Compare phones
| Global Score | |
| 98.1 | 91.5 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11 | Android 12 |
| 2021-01-29 | 2022-11-01 |
| 6.50 x 2.98 x 0.35 inches | 6.41 x 2.99 x 0.35 inches |
| 8.04 ounces | 7.32 ounces |
| Phantom black and Silver | Black |
| Aluminum and Glass (Corning Gorilla Glass Victus) | Aluminum and Glass |
| Scratch-Resistant Glass | -- |
| $ 966.00 | -- |
| Display / Screen | |
| 6.8 inches | 6.7 inches |
| 3200 x 1440 pixels | 2400 x 1080 pixels |
| Dynamic AMOLED | OLED |
| 516 pixels per inch | 393 pixels per inch |
| 1500 cd/m2 brightness | 900 cd/m2 brightness |
| No touch screen | No touch screen |
| 9.8 | 8.8 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | MediaTek Dimensity 1080 MT6877V (6 nm) chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Octa-Core 2600 MHz processor |
| 12 GB RAM | 8 GB RAM |
| Adreno 660 GPU | Mali-G68 MC4 GPU |
| 9.72 | 9.54 |
| Storage | |
| 128 GB internal memory | 256 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 13.3 |
| Camera | |
| 108.00 MP + 40.00 MP | 200.00 MP + 16.00 MP |
| f/1.80 aperture | f/1.70 aperture |
| 24.00mm focal length | 24.00mm focal length |
| 0.75 inches (1/1.33") sensor | 0.71 inches (1/1.4") sensor |
| 7680 x 4320 (24 fps) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 13.75 | 13.97 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM | Nano SIM |
| 10.7 | 10.6 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 4300mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.8 | 6.16 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.2 |
| GPS | GPS |
| NFC | 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 |
| FM Radio | -- |
Comparison review
Galaxy S21 Ultra is a little bit better than the Xiaomi Redmi Note 12 Explorer, having a general score of 98.1 against 91.5. These devices work with Android operating system, but Galaxy S21 Ultra has an older 11 version and Xiaomi Redmi Note 12 Explorer has Android 12. Galaxy S21 Ultra is a a little bit heavier cellphone than Xiaomi Redmi Note 12 Explorer, but they have the same thickness.
The Galaxy S21 Ultra counts with a little better hardware performance than Xiaomi Redmi Note 12 Explorer, and although they both have a Octa-Core processing unit, the Galaxy S21 Ultra also has a higher amount of RAM memory. Samsung Galaxy S21 Ultra features a more vivid screen than Xiaomi Redmi Note 12 Explorer, because it has a bit bigger display, a higher resolution of 1440 x 3200, much more brightness and a higher display density.
The Xiaomi Redmi Note 12 Explorer features a much bigger memory capacity to install games and applications than Samsung Galaxy S21 Ultra, because it has 128 GB more internal storage. The Xiaomi Redmi Note 12 Explorer captures a bit better pictures and videos than Samsung Galaxy S21 Ultra, because although it has a smaller back-facing camera sensor, and they both have the same video definition, the Xiaomi Redmi Note 12 Explorer also counts with a bigger diafragm aperture for better captures in poorly lited environments, a back-facing camera with a lot higher 200 mega-pixels resolution and higher 30 fps video frame rate.
The Galaxy S21 Ultra has longer battery lifetime than Xiaomi Redmi Note 12 Explorer, because it has a 5000mAh battery size.
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