxy S21 Ultra
Samsung Exynos 2100 5G, Mali-G78 MP14, 12288
4651 Points ∼82% -13%
Average Qualcomm Snapdragon 888 5G
  (2579 - 5366, n=9)
4721 Points ∼84% -12%
Average of class Smartphone
  (620 - 5793, n=275, last 2 years)
2959 Points ∼52% -45%
Wild Life Score (sort by value)
Lenovo Legion Phone Duel 2
Qualcomm Snapdragon 888 5G, Adreno 660, 16384
5887 Points ∼100%
Lenovo Legion Phone Duel
Qualcomm Snapdragon 865+ (Plus), Adreno 650, 16384
4244 Points ∼72% -28%
Asus ROG Phone 5
Qualcomm Snapdragon 888 5G, Adreno 660, 16384
5722 Points ∼97% -3%
Samsung Galaxy S21 Ultra
Samsung Exynos 2100 5G, Mali-G78 MP14, 12288
5756 Points ∼98% -2%
Average Qualcomm Snapdragon 888 5G
  (5598 - 5942, n=13)
5760 Points ∼98% -2%
Average of class Smartphone
  (153 - 7275, n=91, last 2 years)
2735 Points ∼46% -54%
Wild Life Unlimited Score (sort by value)
Lenovo Legion Phone Duel 2
Qualcomm Snapdragon 888 5G, Adreno 660, 16384
5876 Points ∼100%
Lenovo Legion Phone Duel
Qualcomm Snapdragon 865+ (Plus), Adreno 650, 16384
4167 Points ∼71% -29%
Asus ROG Phone 5
Qualcomm Snapdragon 888 5G, Adreno 660, 16384
5703 Points ∼97% -3%
Samsung Galaxy S21 Ultra
Samsung Exynos 2100 5G, Mali-G78 MP14, 12288
5873 Points ∼100% 0%
Average Qualcomm Snapdragon 888 5G
  (5578 - 5925, n=13)
5768 Points ∼98% -2%
Average of class Smartphone
  (205 - 8672, n=88, last 2 years)
2941 Points ∼50% -50%
Wild Life Stress Test Stability (sort by value)
Lenovo Legion Phone Duel 2
Qualcomm Snapdragon 888 5G, Adreno 660, 16384
90.4 (5293min - 5852max) % ∼91%
Lenovo Legion Phone Duel
Qualcomm Snapdragon 865+ (Plus), Adreno 650, 16384
99.2 (4210min - 4259max) % ∼100% +10%
Asus ROG Phone 5
Qualcomm Snapdragon 888 5G, Adreno 660, 16384
94.2 (5375min - 5708max) % ∼95% +4%
Asus ROG Phone 5
Qualcomm Snapdragon 888 5G, Adreno 660, 16384
84.1 (4785min - 5690max) % ∼85% -7%
Samsung Galaxy S21 Ultra
Samsung Exynos 2100 5G, Mali-G78 MP14, 12288
64.4 (3633min - 5645max) % ∼65% -29%
Average Qualcomm Snapdragon 888 5G
  (54.7 - 94.2, n=12)
79.6 % ∼80% -12%
Average of class Smartphone
  (26.6 - 99.8, n=80, last 2 years)
89.6 % ∼90% -1%
GFXBench
Aztec Ruins Normal Tier Onscreen (sort by value)
Lenovo Legion Phone Duel 2
Qualcomm Snapdragon 888 5G, Adreno 660, 16384
60 fps ∼91%
Lenovo Legion Phone Duel
Qualcomm Snapdragon 865+ (Plus), Adreno 650, 16384
51 fps ∼77% -15%
Asus ROG Phone 5
Qualcomm Snapdragon 888 5G, Adreno 660, 16384
66 fps ∼100% +10%
Samsung Galaxy S21 Ultra
Samsung Exynos 2100 5G, Mali-G78 MP14, 12288
37 fps ∼56% -38%
