Compare phones
| Global Score | |
| 81.5 | 76.7 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 13 | Android 11 |
| -- | 2021-05-27 |
| 6.43 x 3.07 x 0.35 inches | 6.23 x 2.96 x 0.33 inches |
| -- | 6.70 ounces |
| -- | Moonlight White, Neptune Blue and Space Black, |
| Aluminum and Glass | Glass and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.8 inches | 6.3 inches |
| 3080 x 1440 pixels | 2340 x 1080 pixels |
| Dynamic AMOLED | IPS LCD |
| 500 pixels per inch | 409 pixels per inch |
| No touch screen | No touch screen |
| 8 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 8 Gen 2 (4 nm) chipset | MediaTek Helio G85 MT6769Z chipset |
| processor | Cortex-A75, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Adreno 740 GPU | Mali G52 MC2 GPU |
| 6.21 | 9.09 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 128 GB) external memory slot |
| 10.1 | 10.02 |
| Camera | |
| 200.00 MP + 40.00 MP | 48.00 MP + 13.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 69.00mm focal length | -- |
| 0.77 inches (1/1.3") sensor | 0.5 inches (1/2") sensor |
| -- | 1920 x 1080 (30 fps) (Full HD) video resolution |
| -- | 1280 x 720 (120 fps) (HD) slow motion video |
| 12.43 | 11 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | 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 |
| 10.6 | 6.6 |
| Battery Life | |
| 5000mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.8 | 5.92 |
| 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
The Galaxy S23 Ultra is a little bit better than Xiaomi Redmi Note 8 2021, with a overall score of 81.5 against 76.7. These phones use Android OS (Operating System), but the Galaxy S23 Ultra has the newer 13 version while Xiaomi Redmi Note 8 2021 has Android 11, giving a lot of extra features. Galaxy S23 Ultra is a extremely lighter but just a little thicker device than Xiaomi Redmi Note 8 2021.
Xiaomi Redmi Note 8 2021 features a slightly better looking screen than Galaxy S23 Ultra, although it has a little worse display density, a much lower resolution of 1080 x 2340 and a quite smaller screen. The Galaxy S23 Ultra counts with a slightly bigger memory for games and applications than Xiaomi Redmi Note 8 2021, because although it has no slot for an external memory card, it also counts with more internal memory.
Xiaomi Redmi Note 8 2021 has a really superior processing power than Samsung Galaxy S23 Ultra, although it has 4 GB lesser RAM memory, they both have a Octa-Core CPU. Samsung Galaxy S23 Ultra counts with better battery lifetime than Xiaomi Redmi Note 8 2021, because it has 5000mAh of battery capacity.
The Galaxy S23 Ultra takes much clearer pictures and videos than Xiaomi Redmi Note 8 2021, because it has a lot larger sensor, a way better resolution camera in the back and a bigger diafragm aperture.
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