Compare phones
| Global Score | |
| 89 | 79.2 |
| Basic Information | |
| Xiaomi | Motorola |
| Android 11 | Android 15 |
| 2021-08-10 | 2025-04-24 |
| 6.40 x 2.97 x 0.31 inches | -- |
| 7.94 ounces | 7.02 ounces |
| Ceramic Black, Ceramic White and Shadow Gray | -- |
| Aluminum and Ceramic | -- |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.7 inches | 7 inches |
| 2400 x 1080 pixels | -- |
| AMOLED | LTPO |
| 393 pixels per inch | -- |
| -- | 4500 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 5.5 |
| Performance | |
| Qualcomm Snapdragon 888+ SM8350-AC chipset | Qualcomm Snapdragon 8 Elite SM8750-AB (3 nm) chipset |
| Kryo 680 Prime, 64-bit, 5 nm (Octa-Core 3000 MHz) processor | processor |
| 8 GB RAM | 16 GB RAM |
| Adreno 660 GPU | Adreno 830 GPU |
| 9.72 | 6.3 |
| Storage | |
| 128 GB internal memory | 512 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 17.6 |
| Camera | |
| 108.00 MP + 20.00 MP | 50.00 MP + 50.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 24.00mm focal length | -- |
| 0.75 inches (1/1.33") sensor | -- |
| 7680 x 4320 (24 fps) video resolution | 7680 x 4320 (30 fps) video resolution |
| 1920 x 1080 (480 fps) (Full HD) slow motion video | 3840 x 2160 (60 fps) (4K) slow motion video |
| 13.75 | 11.99 |
| 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 Li - Ion Battery | 4700mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 6.32 | 6.56 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.4 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
The Xiaomi Mi Mix 4 is much better than the Motorola Razr Ultra (2025), getting an 89 score against 79.2. These devices include Android OS, but the Xiaomi Mi Mix 4 has older 11 version while Motorola Razr Ultra (2025) has Android 15. Xiaomi Mi Mix 4 counts with a much better looking screen than Motorola Razr Ultra (2025), although it has a quite smaller display.
Motorola Razr Ultra (2025) has a much bigger storage capacity to install applications and games or saving photos and videos than Xiaomi Mi Mix 4, because it has 384 GB more internal memory capacity. The Xiaomi Mi Mix 4 counts with a very superior processing power than Motorola Razr Ultra (2025), although it has a smaller amount of RAM, they both have a Octa-Core processing unit.
Xiaomi Mi Mix 4 captures better photos and videos than Motorola Razr Ultra (2025), because although it has a smaller diafragm aperture which is not nice for low light images and videos and worse 24 frames per second video frame rate, and they both have the same video resolution, the Xiaomi Mi Mix 4 also counts with a way higher 108 mega pixels resolution camera in the back.
The Motorola Razr Ultra (2025) counts with a bit superior battery performance than Xiaomi Mi Mix 4, because it has a 4% bigger battery capacity.
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