Average Qualcomm Snapdragon 888 5G
  (38 - 73, n=13)
56.4 fps ∼85% -6%
Average of class Smartphone
  (1.5 - 73, n=281, last 2 years)
22.2 fps ∼34% -63%
1920x1080 Aztec Ruins Normal Tier Offscreen (sort by value)
Lenovo Legion Phone Duel 2
Qualcomm Snapdragon 888 5G, Adreno 660, 16384
71 fps ∼89%
Lenovo Legion Phone Duel
Qualcomm Snapdragon 865+ (Plus), Adreno 650, 16384
58 fps ∼73% -18%
Asus ROG Phone 5
Qualcomm Snapdragon 888 5G, Adreno 660, 16384
80 fps ∼100% +13%
Samsung Galaxy S21 Ultra
Samsung Exynos 2100 5G, Mali-G78 MP14, 12288
69 fps ∼86% -3%
Average Qualcomm Snapdragon 888 5G
  (57 - 87, n=14)
73.5 fps ∼92% +4%
Average of class Smartphone
  (0.95 - 257, n=280, last 2 years)
25.5 fps ∼32% -64%
Aztec Ruins High Tier Onscreen (sort by value)
Lenovo Legion Phone Duel 2
Qualcomm Snapdragon 888 5G, Adreno 660, 16384
40 fps ∼98%
Lenovo Legion Phone Duel
Qualcomm Snapdragon 865+ (Plus), Adreno 650, 16384
33 fps ∼80% -17%
Asus ROG Phone 5
Qualcomm Snapdragon 888 5G, Adreno 660, 16384
41 fps ∼100% +3%
Samsung Galaxy S21 Ultra
Samsung Exynos 2100 5G, Mali-G78 MP14, 12288
26 fps ∼63% -35%
Average Qualcomm Snapdragon 888 5G
  (25 - 46, n=13)
37.8 fps ∼92% -5%
Average of class Smartphone
  (1.2 - 60, n=281, last 2 years)
14.7 fps ∼36% -63%
2560x1440 Aztec Ruins High Tier Offscreen (sort by value)
Lenovo Legion Phone Duel 2
Qualcomm Snapdragon 888 5G, Adreno 660, 16384
27 fps ∼84%
Lenovo Legion Phone Duel
Qualcomm Snapdragon 865+ (Plus), Adreno 650, 16384
22 fps ∼69% -19%
Asus ROG Phone 5
Qualcomm Snapdragon 888 5G, Adreno 660, 16384
32 fps ∼100% +19%
Samsung Galaxy S21 Ultra
Samsung Exynos 2100 5G, Mali-G78 MP14, 12288
28 fps ∼88% +4%
Average Qualcomm Snapdragon 888 5G
  (26 - 32, n=13)
28.7 fps ∼90% +6%
Average of class Smartphone
  (0.35 - 101, n=280, last 2 years)
10.1 fps ∼32% -63%
Lenovo Legion Phone Duel 2Lenovo Legion Phone DuelAsus ROG Phone 5Samsung Galaxy S21 UltraAverage 512 GB UFS 3.1 FlashAverage of class Smartphone
AndroBench 3-5
-13%
3%
14%
-5%
-56%
Sequential Read 256KB
1999
1710.7
-14%
1778.64
-11%
1710.18
-14%
1807 (1710 - 1999, n=3)
-10%
750 (41.9 - 2037, n=287, last 2 years)
-62%
Sequential Write 256KB
754.3
765
1%
794.64
5%
1077.13
43%
764 (754 - 772, n=3)
1%
327 (11.9 - 1321, n=287, last 2 years)
-57%
Random Read 4KB
262.6
207.7
-21%
291.38
11%
316.7
21%
248 (208 - 274, n=3)
-6%
134 (13.5 - 325, n=287, last 2 years)
-49%
Random Write 4KB
261.5
220.6
-16%
278.05
6%
279.54
7%
254 (221 - 281, n=3)
-3%
120 (4.97 - 330, n=287, last 2 years)
-54%

