Oppo Reno4 Z 5G smartphone Review - 5G phone with good main camera
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Possible competitors in comparison
Bewertung | Rating Version | Datum | Modell | Gewicht | Laufwerk | Groesse | Aufloesung | Preis ab |
---|---|---|---|---|---|---|---|---|
80.7 % v7 (old) | v7 (old) | 01 / 2021 | Oppo Reno4 Z 5G Dimensity 800, Mali-G57 MP4 | 184 g | 128 GB UFS 2.1 Flash | 6.57" | 2400x1080 | |
82.1 % v7 (old) | v7 (old) | 12 / 2020 | Xiaomi Mi 10T Lite 5G SD 750G 5G, Adreno 619 | 215 g | 128 GB UFS 2.1 Flash | 6.67" | 2400x1080 | |
80.1 % v7 (old) | v7 (old) | 12 / 2020 | Samsung Galaxy A42 5G SD 750G 5G, Adreno 619 | 193 g | 128 GB UFS 2.1 Flash | 6.60" | 1600x720 | |
80 % v7 (old) | v7 (old) | 08 / 2020 | Motorola Moto G 5G Plus SD 765, Adreno 620 | 207 g | 64 GB UFS 2.1 Flash | 6.70" | 2520x1080 |
Case, features and operation - A lot of RAM in the Chinese phone
Oppo wants just under 300 Euros for the Reno4 Z 5G. In return, you get a plastic casing that feels good in the hand, and the Reno 4 Z 5G is not that heavy at 184 grams. Ink Black and Dew White are available, whereas Ink Black looks rather bluish. The back refracts the light in many facets and thus looks quite sophisticated. The camera module with the transversely arranged main lenses is extravagant and chic. The casing could be a bit more stable in terms of pressure, but it looks high-quality overall
8 GB of RAM is a statement and almost twice as much as in some comparison devices from the same price range. 128 GB of mass storage is no longer quite unusual, but still a good configuration for just under 300 Euros. However, the storage cannot be expanded via microSD card. NFC is on board, so you can also use mobile payment services. Wi-Fi 5 is also available, but the Reno4 Z 5G only achieves average data rates in our test with the reference router Netgear Nighthawk AX12. 5G is already in the name and the fast mobile standard can also be used with both SIM cards.
The software is based on Android 10 and the security patches were up to date at the time of testing.
A fingerprint sensor is found on the casing's right. Unfortunately, its edges do not quite match the casing, which lowers the quality impression a bit. However, the recognition of stored fingers is very reliable and fast. It is enough to just place the finger on it to unlock the smartphone, even from standby. The 120 Hz display of the Reno4 Z makes operation very smooth.
Networking | |
iperf3 transmit AX12 | |
Motorola Moto G 5G Plus | |
Xiaomi Mi 10T Lite 5G | |
Oppo Reno4 Z 5G | |
Samsung Galaxy A42 5G | |
iperf3 receive AX12 | |
Xiaomi Mi 10T Lite 5G | |
Motorola Moto G 5G Plus | |
Oppo Reno4 Z 5G | |
Samsung Galaxy A42 5G |
Cameras - main camera hui, the rest naja
The Oppo phone has 4 lenses on the back, but only two of them can actually be used for taking pictures, the other two only provide supporting data. The 48-megapixel main camera combines 4 pixels into one by default, resulting in 12-megapixel pictures, but with a higher exposure
The pictures from the main camera actually look quite decent, are sharp and quite detailed. Some blotchy surfaces are noticed in the ambient picture, and individual details also look a bit blurry here, but the result is also good overall. In low light and high contrasts, the camera also shows that it can reproduce the surroundings quite detailed. In real low-light situations in the test lab, the detail level of pictures decreases considerably, and there are slight contrast weaknesses and blurring in optimal lighting. Overall, however, the camera is quite good for the price level
The wide-angle camera on the other hand takes somewhat blurry pictures and is more suitable for snapshots
Videos can be recorded in 4K and 30 fps at most. There are slight color deviations in the moving pictures, which are also not particularly strong in terms of contrast. Otherwise, the recording is on a good level here as well
There are two camera lenses on the front, but only one can be used for photos, the second one is used for portraits to calculate blur. Standard selfies are okay, but the portrait mode has a hard time with fine structures.
