Notebookcheck

HP 255 G6 (A6-9220, Radeon R4) Laptop Review

Mike Wobker, Tanja Hinum (translated by Karim Allaoui), 01/19/2018

Slow start. With the 255 G6, HP offers a very affordable entry-level notebook. Using an AMD processor and a replaceable battery, our test device could be given a buying recommendation. However the moderate system performance and cheap production leave much to be desired.

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The HP 255 G6 is designed to combine rugged design with mobility and affordable features. The device can be purchased with different hardware configurations in a price range of 250 to 450 Euros (~$305 to $550). HP gives buyers the choice between AMDs A6-9220-APU with Radeon R4 graphics card and AMD E2-9000e-APU with Radeon R2-graphics card. Both processors are entry-level CPUs for simple applications. Various hard disks, an optional DVD-RW drive and various connection options are intended to appeal to business users too.

Our test device is equipped with an AMD-A6-9220 dual-core CPU and Radeon-R4 graphics card. With 8GB of memory and a 1TB hard drive, there should be enough power available for easy everyday use. With a price of approx. 400 Euros (~$500), our test device must be comparable with notebooks of the same price and performance class. Acers Aspire 3 A315-21-651Y is also equipped with A6-9220 CPU and Radeon R4. This allows a direct comparison of the hardware equipment. To include Intel processors in the evaluation, we also used the HP 250 G5, Lenovo's IdeaPad V110-15IKB and the Asus VivoBook X510UA-BR305T

HP 255 G6 (255 Series)
Processor
Graphics adapter
Memory
8192 MB 
, Single-Channel
Display
15.6 inch 16:9, 1920 x 1080 pixel 141 PPI, Chi Mei CMN15E3, TN LED, glossy: no
Mainboard
AMD CZ FCH
Storage
Toshiba MQ01ABD100, 1000 GB 
, 5400 rpm, 5400 rpm, 885 GB free
Soundcard
Realtek AMD Family 15h Models 60h-6fh - HD Audio Controller
Connections
1 USB 2.0, 2 USB 3.0 / 3.1 Gen1, 1 VGA, 1 HDMI, 1 Kensington Lock, Audio Connections: combined audio port, Card Reader: SD
Networking
Realtek PCIe GBE Family Controller (10/100/1000MBit), Intel Dual Band Wireless-AC 3168 (a/b/g/n/ac), Bluetooth 4.2
Optical drive
HL-DT-ST DVDRAM GUE1N
Size
height x width x depth (in mm): 24 x 380 x 254 ( = 0.94 x 14.96 x 10 in)
Battery
31 Wh Lithium-Ion, removeable, 3 cells, Battery runtime (according to manufacturer): 5 h
Operating System
Microsoft Windows 10 Pro 64 Bit
Camera
Webcam: HP VGA-Kamera, 0.3 MP
Additional features
Speakers: Stereo, HPJumpStart, HP Support Assistant, HP PC Hardware Diagnostics UEFI, HP ePrint, HP System Event Utility, CyberLink Power MediaPlayer, McAfee, 12 Months Warranty
Weight
2.05 kg ( = 72.31 oz / 4.52 pounds), Power Supply: 290 g ( = 10.23 oz / 0.64 pounds)
Price
400 Euro
Note: The manufacturer may use components from different suppliers including display panels, drives or memory sticks with similar specifications.

 

Case & Features

HP uses plastic for the housing. The device makes a stable impression with the surface structure modelled after that of a checker plate. The upper side of the base withstands strong pressure, while the lower side can be pressed in easily. The display is held tightly by the hinges and does not twist when it is opened or closed at only one corner. The transitions between top and bottom are clearly visible at the edges. These are also characterized by uneven gap dimensions.

The case of the 255 G6 will crack and creak occasionally if carried with one hand. The DVD drive sits firmly in the slot, but the cover rattles against the case regularly. HP does not provide any maintenance options for the notebook and we have not been able to open the case easily. The battery alone can be removed during operation and without tools. A spare battery can be purchased from HP for approx. 72 Euros(~$88).

