Compare phones
| Global Score | |
| 80.1 | 77.8 |
| Basic Information | |
| Xiaomi | Xiaomi |
| Android 15 | Android 11 |
| -- | 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 | |
| 6.7 inches | 6.3 inches |
| -- | 2400 x 1080 pixels |
| AMOLED | AMOLED |
| -- | 418 pixels per inch |
| 3000 cd/m2 brightness | 1100 cd/m2 brightness |
| No touch screen | No touch screen |
| 5 | 8.9 |
| Performance | |
| Qualcomm Snapdragon 8 Elite SM8750-AB (4 nm) chipset | Qualcomm Snapdragon 870 SM8250-AC (7 nm) chipset |
| processor | processor |
| 16 GB RAM | 8 GB RAM |
| Adreno 830 GPU | Adreno 650 GPU |
| 6.3 | 6.21 |
| Storage | |
| 512 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 17.6 | 10.1 |
| Camera | |
| 200.00 MP + 32.00 MP | 50.00 MP + 32.00 MP |
| -- | f/1.90 aperture |
| -- | 50.00mm focal length |
| 7680 x 4320 (30 fps) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1920 x 1080 (1920 fps) (Full HD) slow motion video | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 12.87 | 11.88 |
| 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 | Nano SIM, Dual SIM |
| 7.6 | 10.6 |
| Battery Life | |
| 6000mAh Si - Carbon Battery | 4500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 7.52 | 6.32 |
| Other Features | |
| Bluetooth 5.4 | Bluetooth 5.1 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
The Xiaomi 15 Ultra (Rumored) has a general score of 80.1, which is slightly better than the Xiaomi 12X's global score of 77.8. Both phones we are comparing here include Android OS (operating system), but Xiaomi 15 Ultra (Rumored) has newer 15 version and Xiaomi 12X has Android 11, offering lots of additional features. The Xiaomi 15 Ultra (Rumored) is a way thinner and noticeably lighter cellphone than Xiaomi 12X.
Xiaomi 12X counts with an incredibly better display than Xiaomi 15 Ultra (Rumored), although it has a little smaller screen and much lower brightness. The Xiaomi 15 Ultra (Rumored) has a little bit better performance than Xiaomi 12X, and although they both have 8 processing cores, the Xiaomi 15 Ultra (Rumored) also has a larger amount of RAM.
Xiaomi 15 Ultra (Rumored) counts with a way bigger memory to store more apps and games than Xiaomi 12X, because it has 512 GB internal storage. Xiaomi 15 Ultra (Rumored) has superior battery lifetime than Xiaomi 12X, because it has a 6000mAh battery capacity against 4500mAh. The Xiaomi 15 Ultra (Rumored) captures a bit better photos and videos than Xiaomi 12X, and although they both have the same 7680x4320 video resolution, the Xiaomi 15 Ultra (Rumored) also has higher 30 fps video frame rate and a lot higher 200 megapixels resolution camera in the back.
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