Compare phones
| Global Score | |
| 75 | 80.1 |
| Basic Information | |
| Xiaomi | Xiaomi |
| Android 9.0 Pie, 8.1 Oreo, 8.0 Oreo, 7.1 Nougat | Android 15 |
| 2017-09-12 | -- |
| 6.12 x 2.98 x 0.29 inches | -- |
| 5.82 ounces | -- |
| Black, Gold and Pink | -- |
| Metal | -- |
| Display / Screen | |
| 5.5 inches | 6.7 inches |
| 1920 x 1080 pixels (Full HD) | -- |
| IPS LCD | AMOLED |
| 401 pixels per inch | -- |
| 450 cd/m2 brightness | 3000 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.4 | 5 |
| Performance | |
| Qualcomm Snapdragon 625 8953 chipset | Qualcomm Snapdragon 8 Elite SM8750-AB (4 nm) chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 2000 MHz) processor | processor |
| 4 GB RAM | 16 GB RAM |
| Adreno 506 GPU | Adreno 830 GPU |
| 9.09 | 6.3 |
| Storage | |
| 64 GB internal memory | 512 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | No SD card slot |
| 10.78 | 17.6 |
| Camera | |
| 12.00 MP + 5.00 MP | 200.00 MP + 32.00 MP |
| f/2.20 aperture | -- |
| 26.00mm focal length | -- |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (30 fps) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | 1920 x 1080 (1920 fps) (Full HD) slow motion video |
| 9.35 | 12.87 |
| Networks | |
| Wi-Fi | -- |
| Mobile Hotspot | -- |
| LTE (4G), HSPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM | Nano SIM |
| 6.1 | 7.6 |
| Battery Life | |
| 3080mAh Li - Ion Battery | 6000mAh Si - Carbon Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.04 | 7.52 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.4 |
| GPS | GPS |
| -- | NFC |
| Infra-red port | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Xiaomi 15 Ultra (Rumored) is slightly better than Xiaomi Mi A1, getting an 80.1 score against 75. These devices come with Android OS, but Xiaomi 15 Ultra (Rumored) has 15 version and Xiaomi Mi A1 has Android 9.0 Pie. The Xiaomi 15 Ultra (Rumored) is a way thinner and much lighter phone than Xiaomi Mi A1.
The Xiaomi Mi A1 counts with a lot better looking screen than Xiaomi 15 Ultra (Rumored), although it has much less brightness and a little smaller screen. The Xiaomi 15 Ultra (Rumored) has a much bigger storage for games and applications than Xiaomi Mi A1, because although it has no slot for SD memory cards, it also counts with 512 GB internal storage.
The Xiaomi Mi A1 counts with a much faster processing unit than Xiaomi 15 Ultra (Rumored), although it has a smaller amount of RAM, they both have the same number of cores. Xiaomi 15 Ultra (Rumored) counts with a really longer battery lifetime than Xiaomi Mi A1, because it has a 95 percent more battery capacity.
Xiaomi 15 Ultra (Rumored) captures a lot better videos and photos than Xiaomi Mi A1, because it has a lot more megapixels camera in the back and a much higher video definition.
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