Size comparison

Connection

HP places the connectors in the front area of the left and right side of the unit. The optical drive is located at the back of the right side and is open. A hindrance for right-handed people who want to use an external mouse. For left-handers, the many connections on the left side could become a problem. The degree of annoyance depends on user behaviour.

Left side: Power supply, VGA, Gigabit-LAN, HDMI, 2x USB 3.0, combined audio connection
Left side: Power supply, VGA, Gigabit-LAN, HDMI, 2x USB 3.0, combined audio connection
Right side: SD card reader, 1x USB 2.0, DVD-RW drive, Kensington-Lock
Right side: SD card reader, 1x USB 2.0, DVD-RW drive, Kensington-Lock

The SD card reader transfers data at below average speed. Our test device scores particularly badly in the copy test with the reference card Toshiba Exceria Pro SDXC 64 GB UHS-II. In WLAN mode, it is also limited to one of the lower places. The built-in Intel wireless AC-3168 card supports the fast 802.11 WLAN standard, but cannot fully exploit it with the 1x1 antenna. However, the speeds of both tests are in the usual range of this price range.

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SDCardreader Transfer Speed
average JPG Copy Test (av. of 3 runs)
Acer Aspire 3 A315-21-651Y
  (Toshiba Exceria Pro SDXC 64 GB UHS-II)
59.3 MB/s ∼100% +222%
Asus X510UA-BR305T
  (Toshiba Exceria Pro SDXC 64 GB UHS-II)
26.7 MB/s ∼45% +45%
Lenovo IdeaPad V110-15IKB 80TH001SGE
  (Toshiba Exceria Pro SDXC 64 GB UHS-II)
26.4 MB/s ∼45% +43%
HP 250 G5 Y1V08UT
  (Toshiba Exceria Pro SDXC 64 GB UHS-II)
22.7 MB/s ∼38% +23%
HP 255 G6
  (Toshiba Exceria Pro SDXC 64 GB UHS-II)
18.4 MB/s ∼31%
maximum AS SSD Seq Read Test (1GB)
Acer Aspire 3 A315-21-651Y
  (Toshiba Exceria Pro SDXC 64 GB UHS-II)
77.8 MB/s ∼100% +164%
Asus X510UA-BR305T
  (Toshiba Exceria Pro SDXC 64 GB UHS-II)
38.7 MB/s ∼50% +31%
HP 255 G6
  (Toshiba Exceria Pro SDXC 64 GB UHS-II)
29.5 MB/s ∼38%
Lenovo IdeaPad V110-15IKB 80TH001SGE
  (Toshiba Exceria Pro SDXC 64 GB UHS-II)
27.6 MB/s ∼35% -6%
HP 250 G5 Y1V08UT
  (Toshiba Exceria Pro SDXC 64 GB UHS-II)
26.6 MB/s ∼34% -10%
Networking
iperf3 Client (receive) TCP 1 m 4M x10
Asus X510UA-BR305T
Intel Dual Band Wireless-AC 8265
517 MBit/s ∼100% +178%
Acer Aspire 3 A315-21-651Y
Qualcomm Atheros QCA9377 Wireless Network Adapter
313 MBit/s ∼61% +68%
Lenovo IdeaPad V110-15IKB 80TH001SGE
Realtek 8821AE Wireless LAN 802.11ac PCI-E NIC
287 MBit/s ∼56% +54%
HP 255 G6
Intel Dual Band Wireless-AC 3168
186 MBit/s ∼36%
iperf3 Client (transmit) TCP 1 m 4M x10
Asus X510UA-BR305T
Intel Dual Band Wireless-AC 8265
667 MBit/s ∼100% +156%
Lenovo IdeaPad V110-15IKB 80TH001SGE
Realtek 8821AE Wireless LAN 802.11ac PCI-E NIC
335 MBit/s ∼50% +28%
HP 255 G6
Intel Dual Band Wireless-AC 3168
261 MBit/s ∼39%
Acer Aspire 3 A315-21-651Y
Qualcomm Atheros QCA9377 Wireless Network Adapter
202 MBit/s ∼30% -23%

Input Devices

The 255 G6 offers a pleasant keyboard. Although the keys are a little small, it was no issue during long typing. Above all, we liked the crisp but not too firm pressure point. The HP notebook is less suitable in quiet environments though. Friends of a pleasant typing noise will get their money's worth with the keyboard, but the sound is always present and can be annoying in noise-sensitive environments. The layout of the special keys is not as good. These are very small, but can still be easily reached.

