Compare phones
| Global Score | |
| 75 | 81 |
| Basic Information | |
| Xiaomi | Xiaomi |
| Android 9.0 Pie, 8.1 Oreo, 8.0 Oreo, 7.1 Nougat | Android 12 |
| 2017-09-12 | -- |
| 6.12 x 2.98 x 0.29 inches | -- |
| 5.82 ounces | -- |
| Black, Gold and Pink | Black and White |
| Metal | Aluminum and Ceramic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 5.5 inches | 6.7 inches |
| 1920 x 1080 pixels (Full HD) | 3200 x 1440 pixels |
| IPS LCD | AMOLED |
| 401 pixels per inch | 524 pixels per inch |
| 450 cd/m2 brightness | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.4 | 9.7 |
| Performance | |
| Qualcomm Snapdragon 625 8953 chipset | Qualcomm Snapdragon 8+ Gen 1 SM8450 (4 nm) chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 2000 MHz) processor | processor |
| 4 GB RAM | 8 GB RAM |
| Adreno 506 GPU | Adreno 730 GPU |
| 9.09 | 6.21 |
| Storage | |
| 64 GB internal memory | 256 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | No SD card slot |
| 10.78 | 13.3 |
| Camera | |
| 12.00 MP + 5.00 MP | 50.00 MP + 20.00 MP |
| f/2.20 aperture | f/2.00 aperture |
| 26.00mm focal length | 24.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | 1920 x 1080 (1920 fps) (Full HD) slow motion video |
| 9.35 | 12.32 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM | Nano SIM |
| 6.1 | 10.6 |
| Battery Life | |
| 3080mAh Li - Ion Battery | 4800mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.04 | 6.64 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.2 |
| GPS | GPS |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Xiaomi 12S Ultra is a bit better than the Xiaomi Mi A1, with an 81 score against 75. The Xiaomi 12S Ultra construction is extremely lighter and notably thinner than the Xiaomi Mi A1. Both of these phones have Android OS (operating system), but Xiaomi 12S Ultra has older 12 version and Xiaomi Mi A1 has Android 9.0 Pie.
Xiaomi 12S Ultra has a much better looking screen than Xiaomi Mi A1, because it has much more brightness, a larger display, a much better resolution of 1440 x 3200 and a greater count of pixels per display inch. Xiaomi Mi A1 has a much better hardware performance than Xiaomi 12S Ultra, although it has 4 GB lesser RAM, they both have the same number of cores.
Xiaomi 12S Ultra has a much better memory to install games and applications than Xiaomi Mi A1, because although it has no slot for external memory cards, it also counts with 256 GB internal memory capacity. The Xiaomi 12S Ultra counts with a much better camera than Xiaomi Mi A1, because it has a camera with a way higher resolution, a larger aperture and a much better 7680x4320 video resolution.
Xiaomi 12S Ultra has a superior battery life than Xiaomi Mi A1, because it has a 56% greater battery capacity.
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