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.
Hauptobjektiv BlumeHauptobjektiv UmgebungHauptobjektiv Low LightUltraweitwinkelDisplay - 120 Hz display in the Oppo Reno
The fact that the Reno4 Z 5G has a 120 Hz display is a great thing. In terms of brightness, the IPS screen is on par with the competition, but it also has quite strong color deviations
Our test with the CalMAN software also revealed a slight blue cast.
|
Brightness Distribution: 88 %
Center on Battery: 462 cd/m²
Contrast: 797:1 (Black: 0.58 cd/m²)
ΔE Color 4.83 | 0.5-29.43 Ø4.91
ΔE Greyscale 6.3 | 0.5-98 Ø5.2
98.2% sRGB (Calman 2D)
Gamma: 2.227
Oppo Reno4 Z 5G IPS, 2400x1080, 6.6" | Xiaomi Mi 10T Lite 5G IPS, 2400x1080, 6.7" | Samsung Galaxy A42 5G AMOLED, 1600x720, 6.6" | Motorola Moto G 5G Plus LTPS, 2520x1080, 6.7" | |
---|---|---|---|---|
Response Times | -36% | 68% | 1% | |
Response Time Grey 50% / Grey 80% * | 42 ? | 52 ? -24% | 10 ? 76% | 34 ? 19% |
Response Time Black / White * | 22 ? | 32.4 ? -47% | 9 ? 59% | 26 ? -18% |
PWM Frequency | 2358 ? | 242.7 | ||
Screen | 34% | 26% | 33% | |
Brightness middle | 462 | 606 31% | 466 1% | 461 0% |
Brightness | 439 | 574 31% | 462 5% | 458 4% |
Brightness Distribution | 88 | 89 1% | 85 -3% | 93 6% |
Black Level * | 0.58 | 0.44 24% | 0.52 10% | |
Contrast | 797 | 1377 73% | 887 11% | |
Colorchecker dE 2000 * | 4.83 | 2.4 50% | 2.06 57% | 1.01 79% |
Colorchecker dE 2000 max. * | 8.1 | 5.3 35% | 6.14 24% | 2.1 74% |
Greyscale dE 2000 * | 6.3 | 4.5 29% | 1.8 71% | 1.5 76% |
Gamma | 2.227 99% | 2.21 100% | 2.105 105% | 2.25 98% |
CCT | 7556 86% | 6224 104% | 6444 101% | 6701 97% |
Total Average (Program / Settings) | -1% /
20% | 47% /
36% | 17% /
26% |
* ... smaller is better
Display Response Times
↔ Response Time Black to White | ||
---|---|---|
22 ms ... rise ↗ and fall ↘ combined | ↗ 11 ms rise | |
↘ 11 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 0.1 (minimum) to 240 (maximum) ms. » 44 % of all devices are better. This means that the measured response time is similar to the average of all tested devices (20.9 ms). | ||
↔ Response Time 50% Grey to 80% Grey | ||
42 ms ... rise ↗ and fall ↘ combined | ↗ 23 ms rise | |
↘ 19 ms fall | ||
The screen shows slow response rates in our tests and will be unsatisfactory for gamers. In comparison, all tested devices range from 0.165 (minimum) to 636 (maximum) ms. » 64 % of all devices are better. This means that the measured response time is worse than the average of all tested devices (32.8 ms). |
Screen Flickering / PWM (Pulse-Width Modulation)
Screen flickering / PWM not detected | |||
In comparison: 53 % of all tested devices do not use PWM to dim the display. If PWM was detected, an average of 8705 (minimum: 5 - maximum: 343500) Hz was measured. |
Performance, emissions and battery life - small battery, good runtime
The fairly new MediaTek Dimensity 800 offers four high-performance cores unlike many other mid-range SoCs, but the maximum clock of 2 GHz is a bit lower. The performance is impressive in optimized applications when only two or one core is used, but it is also a bit lower. However, many apps should benefit from this. In any case, the Dimensity 800 is quite fast in the benchmarks and can keep up well with other common SoCs in this price range. The memory is a bit slower than in other devices in this price range, especially when writing.