As a mouse replacement, the 255 G6 features a classic touchpad with offset mouse buttons. It reacts precisely to all inputs and reliably detects multi-touch gestures. The mouse buttons make a muffled sound when pressed and seem to lose their hold over time. With our test device, the right mouse button was already a little lower than the left one.

Input Devices
Input Devices

Display

Our test device is equipped with a TN-LED display, which displays contents with a resolution of 1,920 x 1,080 pixels. As an alternative, the 255 G6 is also available with a max. resolution of 1,366 x 768 pixels. Although the maximum brightness is just over 200 cd/m², the screen is one of the better models among our comparators. The mediocre contrast and the uneven illumination are also comparable devices in this price range.

225
cd/m²
213
cd/m²
203
cd/m²
225
cd/m²
226
cd/m²
202
cd/m²
174
cd/m²
183
cd/m²
173
cd/m²
Distribution of brightness
X-Rite i1Pro 2
Maximum: 226 cd/m² Average: 202.7 cd/m² Minimum: 6.4 cd/m²
Brightness Distribution: 77 %
Center on Battery: 135 cd/m²
Contrast: 481:1 (Black: 0.47 cd/m²)
ΔE Color 11.78 | 0.4-29.43 Ø6.2
ΔE Greyscale 12.18 | 0.64-98 Ø6.4
59% sRGB (Argyll 3D) 38% AdobeRGB 1998 (Argyll 3D)
Gamma: 2.13
HP 255 G6
Chi Mei CMN15E3, , 1920x1080, 15.6
Lenovo IdeaPad V110-15IKB 80TH001SGE
Chi Mei N156BGA-EA2, , 1366x768, 15.6
HP 250 G5 Y1V08UT
LG Philips LGD0504, , 1366x768, 15.6
Acer Aspire 3 A315-21-651Y
Chi Mei N156BGA-EA2, , 1366x768, 15.6
Asus X510UA-BR305T
Chi Mei N156BGA-EA3, , 1366x768, 15.6
Response Times
-21%
-34%
-14%
2%
Response Time Grey 50% / Grey 80% *
48 (26, 22)
39 (21, 18)
19%
42.4 (14.8, 27.6)
12%
48 (26, 22)
-0%
49 (28, 21)
-2%
Response Time Black / White *
16 (11, 5)
19 (14, 5)
-19%
28.8 (10.8, 18)
-80%
22 (18, 4)
-38%
14 (12, 4)
12%
PWM Frequency
26320 (80)
10000 (20)
-62%
25000 (20)
-5%
25000 (20)
-5%
Screen
3%
-15%
4%
19%
Brightness middle
226
243
8%
199.8
-12%
223
-1%
226
0%
Brightness
203
233
15%
199
-2%
220
8%
215
6%
Brightness Distribution
77
75
-3%
85
10%
88
14%
90
17%
Black Level *
0.47
0.45
4%
0.712
-51%
0.47
-0%
0.51
-9%
Contrast
481
540
12%
281
-42%
474
-1%
443
-8%
Colorchecker DeltaE2000 *
11.78
11.69
1%
13.24
-12%
10.72
9%
6.21
47%
Colorchecker DeltaE2000 max. *
20.05
20.08
-0%
21.52
-7%
17.7
12%
8.9
56%
Greyscale DeltaE2000 *
12.18
13.12
-8%
13.33
-9%
11.81
3%
7.06
42%
Gamma
2.13 103%
2.24 98%
1.69 130%
2.32 95%
2.35 94%
CCT
13366 49%
16905 38%
15879 41%
13530 48%
8321 78%
Color Space (Percent of AdobeRGB 1998)
38
37
-3%
33.8
-11%
38
0%
Color Space (Percent of sRGB)
59
59
0%
53.4
-9%
59
0%
Total Average (Program / Settings)
-9% / -3%
-25% / -18%
-5% / 0%
11% / 14%

