Compare phones
| Global Score | |
| 72.2 | 79.2 |
| Basic Information | |
| OnePlus | Xiaomi |
| Android 11, 10 | Android 11, 10, 9.0 Pie |
| 2019-10-18 | 2019-07-24 |
| 6.34 x 2.93 x 0.32 inches | 6.04 x 2.83 x 0.33 inches |
| 6.70 ounces | 6.13 ounces |
| Frosted silver and Glacier blue | Blue, Gray and White |
| Aluminum and Glass (Corning Gorilla Glass 5) | Glass (Corning Gorilla Glass 5) and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 248.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.1 inches |
| 2400 x 1080 pixels | 1560 x 720 pixels |
| Super AMOLED | Super AMOLED |
| 405 pixels per inch | 282 pixels per inch |
| No touch screen | No touch screen |
| 8.2 | 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 + 16.00 MP | 48.00 MP + 32.00 MP |
| f/1.60 aperture | f/1.80 aperture |
| 26.00mm focal length | -- |
| 0.5 inches (1/2") sensor | 0.43 inches (1/2.3") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1280 x 720 (240 fps) (HD) slow motion video |
| 11.99 | 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 | |
| 3800mAh Battery | 4030mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.76 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| -- | 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
Xiaomi Mi A3 is just a bit better than the OnePlus 7T, having a 79.2 score against 72.2. Xiaomi Mi A3's construction is just a little bit thicker but a bit lighter than the OnePlus 7T, and both of them were released only a few months apart. Both phones in our current comparison come with the same Android 11 OS (operating system).
OnePlus 7T has a sharper screen than Xiaomi Mi A3, because it has a bit larger screen, a greater pixels number per screen inch and a lot better resolution of 1080 x 2400 pixels. OnePlus 7T features a little faster CPU than Xiaomi Mi A3, and although they both have the same number of cores, the OnePlus 7T also has 4 GB more RAM.
Xiaomi Mi A3 has a very superior memory capacity to install games and applications than OnePlus 7T, and although they both have the same 128 GB internal memory, the Xiaomi Mi A3 also has an external SD slot that supports a maximum of 256 GB. The Xiaomi Mi A3 features a bit better battery duration than OnePlus 7T, because it has a 4030mAh battery size instead of 3800mAh.
The OnePlus 7T features just a bit better camera than Xiaomi Mi A3, and although they both have the same video quality and a same resolution camera, the OnePlus 7T also has a bigger sensor providing a higher image quality, higher video frame rate and a larger camera aperture to take better photos and video in poorly lited environments.
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