The case heats up to 46.9 °C under load, which is clearly noticeable. The temperature development can also become unpleasant in high ambient temperatures. The mono speaker on the bottom edge is not a sound miracle, but okay for the price range.
The small 4,000 mAhbattery does not do a bad job and can almost keep up with the Moto G 5G Plus, although the latter has a much stronger battery. 15:03 hours in our WLAN test should be enough for several days of operation without charging. Although the charger is large and heavy, it still only brings a maximum charging power of 18 watts. That is enough for charging times between 1:30 and 2 hours when the device is empty.
PCMark for Android | |
Work performance score (sort by value) | |
Oppo Reno4 Z 5G | |
Xiaomi Mi 10T Lite 5G | |
Motorola Moto G 5G Plus | |
Average MediaTek Dimensity 800 (9674 - 9959, n=2) | |
Work 2.0 performance score (sort by value) | |
Oppo Reno4 Z 5G | |
Xiaomi Mi 10T Lite 5G | |
Samsung Galaxy A42 5G | |
Motorola Moto G 5G Plus | |
Average MediaTek Dimensity 800 (7511 - 8315, n=2) |
GFXBench | |
on screen Aztec Ruins Normal Tier Onscreen (sort by value) | |
Oppo Reno4 Z 5G | |
Xiaomi Mi 10T Lite 5G | |
Samsung Galaxy A42 5G | |
Motorola Moto G 5G Plus | |
Average MediaTek Dimensity 800 (20 - 21, n=2) | |
Average of class Smartphone (3.6 - 247, n=203, last 2 years) | |
1920x1080 Aztec Ruins Normal Tier Offscreen (sort by value) | |
Oppo Reno4 Z 5G | |
Xiaomi Mi 10T Lite 5G | |
Samsung Galaxy A42 5G | |
Motorola Moto G 5G Plus | |
Average MediaTek Dimensity 800 (22 - 22, n=2) | |
Average of class Smartphone (2.3 - 263, n=203, last 2 years) | |
on screen Aztec Ruins High Tier Onscreen (sort by value) | |
Oppo Reno4 Z 5G | |
Xiaomi Mi 10T Lite 5G | |
Samsung Galaxy A42 5G | |
Motorola Moto G 5G Plus | |
Average MediaTek Dimensity 800 (12 - 13, n=2) | |
Average of class Smartphone (0.85 - 144, n=203, last 2 years) | |
2560x1440 Aztec Ruins High Tier Offscreen (sort by value) | |
Oppo Reno4 Z 5G | |
Xiaomi Mi 10T Lite 5G | |
Samsung Galaxy A42 5G | |
Motorola Moto G 5G Plus | |
Average MediaTek Dimensity 800 (8.2 - 8.2, n=2) | |
Average of class Smartphone (0.85 - 112, n=203, last 2 years) |
Oppo Reno4 Z 5G | Xiaomi Mi 10T Lite 5G | Samsung Galaxy A42 5G | Motorola Moto G 5G Plus | Average 128 GB UFS 2.1 Flash | Average of class Smartphone | |
---|---|---|---|---|---|---|
AndroBench 3-5 | 50% | 48% | -3% | 14% | 248% | |
Sequential Read 256KB | 935 | 938 0% | 963 3% | 885 -5% | 760 ? -19% | 1867 ? 100% |
Sequential Write 256KB | 201 | 463.5 131% | 476 137% | 180.2 -10% | 297 ? 48% | 1451 ? 622% |
Random Read 4KB | 125.2 | 176.6 41% | 168.5 35% | 138.1 10% | 152.9 ? 22% | 279 ? 123% |
Random Write 4KB | 125.7 | 162.3 29% | 147.7 18% | 119.3 -5% | 131.6 ? 5% | 311 ? 147% |
Sequential Read 256KB SDCard | 87 ? | 86.3 ? | 87.1 ? | 76 ? | ||
Sequential Write 256KB SDCard | 65.8 ? | 67.7 ? | 65.7 ? | 59.6 ? |
Temperature
(-) The maximum temperature on the upper side is 46.9 °C / 116 F, compared to the average of 35.1 °C / 95 F, ranging from 21.9 to 63.7 °C for the class Smartphone.