Temperature

Max. Load
 45.1 °C
113 F
48.8 °C
120 F
42.2 °C
108 F
 
 45.3 °C
114 F
48.8 °C
120 F
42.2 °C
108 F
 
 45 °C
113 F
49.3 °C
121 F
42.5 °C
109 F
 
Maximum: 49.3 °C = 121 F
Average: 45.5 °C = 114 F
41.8 °C
107 F
37.2 °C
99 F
43.8 °C
111 F
40.8 °C
105 F
41.1 °C
106 F
43.5 °C
110 F
40.5 °C
105 F
41.1 °C
106 F
42 °C
108 F
Maximum: 43.8 °C = 111 F
Average: 41.3 °C = 106 F
Power Supply (max.)  38.9 °C = 102 F | Room Temperature 21.2 °C = 70 F | Fluke t3000FC (calibrated), Voltcraft IR-260
(-) The average temperature for the upper side under maximal load is 45.5 °C / 114 F, compared to the average of 32.9 °C / 91 F for the devices in the class Smartphone.
(-) The maximum temperature on the upper side is 49.3 °C / 121 F, compared to the average of 35.2 °C / 95 F, ranging from 22.4 to 52.9 °C for the class Smartphone.
(±) The bottom heats up to a maximum of 43.8 °C / 111 F, compared to the average of 33.8 °C / 93 F
(+) In idle usage, the average temperature for the upper side is 28.5 °C / 83 F, compared to the device average of 32.9 °C / 91 F.


Heatmap back side
Heatmap back side
Heatmap Front
Heatmap Front

Loudspeaker

dB(A) 0102030405060708090Deep BassMiddle BassHigh BassLower RangeMidsHigher MidsLower HighsMid HighsUpper HighsSuper Highs2042.341.62536.538.93131.735.24032.437.2503936.86331.732.78022.137.110021.244.112515.849.316017.553.220014.554.125013.357.331512.460.940012.56450014.3686301773.280022.176.8100020.275.9125014.974.4160014.674.8200014.573.425001571.9315016.871.4400018.369.950001970.9630019.672.5800020.171.61000020.872.41250020.267.91600021.165.9SPL30.384.9N1.264.8median 17median 70.9Delta2.66.135.541.832.635.227.529.130.231.632.330.925.527.617.819.922.623.614.632.113.3431148.39.749.8858.98.66411.269.813.771.515.36817.466.210.370.210.569.810.671.811.272.712.573.514.372.215.2701564.716.16017.361.216.258.516.956.26568.126.182.218.221.50.752.3median 13.7median 64.72.89hearing rangehide median Pink NoiseLenovo Legion Phone Duel 2Lenovo Legion Phone Duel
Frequency diagram (checkboxes can be checked and unchecked to compare devices)
Lenovo Legion Phone Duel 2 audio analysis

(+) | speakers can play relatively loud (84.9 dB)
Bass 100 - 315 Hz
(-) | nearly no bass - on average 17.7% lower than median
(±) | linearity of bass is average (7.4% delta to prev. frequency)
Mids 400 - 2000 Hz
(+) | balanced mids - only 4.1% away from median
(+) | mids are linear (4.7% delta to prev. frequency)
Highs 2 - 16 kHz
(+) | balanced highs - only 0.9% away from median
(+) | highs are linear (2% delta to prev. frequency)
Overall 100 - 16.000 Hz
(+) | overall sound is linear (12.4% difference to median)
Compared to same class
» 0% of all tested devices in this class were better, 0% similar, 100% worse
» The best had a delta of 12%, average was 24%, worst was 65%
Compared to all devices tested
» 8% of all tested devices were better, 2% similar, 90% worse
» The best had a delta of 3%, average was 21%, worst was 65%

Lenovo Legion Phone Duel audio analysis

(+) | speakers can play relatively loud (82.2 dB)
Bass 100 - 315 Hz
(-) | nearly no bass - on average 22.1% lower than median
(±) | linearity of bass is average (12.7% delta to prev. frequency)
Mids 400 - 2000 Hz
(+) | balanced mids - only 4.4% away from median
(+) | mids are linear (5.9% delta to prev. frequency)
Highs 2 - 16 kHz
(±) | higher highs - on average 5.4% higher than median
(+) | highs are linear (4.6% delta to prev. frequency)
Overall 100 - 16.000 Hz
(±) | linearity of overall sound is average (18.7% difference to median)
Compared to same class
» 11% of all tested devices in this class were better, 9% similar, 80% worse
» The best had a delta of 12%, average was 24%, worst was 65%
Compared to all devices tested
» 38% of all tested devices were better, 8% similar, 54% worse
» The best had a delta of 3%, average was 21%, worst was 65%

