Compare phones
| Global Score | |
| 71.9 | 79.2 |
| Basic Information | |
| Xiaomi | |
| Android 9.0 Pie | Android 11, 10, 9.0 Pie |
| 2019-10-14 | 2019-07-24 |
| 6.25 x 2.96 x 0.35 inches | 6.04 x 2.83 x 0.33 inches |
| 6.56 ounces | 6.13 ounces |
| Diamond black and Twilight blue | Blue, Gray and White |
| Glass (Corning Gorilla Glass 5) and Metal | Glass (Corning Gorilla Glass 5) and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 549.00 | -- |
| Display / Screen | |
| 6.4 inches | 6.1 inches |
| 2340 x 1080 pixels | 1560 x 720 pixels |
| AMOLED | Super AMOLED |
| 403 pixels per inch | 282 pixels per inch |
| 430 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 855+ SM8150-AC chipset | Qualcomm Snapdragon 665 chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2960 MHz) processor | Kryo 260, 64-bit, 11 nm (Octa-Core 2000 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Adreno 640 GPU | Adreno 610 GPU |
| 9.72 | 9.09 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 256 GB) external memory slot |
| 10.1 | 13.18 |
| Camera | |
| 48.00 MP | 48.00 MP + 32.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 26.00mm focal length | -- |
| 0.5 inches (1/2") sensor | 0.43 inches (1/2.3") sensor |
| 7680 x 4320 (15 fps) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 3840 x 2160 (60 fps) (4K) slow motion video | 1280 x 720 (240 fps) (HD) slow motion video |
| 11.22 | 11.44 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 4000mAh Battery | 4030mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 5.92 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.0 |
| GPS | GPS |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Xiaomi Mi A3 is better than nubia Z20, with a general score of 79.2 against 71.9. Even though the Xiaomi Mi A3 and nubia Z20 were released only a couple of months apart, the Xiaomi Mi A3 is a bit thinner and a little lighter. These devices use Android OS (operating system), but the Xiaomi Mi A3 has the older 11 version and nubia Z20 has Android 9.0 Pie version.
The nubia Z20 features a brighter screen than Xiaomi Mi A3, because it has a little bit bigger screen, a higher pixels density and a lot better 1080 x 2340 resolution. Nubia Z20 features a bit better processor than Xiaomi Mi A3, and although they both have a Octa-Core processing unit, the nubia Z20 also has more RAM memory.
The Xiaomi Mi A3 has a much greater memory capacity to install games and applications than nubia Z20, and although they both have exactly the same 128 GB internal storage, the Xiaomi Mi A3 also has a SD card slot that admits a maximum of 256 GB. The Xiaomi Mi A3 features just a bit better camera than nubia Z20, because although it has a smaller aperture which is worse for low light photos and videos and a smaller back camera sensor giving a worse image quality, and they both have the same (4K) video resolution and a 48 MP resolution back-facing camera, the Xiaomi Mi A3 also counts with higher video frame rate.
Xiaomi Mi A3 counts with a battery lifetime that's just as good as nubia Z20's battery duration, although the Xiaomi Mi A3 also has a 4030mAh battery capacity.
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