Compare phones
| Global Score | |
| 76.1 | 76.7 |
| Basic Information | |
| Asus | Xiaomi |
| Android 14 | Android 11 |
| 2024-03-14 | 2021-05-27 |
| 6.45 x 3.02 x 0.35 inches | 6.23 x 2.96 x 0.33 inches |
| 7.90 ounces | 6.70 ounces |
| Desert Sand, Eternal Black, Misty Grey and Skyline Blue | Moonlight White, Neptune Blue and Space Black, |
| Glass | Glass and Plastic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.8 inches | 6.3 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| AMOLED | IPS LCD |
| 387 pixels per inch | 409 pixels per inch |
| 2500 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.5 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 8 Gen 3 SM8650-AB (4 nm) chipset | MediaTek Helio G85 MT6769Z chipset |
| processor | Cortex-A75, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 12 GB RAM | 4 GB RAM |
| Adreno 750 GPU | Mali G52 MC2 GPU |
| 6.21 | 9.09 |
| Storage | |
| 256 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 128 GB) external memory slot |
| 13.3 | 10.02 |
| Camera | |
| 50.00 MP + 32.00 MP | 48.00 MP + 13.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 24.00mm focal length | -- |
| 0.64 inches (1/1.56") sensor | 0.5 inches (1/2") sensor |
| 7680 x 4320 (24 fps) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1280 x 720 (120 fps) (HD) slow motion video |
| 12.54 | 11 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSPA |
| Nano SIM | Nano SIM |
| 7 | 6.6 |
| Battery Life | |
| 5500mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 7.2 | 5.92 |
| Other Features | |
| Bluetooth 5.4 | Bluetooth 5.2 |
| 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 is a bit better than the Asus Zenfone 11 Ultra, getting a global score of 76.7 against 76.1. Even though the Xiaomi Redmi Note 8 2021 is extremely older than Asus Zenfone 11 Ultra, it's construction is just a bit thinner and lighter. Both phones we compare here use Android OS, but the Xiaomi Redmi Note 8 2021 has older 11 version and Asus Zenfone 11 Ultra has Android 14 version.
Xiaomi Redmi Note 8 2021 features a much better performing processor than Asus Zenfone 11 Ultra, although it has a lower amount of RAM, they both have a Octa-Core CPU. Asus Zenfone 11 Ultra features a sharper screen than Xiaomi Redmi Note 8 2021, because although it has a quite inferior amount of pixels per inch in the display, it also counts with a slightly higher 1080 x 2400 resolution and a quite larger screen.
Asus Zenfone 11 Ultra has a much better memory capacity to install applications and games or saving photos and videos than Xiaomi Redmi Note 8 2021, because although it has no slot for external memory cards, it also counts with 256 GB internal storage capacity. The Asus Zenfone 11 Ultra shoots much better pictures and videos than Xiaomi Redmi Note 8 2021, because although it has a tinier diafragm aperture, it also counts with a lot higher 7680x4320 video quality, a lot bigger back-facing camera sensor taking much better quality photographs and a back facing camera with more mega pixels.
Asus Zenfone 11 Ultra features a superior battery duration than Xiaomi Redmi Note 8 2021, because it has a 38 percent greater battery capacity.
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