Compare phones
| Global Score | |
| 88.3 | 79.2 |
| Basic Information | |
| Xiaomi | Motorola |
| Android 11 | Android 15 |
| 2021-05-06 | 2025-04-24 |
| 6.45 x 3.01 x 0.41 inches | -- |
| 7.41 ounces | 7.02 ounces |
| Mirror Black and Pale Grey | -- |
| Metal and Plastic | -- |
| $ 499.00 | -- |
| Display / Screen | |
| 6.7 inches | 7 inches |
| 2400 x 1080 pixels | -- |
| -- | LTPO |
| 393 pixels per inch | -- |
| 1300 cd/m2 brightness | 4500 cd/m2 brightness |
| No touch screen | No touch screen |
| 9.1 | 5.5 |
| Performance | |
| Qualcomm Snapdragon 870 SM8250-AC chipset | Qualcomm Snapdragon 8 Elite SM8750-AB (3 nm) chipset |
| Kryo 585, 64-bit, 7 nm (Octa-Core 3200 MHz) processor | processor |
| 8 GB RAM | 16 GB RAM |
| Adreno 650 GPU | Adreno 830 GPU |
| 9.81 | 6.3 |
| Storage | |
| 128 GB internal memory | 512 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 17.6 |
| Camera | |
| 48.00 MP + 20.00 MP | 50.00 MP + 50.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 0.5 inches (1/2") sensor | -- |
| 3840 x 2160 (60 fps) (4K) video resolution | 7680 x 4320 (30 fps) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 3840 x 2160 (60 fps) (4K) slow motion video |
| 11.99 | 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 |
| Dual SIM | Nano SIM |
| 10.6 | 7.6 |
| Battery Life | |
| 4500mAh Li - Polymer Battery | 4700mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.32 | 6.56 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.4 |
| GPS | GPS |
| NFC | NFC |
| 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
The Xiaomi Black Shark 4 is better than the Motorola Razr Ultra (2025), with an 88.3 score against 79.2. Both devices in this comparison include Android OS (operating system), but Xiaomi Black Shark 4 has an older 11 version while Motorola Razr Ultra (2025) has Android 15. The Xiaomi Black Shark 4 has a much faster CPU than Motorola Razr Ultra (2025), although it has a lower amount of RAM memory, they both have a Octa-Core CPU.
The Xiaomi Black Shark 4 has a much sharper display than Motorola Razr Ultra (2025), although it has a bit smaller screen and much less brightness. Motorola Razr Ultra (2025) has a way bigger memory for games and applications than Xiaomi Black Shark 4, because it has 512 GB internal memory capacity.
Motorola Razr Ultra (2025) counts with a camera that is just as good as Xiaomi Black Shark 4's camera, and although the Motorola Razr Ultra (2025) has a camera in the back with more mega pixels and a way better 7680x4320 video definition, they both have a F1.8 camera aperture. Motorola Razr Ultra (2025) has a little better battery duration than Xiaomi Black Shark 4, because it has a 4 percent greater battery size.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.