* ... 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
16 ms ... rise ↗ and fall ↘ combined↗ 11 ms rise
↘ 5 ms fall
The screen shows good response rates in our tests, but may be too slow for competitive gamers.
In comparison, all tested devices range from 0.8 (minimum) to 240 (maximum) ms. » 14 % of all devices are better.
This means that the measured response time is better than the average of all tested devices (25.6 ms).
       Response Time 50% Grey to 80% Grey
48 ms ... rise ↗ and fall ↘ combined↗ 26 ms rise
↘ 22 ms fall
The screen shows slow response rates in our tests and will be unsatisfactory for gamers.
In comparison, all tested devices range from 0.9 (minimum) to 636 (maximum) ms. » 77 % of all devices are better.
This means that the measured response time is worse than the average of all tested devices (41 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 26320 Hz ≤ 80 % brightness setting

The display backlight flickers at 26320 Hz (Likely utilizing PWM) Flickering detected at a brightness setting of 80 % and below. There should be no flickering or PWM above this brightness setting.

The frequency of 26320 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 9297 (minimum: 43 - maximum: 142900) Hz was measured.

Our measurements show an increased black level and a low color space coverage. As a result, the colours appear somewhat pale and black tones have a grey haze. Our subjective impression confirms the measurement results. The TN-LED display is characterized only by a mediocre viewing angle stability. However, only at strong angles from above and below, color changes occur. Viewed from the left and right, screen contents remain relatively unaltered. Due to its low brightness, the 255 G6 is only partially suitable for outdoor use. In cloudy weather, screen contents can barely be seen outdoors.

CalMAN - Grayscales
CalMAN - Grayscales
CalMAN - Saturation
CalMAN - Saturation
CalMAN - Color accuracy
CalMAN - Color accuracy
Outdoor use
Outdoor use
Screenbleeding
Screenbleeding
Viewing angle stability
Viewing angle stability

Performance

The configuration of our test device is in the upper range of possible configurations of the 255 G6 from HP. With this device, more power is only possible with an SSD. The entire concept is aimed at users who are looking for a lightweight mobile device with sufficient performance for simple office tasks. The AMD-A6-9220-CPU with Radeon-R4 graphics card is suitable for this area of application. The 1 TB hard disk and 8 GB of memory complete the hardware.

Processor

The built-in AMD processor is an A6-9220-APU suitable for simple tasks. The two CPU cores were clocked at 2.5 to 2.9 GHz, consuming 15 Watts of power. The A6-9220 is therefore suitable for light and mobile notebooks. Memory can only be accessed in single-channel mode. Compared to the Acer Aspire 3 A315-21-651Y, the performance of the 255 G6 is slightly below expectations.

 
0102030405060708090100110Tooltip
Cinebench R15 CPU Multi 64 Bit

The Cinebench durability test also shows that there is a recurring performance drop. This is also noticeable in daily operation due to longer loading times and a stagnant system.

Cinebench R15
CPU Single 64Bit
Asus X510UA-BR305T
Intel Core i3-7100U
100 Points ∼46% +47%
Lenovo IdeaPad V110-15IKB 80TH001SGE
Intel Pentium Gold 4415U
95 Points ∼44% +40%
Acer Aspire 3 A315-21-651Y
AMD A6-9220
69 Points ∼32% +1%
HP 255 G6
AMD A6-9220
68 Points ∼31%
HP 250 G5 Y1V08UT
Intel Celeron N3060
37 Points ∼17% -46%
CPU Multi 64Bit
Asus X510UA-BR305T
Intel Core i3-7100U
260 Points ∼6% +139%
Lenovo IdeaPad V110-15IKB 80TH001SGE
Intel Pentium Gold 4415U
241 Points ∼6% +121%
Acer Aspire 3 A315-21-651Y
AMD A6-9220
114 Points ∼3% +5%
HP 255 G6
AMD A6-9220
109 Points ∼2%
HP 250 G5 Y1V08UT
Intel Celeron N3060
68 Points ∼2% -38%
Cinebench R15 CPU Single 64Bit
68 Points
Cinebench R15 CPU Multi 64Bit
109 Points
Cinebench R15 OpenGL 64Bit
19.76 fps
Cinebench R15 Ref. Match 64Bit
98 %
Help

