Compare phones
| Global Score | |
| 76.7 | 79.2 |
| Basic Information | |
| Xiaomi | Motorola |
| Android 11 | Android 15 |
| 2021-05-27 | 2025-04-24 |
| 6.23 x 2.96 x 0.33 inches | -- |
| 6.70 ounces | 7.02 ounces |
| Moonlight White, Neptune Blue and Space Black, | -- |
| Glass and Plastic | -- |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.3 inches | 7 inches |
| 2340 x 1080 pixels | -- |
| IPS LCD | LTPO |
| 409 pixels per inch | -- |
| -- | 4500 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 5.5 |
| Performance | |
| MediaTek Helio G85 MT6769Z chipset | Qualcomm Snapdragon 8 Elite SM8750-AB (3 nm) chipset |
| Cortex-A75, 64-bit, 12 nm (Octa-Core 2000 MHz) processor | processor |
| 4 GB RAM | 16 GB RAM |
| Mali G52 MC2 GPU | Adreno 830 GPU |
| 9.09 | 6.3 |
| Storage | |
| 64 GB internal memory | 512 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | No SD card slot |
| 10.02 | 17.6 |
| Camera | |
| 48.00 MP + 13.00 MP | 50.00 MP + 50.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 0.5 inches (1/2") sensor | -- |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 7680 x 4320 (30 fps) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | 3840 x 2160 (60 fps) (4K) slow motion video |
| 11 | 11.99 |
| Networks | |
| Wi-Fi | -- |
| Mobile Hotspot | -- |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM | Nano SIM |
| 6.6 | 7.6 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 4700mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.92 | 6.56 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.4 |
| GPS | GPS |
| -- | NFC |
| 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
The Motorola Razr Ultra (2025) is a bit better than Xiaomi Redmi Note 8 2021, with a general score of 79.2 against 76.7. Both of these devices come with Android OS (operating system), but the Motorola Razr Ultra (2025) has 15 version while Xiaomi Redmi Note 8 2021 has Android 11 version, providing a couple nice extra features and improved performance. Although the Motorola Razr Ultra (2025) is just a little bit heavier than the Xiaomi Redmi Note 8 2021, it's much thinner and also newer.
Xiaomi Redmi Note 8 2021 has a really superior processing power than Motorola Razr Ultra (2025), although it has a lower amount of RAM, they both have 8 processing cores. Xiaomi Redmi Note 8 2021 counts with a way better looking screen than Motorola Razr Ultra (2025), although it has a little bit smaller display.
The Motorola Razr Ultra (2025) features a very superior storage to store more apps and games than Xiaomi Redmi Note 8 2021, because although it has no external memory card slot, it also counts with 512 GB internal memory. The Motorola Razr Ultra (2025) has better battery performance than Xiaomi Redmi Note 8 2021, because it has 4700mAh of battery capacity instead of 4000mAh.
The Motorola Razr Ultra (2025) has a little bit better camera than Xiaomi Redmi Note 8 2021, and although they both have a F1.8 diafragm aperture, the Motorola Razr Ultra (2025) also has a way better 7680x4320 video definition and a higher 50 mega pixels resolution camera.
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