Compare phones
| Global Score | |
| 77.8 | 80.1 |
| Basic Information | |
| Xiaomi | Xiaomi |
| Android 11 | Android 15 |
| 2022-03-15 | -- |
| 6.01 x 2.75 x 0.32 inches | -- |
| 6.21 ounces | -- |
| Blue, Grey and Purple | -- |
| Aluminum and Glass | -- |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.3 inches | 6.7 inches |
| 2400 x 1080 pixels | -- |
| AMOLED | AMOLED |
| 418 pixels per inch | -- |
| 1100 cd/m2 brightness | 3000 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.9 | 5 |
| Performance | |
| Qualcomm Snapdragon 870 SM8250-AC (7 nm) chipset | Qualcomm Snapdragon 8 Elite SM8750-AB (4 nm) chipset |
| processor | processor |
| 8 GB RAM | 16 GB RAM |
| Adreno 650 GPU | Adreno 830 GPU |
| 6.21 | 6.3 |
| Storage | |
| 128 GB internal memory | 512 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 17.6 |
| Camera | |
| 50.00 MP + 32.00 MP | 200.00 MP + 32.00 MP |
| f/1.90 aperture | -- |
| 50.00mm focal length | -- |
| 7680 x 4320 (24 fps) video resolution | 7680 x 4320 (30 fps) video resolution |
| 1920 x 1080 (960 fps) (Full HD) slow motion video | 1920 x 1080 (1920 fps) (Full HD) slow motion video |
| 11.88 | 12.87 |
| Networks | |
| Wi-Fi | -- |
| Mobile Hotspot | -- |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM, Dual SIM | Nano SIM |
| 10.6 | 7.6 |
| Battery Life | |
| 4500mAh Battery | 6000mAh Si - Carbon Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.32 | 7.52 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.4 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Xiaomi 15 Ultra (Rumored) has a global score of 80.1, which is slightly better than the Xiaomi 12X's overall score of 77.8. The Xiaomi 15 Ultra (Rumored) is a noticeably thinner and incredibly lighter device than the Xiaomi 12X. Both of these phones have Android OS (operating system), but Xiaomi 15 Ultra (Rumored) has newer 15 version while Xiaomi 12X has Android 11, so it offers a couple additional features.
The Xiaomi 15 Ultra (Rumored) has just a little better hardware performance than Xiaomi 12X, and although they both have the same number of cores, the Xiaomi 15 Ultra (Rumored) also has a greater amount of RAM memory. Xiaomi 12X features a much more vibrant display than Xiaomi 15 Ultra (Rumored), although it has much less brightness and a little bit smaller display.
The Xiaomi 15 Ultra (Rumored) features a slightly better camera than Xiaomi 12X, and although they both have the same 7680x4320 video quality, the Xiaomi 15 Ultra (Rumored) also has a much more MP camera in the back and faster 30 frames per second video frame rate. Xiaomi 15 Ultra (Rumored) has a way bigger memory for applications and games than Xiaomi 12X, because it has 512 GB internal memory.
Xiaomi 15 Ultra (Rumored) has better battery duration than Xiaomi 12X, because it has a 6000mAh battery capacity instead of 4500mAh.
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