(-) The bottom heats up to a maximum of 46.3 °C / 115 F, compared to the average of 33.9 °C / 93 F
(+) In idle usage, the average temperature for the upper side is 28.9 °C / 84 F, compared to the device average of 32.8 °C / 91 F.
Loudspeaker
Oppo Reno4 Z 5G audio analysis
(±) | speaker loudness is average but good (81.3 dB)
Bass 100 - 315 Hz
(-) | nearly no bass - on average 33.2% lower than median
(±) | linearity of bass is average (9.9% delta to prev. frequency)
Mids 400 - 2000 Hz
(+) | balanced mids - only 4.7% away from median
(+) | mids are linear (6.9% delta to prev. frequency)
Highs 2 - 16 kHz
(+) | balanced highs - only 4.2% away from median
(+) | highs are linear (4.4% delta to prev. frequency)
Overall 100 - 16.000 Hz
(±) | linearity of overall sound is average (25.5% difference to median)
Compared to same class
» 60% of all tested devices in this class were better, 7% similar, 33% worse
» The best had a delta of 12%, average was 37%, worst was 134%
Compared to all devices tested
» 76% of all tested devices were better, 5% similar, 19% worse
» The best had a delta of 4%, average was 25%, worst was 134%
Samsung Galaxy A42 5G audio analysis
(+) | speakers can play relatively loud (82.9 dB)
Bass 100 - 315 Hz
(-) | nearly no bass - on average 68.5% lower than median
(+) | bass is linear (0% delta to prev. frequency)
Mids 400 - 2000 Hz
(-) | nearly no mids - on average 68.5% lower than median
(+) | mids are linear (0% delta to prev. frequency)
Highs 2 - 16 kHz
(-) | nearly no highs - on average 68.5% lower than median
(+) | highs are linear (0% delta to prev. frequency)
Overall 100 - 16.000 Hz
(-) | overall sound is not linear (114.9% difference to median)
Compared to same class
» 86% of all tested devices in this class were better, 4% similar, 10% worse
» The best had a delta of 12%, average was 37%, worst was 134%
Compared to all devices tested
» 96% of all tested devices were better, 1% similar, 3% worse
» The best had a delta of 4%, average was 25%, worst was 134%
Battery life
Oppo Reno4 Z 5G 4000 mAh | Xiaomi Mi 10T Lite 5G 4820 mAh | Samsung Galaxy A42 5G 5000 mAh | Motorola Moto G 5G Plus 5000 mAh | Average of class Smartphone | |
---|---|---|---|---|---|
Battery Runtime | |||||
WiFi Websurfing | 903 | 1096 21% | 967 7% | 914 1% | 985 ? 9% |
Pros
Cons
Verdict - Well equipped, but not for everyone
The Oppo Reno 4 Z 5G offers a 120 Hz screen for just under 300 Euros, but it is not too bright and also has some catching up to do in terms of color accuracy. It also has a main camera that can take decent pictures. However, all other camera lenses on the device cannot be used for taking pictures or only deliver mediocre quality. This means that the Oppo Reno4 Z 5G is a good choice if you value a good main camera, but not if you want flexibility.
The battery is relatively low in capacity, which makes the device light and does not affect the runtime that much. It is also not that bad that the charger cannot provide such a high charging power. Oppo has apparently optimized well here.
The Oppo Reno4 Z 5G is a cheap 5G phone with a good main camera.
The performance is also on class level and those who want a physical fingerprint sensor will also get their money's worth here.
The somewhat less resistant casing is a bit annoying, and you can certainly get even faster Wi-Fi in other devices. Thus, it depends on the user's demands whether the Oppo Reno4 Z 5G is a good choice. However, it definitely has some advantages with a lot of working memory and otherwise good equipment.
Oppo Reno4 Z 5G
- 01/02/2021 v7 (old)
Florian Schmitt