Compare phones
| Global Score | |
| 79.2 | 81 |
| Basic Information | |
| Xiaomi | Xiaomi |
| Android 11, 10, 9.0 Pie | Android 12 |
| 2019-07-24 | -- |
| 6.04 x 2.83 x 0.33 inches | -- |
| 6.13 ounces | -- |
| Blue, Gray and White | Black and White |
| Glass (Corning Gorilla Glass 5) and Plastic | Aluminum and Ceramic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.1 inches | 6.7 inches |
| 1560 x 720 pixels | 3200 x 1440 pixels |
| Super AMOLED | AMOLED |
| 282 pixels per inch | 524 pixels per inch |
| -- | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.3 | 9.7 |
| Performance | |
| Qualcomm Snapdragon 665 chipset | Qualcomm Snapdragon 8+ Gen 1 SM8450 (4 nm) chipset |
| Kryo 260, 64-bit, 11 nm (Octa-Core 2000 MHz) processor | processor |
| 4 GB RAM | 8 GB RAM |
| Adreno 610 GPU | Adreno 730 GPU |
| 9.09 | 6.21 |
| Storage | |
| 128 GB internal memory | 256 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | No SD card slot |
| 13.18 | 13.3 |
| Camera | |
| 48.00 MP + 32.00 MP | 50.00 MP + 20.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| -- | 24.00mm focal length |
| 0.43 inches (1/2.3") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | 1920 x 1080 (1920 fps) (Full HD) slow motion video |
| 11.44 | 12.32 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM | Nano SIM |
| 6.7 | 10.6 |
| Battery Life | |
| 4030mAh Battery | 4800mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.92 | 6.64 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2 |
| 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
Xiaomi 12S Ultra is slightly better than Xiaomi Mi A3, having an 81 score against 79.2. The Xiaomi 12S Ultra is a extremely lighter and notably thinner phone than the Xiaomi Mi A3. Both of these devices include Android operating system, but the Xiaomi 12S Ultra has newer 12 version and Xiaomi Mi A3 has Android 11 version, so it provides a couple nice extra features and optimized performance.
Xiaomi Mi A3 features a much faster CPU than Xiaomi 12S Ultra, although it has a smaller amount of RAM, they both have 8 cores. Xiaomi 12S Ultra has a much better looking display than Xiaomi Mi A3, because it has a quite bigger screen, a lot greater amount of pixels per display inch and a much better resolution of 1440 x 3200px.
The Xiaomi 12S Ultra shoots a bit better pictures and videos than Xiaomi Mi A3, because although it has a smaller aperture, it also counts with a larger sensor capturing higher quality photos and videos, a lot higher video resolution and a back camera with a better 50 mega pixels resolution. The Xiaomi 12S Ultra has a bit more storage capacity to install games and applications than Xiaomi Mi A3, because although it has no slot for an external memory card, it also counts with 256 GB internal memory capacity.
Xiaomi 12S Ultra has greater battery performance than Xiaomi Mi A3, because it has a 19 percent greater battery capacity.
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