Compare phones
| Global Score | |
| 79.2 | 88.3 |
| Basic Information | |
| Motorola | Xiaomi |
| Android 15 | Android 11 |
| 2025-04-24 | 2021-05-06 |
| -- | 6.45 x 3.01 x 0.41 inches |
| 7.02 ounces | 7.41 ounces |
| -- | Mirror Black and Pale Grey |
| -- | Metal and Plastic |
| -- | $ 499.00 |
| Display / Screen | |
| 7 inches | 6.7 inches |
| -- | 2400 x 1080 pixels |
| LTPO | -- |
| -- | 393 pixels per inch |
| 4500 cd/m2 brightness | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 5.5 | 9.1 |
| Performance | |
| Qualcomm Snapdragon 8 Elite SM8750-AB (3 nm) chipset | Qualcomm Snapdragon 870 SM8250-AC chipset |
| processor | Kryo 585, 64-bit, 7 nm (Octa-Core 3200 MHz) processor |
| 16 GB RAM | 8 GB RAM |
| Adreno 830 GPU | Adreno 650 GPU |
| 6.3 | 9.81 |
| Storage | |
| 512 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 17.6 | 10.1 |
| Camera | |
| 50.00 MP + 50.00 MP | 48.00 MP + 20.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 0.5 inches (1/2") sensor |
| 7680 x 4320 (30 fps) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| 3840 x 2160 (60 fps) (4K) slow motion video | 1280 x 720 (960 fps) (HD) 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 |
| Nano SIM | Dual SIM |
| 7.6 | 10.6 |
| Battery Life | |
| 4700mAh Li - Ion Battery | 4500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.56 | 6.32 |
| Other Features | |
| Bluetooth 5.4 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| 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 Black Shark 4 has an overall score of 88.3, which is much better than the Motorola Razr Ultra (2025)'s global score of 79.2. Both of these phones include Android OS, but Xiaomi Black Shark 4 has the older 11 version while Motorola Razr Ultra (2025) has Android 15. The Xiaomi Black Shark 4 counts with a much more vibrant screen than Motorola Razr Ultra (2025), although it has a lot darker screen and a quite smaller display.
Xiaomi Black Shark 4 counts with a way better hardware performance than Motorola Razr Ultra (2025), although it has lesser RAM memory, they both have the same number of cores. The Motorola Razr Ultra (2025) and the Xiaomi Black Shark 4 have incredibly similar cameras, and although the Xiaomi Black Shark 4 has a worse 48 megapixels resolution camera in the back and a way lower video resolution, they both have a F1.8 aperture.
The Motorola Razr Ultra (2025) has much more storage for games and applications than Xiaomi Black Shark 4, because it has 512 GB internal storage capacity. Motorola Razr Ultra (2025) counts with just a bit longer battery performance than Xiaomi Black Shark 4, because it has 4700mAh of battery capacity.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.