System Performance

With our system performance benchmark, the 255 G6 can place itself ahead of Acer's direct competitor Aspire 3 A315-21-651Y. The performance is nevertheless only at entry-level. The work with our test device is interrupted by occasionally stagnating programs. Windows does not run smoothly either but with an SSD, the system is most likely to run much more smoothly.

PCMark 8 - Home Score Accelerated v2
Asus X510UA-BR305T
HD Graphics 620, 7100U, Seagate Mobile HDD 1TB ST1000LM035
3313 Points ∼54% +31%
Lenovo IdeaPad V110-15IKB 80TH001SGE
HD Graphics 610, 4415U, Ramxel S121 RTNRB256RFM4KWDL
3230 Points ∼53% +28%
HP 255 G6
Radeon R4 (Stoney Ridge), A6-9220, Toshiba MQ01ABD100
2520 Points ∼41%
Acer Aspire 3 A315-21-651Y
Radeon R4 (Stoney Ridge), A6-9220, Kingston RBUSNS8180DS3128GH
2337 Points ∼38% -7%
HP 250 G5 Y1V08UT
HD Graphics 400 (Braswell), N3060, Samsung CM871 MZNLF128HCHP
1661 Points ∼27% -34%
PCMark 8 Home Score Accelerated v2
2520 points
Help

Storage

In the 255 G6, HP uses a Toshiba-MQ01ABD100-HDD with 1 TB of memory. At 5,200 rpm, this is considerably slower than comparable devices with SSD. Compared to the Asus X510UA with HDD, our test device still has a head start over the Asus X510UA and performance is sufficient in everyday work. Occasional waiting times due to loading programs must be accepted, but are not unbearable.

HP 255 G6
Toshiba MQ01ABD100
Lenovo IdeaPad V110-15IKB 80TH001SGE
Ramxel S121 RTNRB256RFM4KWDL
HP 250 G5 Y1V08UT
Samsung CM871 MZNLF128HCHP
Asus X510UA-BR305T
Seagate Mobile HDD 1TB ST1000LM035
CrystalDiskMark 3.0
9210%
2777%
-10%
Write 4k QD32
0.952
257.3
26927%
31.08
3165%
0.967
2%
Read 4k QD32
0.881
283.7
32102%
94.55
10632%
1.047
19%
Write 4k
0.984
71.93
7210%
31.52
3103%
0.438
-55%
Read 4k
0.429
24.15
5529%
17.21
3912%
0.326
-24%
Write 512
44.97
282.3
528%
134.7
200%
61.74
37%
Read 512
36.65
356.3
872%
338.1
823%
29.55
-19%
Write Seq
102.8
284.2
176%
139.2
35%
84.21
-18%
Read Seq
109.2
477.4
337%
484.4
344%
89.38
-18%
Toshiba MQ01ABD100
Transfer Rate Minimum: 50.7 MB/s
Transfer Rate Maximum: 113.5 MB/s
Transfer Rate Average: 87.9 MB/s
Access Time: 18.3 ms
Burst Rate: 241.1 MB/s
CPU Usage: 10.6 %

GPU

The Radeon R4 is an integrated graphics card in the AMD Stoney Ridge APU's of the A6 and E2 series. It is suitable for simple graphical applications and can also display older games at medium settings. Our test device reaches the expected values in the 3DMark 11 benchmark and places itself in the upper field of competitors.

