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