Battery life

Lenovo Legion Phone Duel 2
5500 mAh
Lenovo Legion Phone Duel
5000 mAh
Asus ROG Phone 5
6000 mAh
Samsung Galaxy S21 Ultra
5000 mAh
Average of class Smartphone
 
Battery Runtime
WiFi Websurfing 1.3
907
851
-6%
754
-17%
702
-23%
898 (425 - 2000, n=295, last 2 years)
-1%
Battery Runtime
NBC WiFi Websurfing Battery Test 1.3
15h 07min

Pros

+ great stereo speakers
+ extremely fast loading times
+ many gaming features
+ 6 assignable buttons
+ very fast and accurate screen
+ a lot of performance
+ good camera quality
+ eye-friendly display

Cons

- slight throttling under full load
- strong case heating
- audible fan
- Display quite dark and not very color accurate
- no wireless charging

Verdict - Great gaming phone

In review: Lenovo Legion Phone Duel 2. Test device provided by Lenovo Germany.
In review: Lenovo Legion Phone Duel 2. Test device provided by Lenovo Germany.

Next to Lenovo's Legion Phone Duel 2, its predecessor almost looks like a prototype, that's how many improvements and further developments there are. The SoC offers much more power, the operating options have been expanded once again, the software is much more up-to-date, the battery runtimes have been improved, and the concept of the predominantly landscape gaming smartphone has been consistently thought further.

But there are also some small setbacks: The screen is no longer as bright and not as color-accurate, but it still offers quite eye-friendly, because high-frequency PWM and even gentler DC dimming on request. The strong heating of the case also worries us.

The Legion Phone Duel 2 is a comprehensively equipped gaming smartphone that is not too expensive and can also convince outside of the gaming features.

The camera still shows high detail sharpness, but is not quite on the level of the best smartphones. The runtimes are decent and the load times are extremely short.

For gamers, the smartphone offers many well-explained additional features, such as gamepad support and no less than 6 freely assignable triggers, which are, however, only touch buttons, which does not necessarily benefit the accuracy.

Overall, the Lenovo Legion Phone Duel 2 is a well priced, comprehensively equipped gaming smartphone. Its looks might make it unsuitable for the conference table, but it offers a lot for gamers.

Price and availability

Starting in May, the Lenovo Legion Phone Duel 2 will initially only be available via Lenovo's website. The prices are 799 Euros for the version with less memory and 999 Euros for the better equipped version. At the time of testing, there is still a promotion with a 100 euro discount.

Lenovo Legion Phone Duel 2 - 04/20/2021 v7
Florian Schmitt

Chassis
86%
Keyboard
70 / 75 → 93%
Pointing Device
96%
Connectivity
57 / 70 → 81%
Weight
87%
Battery
91%
Display
85%
Games Performance
71 / 64 → 100%
Application Performance
88 / 86 → 100%
Temperature
84%
Noise
85%
Audio
85 / 90 → 94%
Camera
77%
Average
82%
87%
Smartphone - Weighted Average

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Florian Schmitt
Editor of the original article: Florian Schmitt - Managing Editor Mobile - 861 articles published on Notebookcheck since 2009
I initially wrote about gaming laptops when I joined Notebookcheck in 2009. I was then involved with the setup of the comparison portal Notebookinfo and worked with social media concepts for large companies like BMW and Adidas, while also returning to work for Notebookcheck in 2012. Nowadays, I focus on smartphones, tablets, and future technologies. Since 2018 I have been Managing Editor for mobile device reviews, working alongside my colleague Daniel Schmidt.
contact me via: @FloSchmi26, LinkedIn, Xing
Ninh Duy
Translator: Ninh Duy - Editorial Assistant - 186603 articles published on Notebookcheck since 2017
My main responsibility as an editorial assistant is maintaining the Library section, which aggregates reviews from other publications and channels. In addition, my daily breakfast is Notebookcheck's long list of new content, which I comb through to select the most interesting topics for translation from English to French, Italian, Spanish, Portuguese, and Dutch."
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> Notebook / Laptop Reviews and News > Reviews > Lenovo Legion Phone Duel 2 smartphone review - Active cooling for fast gaming
Florian Schmitt, 2021-04-21 (Update: 2021-04-21)