3DMark 11 - 1280x720 Performance GPU
Asus X510UA-BR305T
Intel HD Graphics 620, Intel Core i3-7100U
1363 Points ∼3% +38%
HP 255 G6
AMD Radeon R4 (Stoney Ridge), AMD A6-9220
989 Points ∼2%
Acer Aspire 3 A315-21-651Y
AMD Radeon R4 (Stoney Ridge), AMD A6-9220
956 Points ∼2% -3%
Lenovo IdeaPad V110-15IKB 80TH001SGE
Intel HD Graphics 610, Intel Pentium Gold 4415U
880 Points ∼2% -11%
HP 250 G5 Y1V08UT
Intel HD Graphics 400 (Braswell), Intel Celeron N3060
382 Points ∼1% -61%
3DMark 11 Performance
1023 points
Help

Gaming Performance

As already mentioned, the GPU in the 255 G6 is not suitable for demanding games. However, the Radeon R4 can still display older titles on medium settings. Our device is not able to display games with 1,366 x 768 pixels during our test. We use this resolution for medium and high graphic settings. According to the benchmark program, this resolution is not allowed because it is not supported by the display. However, the values we were able to measure confirm our expectations of the hardware equipment. The five-year-old Bioshock Infinite runs very smoothly on low settings. This should also be possible for games of similar age.

The games that run smoothly with the Radeon R4 can be found on our games benchmark page

low med. high ultra
BioShock Infinite (2013) 43.016.15fps

Emissionen & Energie

System Noise

The test device emits noises even when idling. Either the hard drive or the fan is audible. The sounds are by no means loud and intrusive, but always noticeable. All this is overshadowed by the sound of the keyboard. On the other hand, the device doesn't get much louder under load. This is not particularly noticeable in environments with background sounds, such as road noise. This 255 G6 is less suitable for very quiet areas only.

Noise Level

Idle
32.7 / 32.7 / 33 dB(A)
DVD
36.8 / dB(A)
Load
32.8 / 35 dB(A)
  red to green bar
 
 
30 dB
silent
40 dB(A)
audible
50 dB(A)
loud
 
min: dark, med: mid, max: light   Audix TM1, Arta (15 cm distance)   environment noise: 31 dB(A)
dB(A) 0102030405060708090Deep BassMiddle BassHigh BassLower RangeMidsHigher MidsLower HighsMid HighsUpper HighsSuper Highs2037.439.137.440.637.42534.538.635.536.134.53131.53334.434.131.54033.433.233.132.533.45032.732.732.432.532.76331.83231.631.931.88031.930.329.829.131.910030.929.428.429.430.91252826.727.626.42816027.127.127.52627.120026.825.825.825.326.825026.224.924.32426.2315252423.823.42540023.923.622.723.123.950023.122.522.321.923.163023.722.5232123.780026.523.524.620.126.5100026.722.42319.726.7125024.521.521.119.624.5160024.92120.918.824.9200022.519.819.718.522.5250020.619.319.118.320.6315020.519.119.118.620.5400020.318.919.718.320.350001918.718.718.419630018.818.618.518.518.8800018.818.718.518.418.81000018.718.618.518.418.71250018.618.418.618.218.61600018.618.518.618.518.6SPL3532.93331.635N2.31.91.91.72.3median 23.7median 21.5median 21.1median 19.6median 23.7Delta3.52.92.92.63.5hearing rangehide median Fan NoiseHP 255 G6

Temperature

Our 255 G6 remains pleasingly cool in any situation. During our stress test, the surface of our test device barely heats up noticeably. It looks a little different on the inside. Our stress test scenario increases the core temperature to almost 70 °C, which causes the clock frequency to fall far below the base rate. Instead of at least 2.5 GHz, the CPU only clocks at 1.3 GHz. However, since this load is unlikely to occur in everyday life, the 255 G6 is not expected to experience a drop in performance due to excessively high temperatures.

