Compare phones
| Global Score | |
| 76.7 | 76.1 |
| Basic Information | |
| Xiaomi | Asus |
| Android 11 | Android 14 |
| 2021-05-27 | 2024-03-14 |
| 6.23 x 2.96 x 0.33 inches | 6.45 x 3.02 x 0.35 inches |
| 6.70 ounces | 7.90 ounces |
| Moonlight White, Neptune Blue and Space Black, | Desert Sand, Eternal Black, Misty Grey and Skyline Blue |
| Glass and Plastic | Glass |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.3 inches | 6.8 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| IPS LCD | AMOLED |
| 409 pixels per inch | 387 pixels per inch |
| -- | 2500 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 9.5 |
| Performance | |
| MediaTek Helio G85 MT6769Z chipset | Qualcomm Snapdragon 8 Gen 3 SM8650-AB (4 nm) chipset |
| Cortex-A75, 64-bit, 12 nm (Octa-Core 2000 MHz) processor | processor |
| 4 GB RAM | 12 GB RAM |
| Mali G52 MC2 GPU | Adreno 750 GPU |
| 9.09 | 6.21 |
| Storage | |
| 64 GB internal memory | 256 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | No SD card slot |
| 10.02 | 13.3 |
| Camera | |
| 48.00 MP + 13.00 MP | 50.00 MP + 32.00 MP |
| f/1.80 aperture | f/1.90 aperture |
| -- | 24.00mm focal length |
| 0.5 inches (1/2") sensor | 0.64 inches (1/1.56") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 11 | 12.54 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSPA | 5G, 5G |
| Nano SIM | Nano SIM |
| 6.6 | 7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 5500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.92 | 7.2 |
| 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, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
The Xiaomi Redmi Note 8 2021 has a global score of 76.7, which is slightly better than the Asus Zenfone 11 Ultra's 76.1 overall score. Both devices in this comparison come with Android OS (operating system), but the Xiaomi Redmi Note 8 2021 has the older 11 version and Asus Zenfone 11 Ultra has Android 14 version. Despite of the fact that the Xiaomi Redmi Note 8 2021 is way older than the Asus Zenfone 11 Ultra, it's construction is lighter and just a bit thinner.
The Asus Zenfone 11 Ultra counts with a more vivid display than Xiaomi Redmi Note 8 2021, because although it has a little lower pixel amount in each inch in the screen, it also counts with a little bit bigger screen and a slightly better 1080 x 2400 resolution. Asus Zenfone 11 Ultra features a very superior storage capacity to install applications and games than Xiaomi Redmi Note 8 2021, because although it has no SD card slot, it also counts with 192 GB more internal memory capacity.
The Xiaomi Redmi Note 8 2021 has a very superior processing power than Asus Zenfone 11 Ultra, although it has less RAM, they both have 8 processing cores. The Asus Zenfone 11 Ultra counts with a superior camera than Xiaomi Redmi Note 8 2021, because although it has a smaller camera aperture, it also counts with a camera in the back with more mega-pixels, a way better 7680x4320 video quality and a lot larger sensor shooting way better quality photos.
The Asus Zenfone 11 Ultra counts with a really longer battery life than Xiaomi Redmi Note 8 2021, because it has a 5500mAh battery size instead of 4000mAh.
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