Compare phones
| Global Score | |
| 76.7 | 81.5 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11 | Android 13 |
| 2021-05-27 | -- |
| 6.23 x 2.96 x 0.33 inches | 6.43 x 3.07 x 0.35 inches |
| 6.70 ounces | -- |
| Moonlight White, Neptune Blue and Space Black, | -- |
| Glass and Plastic | Aluminum and Glass |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.3 inches | 6.8 inches |
| 2340 x 1080 pixels | 3080 x 1440 pixels |
| IPS LCD | Dynamic AMOLED |
| 409 pixels per inch | 500 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8 |
| Performance | |
| MediaTek Helio G85 MT6769Z chipset | Qualcomm Snapdragon 8 Gen 2 (4 nm) chipset |
| Cortex-A75, 64-bit, 12 nm (Octa-Core 2000 MHz) processor | processor |
| 4 GB RAM | 8 GB RAM |
| Mali G52 MC2 GPU | Adreno 740 GPU |
| 9.09 | 6.21 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | No SD card slot |
| 10.02 | 10.1 |
| Camera | |
| 48.00 MP + 13.00 MP | 200.00 MP + 40.00 MP |
| f/1.80 aperture | f/1.70 aperture |
| -- | 69.00mm focal length |
| 0.5 inches (1/2") sensor | 0.77 inches (1/1.3") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | -- |
| 1280 x 720 (120 fps) (HD) slow motion video | -- |
| 11 | 12.43 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | 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 | 10.6 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 5000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.92 | 6.8 |
| Other Features | |
| Bluetooth 5.2 | 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
Galaxy S23 Ultra is a little bit better than Xiaomi Redmi Note 8 2021, having an 81.5 score against 76.7. Galaxy S23 Ultra's body is extremely lighter but just a little thicker than the Xiaomi Redmi Note 8 2021. These phones work with Android OS, but Galaxy S23 Ultra has the newer 13 version while Xiaomi Redmi Note 8 2021 has Android 11 version, so it provides the user a lot of extra features and improved performance.
The Xiaomi Redmi Note 8 2021 counts with a bit sharper display than Galaxy S23 Ultra, although it has a bit worse display density, a little bit smaller display and a way worse 1080 x 2340 resolution. Xiaomi Redmi Note 8 2021 features a much more powerful processing unit than Samsung Galaxy S23 Ultra, although it has 4 GB lesser RAM, they both have a Octa-Core processing unit.
Samsung Galaxy S23 Ultra takes better photos and videos than Xiaomi Redmi Note 8 2021, because it has a larger camera aperture to take better low light photography and video, a way bigger sensor providing a lot higher image quality and a much more mega-pixels back facing camera. Galaxy S23 Ultra features just a bit bigger memory capacity for games and applications than Xiaomi Redmi Note 8 2021, because although it has no external memory slot, it also counts with 128 GB internal memory capacity.
The Galaxy S23 Ultra counts with greater battery duration than Xiaomi Redmi Note 8 2021, because it has a 25% larger battery capacity.
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