Max. Load
 32.6 °C
91 F
28.9 °C
84 F
24.6 °C
76 F
 
 32.3 °C
90 F
29.4 °C
85 F
24.6 °C
76 F
 
 30.2 °C
86 F
31 °C
88 F
27.4 °C
81 F
 
Maximum: 32.6 °C = 91 F
Average: 29 °C = 84 F
23.6 °C
74 F
25.5 °C
78 F
34.3 °C
94 F
25.1 °C
77 F
26.5 °C
80 F
36.5 °C
98 F
26.3 °C
79 F
25.1 °C
77 F
30.5 °C
87 F
Maximum: 36.5 °C = 98 F
Average: 28.2 °C = 83 F
Power Supply (max.)  41.5 °C = 107 F | Room Temperature 22.1 °C = 72 F | FIRT 550-Pocket
(+) The average temperature for the upper side under maximal load is 29 °C / 84 F, compared to the average of 29.4 °C / 85 F for the devices in the class Office.
(+) The maximum temperature on the upper side is 32.6 °C / 91 F, compared to the average of 33.9 °C / 93 F, ranging from 21.2 to 62.5 °C for the class Office.
(+) The bottom heats up to a maximum of 36.5 °C / 98 F, compared to the average of 36.3 °C / 97 F
(+) In idle usage, the average temperature for the upper side is 25.1 °C / 77 F, compared to the device average of 29.4 °C / 85 F.
(+) The palmrests and touchpad are cooler than skin temperature with a maximum of 31 °C / 87.8 F and are therefore cool to the touch.
(-) The average temperature of the palmrest area of similar devices was 28.2 °C / 82.8 F (-2.8 °C / -5 F).
Thermal image in idle - top side
Thermal image in idle - top side
Heat image in idle - bottom side
Heat image in idle - bottom side
Heat image under load - top side
Heat image under load - top side
Heat image under load - bottom side
Heat image under load - bottom side

Speakers

Our subjective impression of the 255 G6 speakers is excellent. TV Series, music and speech are pleasantly balanced. The measurements confirm this impression. The maximum volume is not particularly high, but the tones do not drop too much. Even basses are preserved up to a certain point. Other devices in this price range deliver significantly less volume and have a more unbalanced sound.

dB(A) 0102030405060708090Deep BassMiddle BassHigh BassLower RangeMidsHigher MidsLower HighsMid HighsUpper HighsSuper Highs2039.640.639.62539.936.139.93138.434.138.44040.232.540.25039.432.539.46340.631.940.68041.729.141.710043.229.443.212542.726.442.716045.62645.620051.925.351.925058.32458.331559.523.459.540056.923.156.950056.221.956.263059.52159.580065.120.165.1100069.819.769.8125068.719.668.716006618.866200065.218.565.2250067.218.367.2315068.318.668.3400067.418.367.4500060.918.460.9630063.618.563.6800066.118.466.11000067.918.467.91250071.518.271.51600065.818.565.8SPL78.631.678.6N43.81.743.8median 65.1median 19.6median 65.1Delta5.12.65.135.335.132.931.831.83236.535.132.428.93328.936.328.848.32761.52752.924.860.92462.822.763.32269.521.267.82174.82075.919.472.718.97117.770.117.86917.671.817.668.117.671.417.673.717.670.417.571.617.671.617.669.617.459.717.583.630.662.51.5median 69.6median 17.84.62.4hearing rangehide median Pink NoiseHP 255 G6Apple MacBook 12 (Early 2016) 1.1 GHz
HP 255 G6 audio analysis

(-) | not very loud speakers (71.49 dB)
Bass 100 - 315 Hz
(±) | reduced bass - on average 14.9% lower than median
(+) | bass is linear (6.9% delta to prev. frequency)
Mids 400 - 2000 Hz
(+) | balanced mids - only 4% away from median
(+) | mids are linear (5.9% delta to prev. frequency)
Highs 2 - 16 kHz
(+) | balanced highs - only 2.5% away from median
(+) | highs are linear (5.5% delta to prev. frequency)
Overall 100 - 16.000 Hz
(+) | overall sound is linear (13.9% difference to median)
Compared to same class
» 8% of all tested devices in this class were better, 4% similar, 88% worse
» The best had a delta of 8%, average was 21%, worst was 51%
Compared to all devices tested
» 12% of all tested devices were better, 3% similar, 85% worse
» The best had a delta of 3%, average was 21%, worst was 53%

Apple MacBook 12 (Early 2016) 1.1 GHz audio analysis

(+) | speakers can play relatively loud (83.6 dB)
Bass 100 - 315 Hz
(±) | reduced bass - on average 11.3% lower than median
(±) | linearity of bass is average (14.2% delta to prev. frequency)
Mids 400 - 2000 Hz
(+) | balanced mids - only 2.4% away from median
(+) | mids are linear (5.5% delta to prev. frequency)
Highs 2 - 16 kHz
(+) | balanced highs - only 2% away from median
(+) | highs are linear (4.5% delta to prev. frequency)
Overall 100 - 16.000 Hz
(+) | overall sound is linear (9.3% difference to median)
Compared to same class
» 2% of all tested devices in this class were better, 2% similar, 97% worse
» The best had a delta of 8%, average was 20%, worst was 50%
Compared to all devices tested
» 2% of all tested devices were better, 1% similar, 98% worse
» The best had a delta of 3%, average was 21%, worst was 53%

Frequency diagram in comparison (checkboxes can be turned on/off!)

Power Consumption

The power consumption of the 255 G6 is in the usual range of comparable devices. Our test device is very economical and does not consume more than 25 watts under load. Competitors with Intel Pentium or Celeron processors reach similar values here. The 25-watt power supply unit is large enough to provide the 255 G6 with enough power.

Power Consumption
Off / Standbydarklight 0.33 / 0.44 Watt
Idledarkmidlight 5.6 / 8.7 / 9.4 Watt
Load midlight 21.1 / 24.6 Watt
 color bar
Key: min: dark, med: mid, max: light        Metrahit Energy

Battery Life

We are disappointed with our test device's below-average battery life. After two and a half hours, the power reserves are exhausted and the 255 G6 must be connected to the grid. Many inexpensive devices last at least one hour longer. However, the 255 G6's battery can be removed without tools. A second battery can be purchased from HP for about 72 Euros(~$88).

Battery Runtime - WiFi Websurfing 1.3
Asus X510UA-BR305T
7100U, HD Graphics 620, 42 Wh
425 min ∼16% +185%
HP 250 G5 Y1V08UT
N3060, HD Graphics 400 (Braswell), 41 Wh
376 min ∼14% +152%
Acer Aspire 3 A315-21-651Y
A6-9220, Radeon R4 (Stoney Ridge), 37 Wh
243 min ∼9% +63%
Lenovo IdeaPad V110-15IKB 80TH001SGE
4415U, HD Graphics 610, 32 Wh
233 min ∼9% +56%
HP 255 G6
A6-9220, Radeon R4 (Stoney Ridge), 31 Wh
149 min ∼6%
Battery Runtime
NBC WiFi Websurfing Battery Test 1.3
2h 29min

Pros

+ good keyboard
+ good speakers
+ replaceable battery

Cons

- slow harddrive
- no maintenance options
- moderate system performance

Verdict

The HP 255 G6 was provided by: cyberport
The HP 255 G6 was provided by: cyberport

Our test demonstrates the 255 G6 as a notebook with strengths and weaknesses. The good sound and average system performance is contrasted with slow mass storage and lack of support for certain screen resolutions. The 255 G6 should not be purchased In a lower configuration than that of our test device. 

HP's 255 G6 is a solid notebook for simple tasks. However, a long battery life should not be expected.

With the 255 G6, HP offers a simple and solid notebook. The device is well suited for office activities and simple games, but the battery life is way too short for a mobile business device. Because simple games can also be played, the application possibilities for our test device are versatile, as long as the demands of the user remain limited.

HP 255 G6 - 01/04/2018 v6
Mike Wobker

Chassis
59 / 98 → 60%
Keyboard
74%
Pointing Device
61%
Connectivity
43 / 80 → 54%
Weight
63 / 20-67 → 91%
Battery
66%
Display
74%
Games Performance
53 / 68 → 79%
Application Performance
56 / 92 → 61%
Temperature
95%
Noise
89%
Audio
63%
Camera
29 / 85 → 34%
Average
63%
72%
Office - Weighted Average

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> Notebook / Laptop Reviews and News > Reviews > HP 255 G6 (A6-9220, Radeon R4) Laptop Review
Mike Wobker, 2018-01-19 (Update: 2018-01-19)