Compare phones
| Global Score | |
| 91.8 | 75.9 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11 | Android |
| 2021-01-29 | 2018-06-08 |
| 5.97 x 2.80 x 0.31 inches | 5.80 x 2.88 x 0.30 inches |
| 6.03 ounces | 5.78 ounces |
| Gray, Phantom pink, Violet and White | Black, Blue, Gold and Red |
| Aluminum and Plastic | -- |
| Scratch-Resistant Glass | -- |
| $ 722.00 | -- |
| Display / Screen | |
| 6.2 inches | 5.9 inches |
| 2400 x 1080 pixels | 2244 x 1080 pixels |
| Dynamic AMOLED | AMOLED |
| 424 pixels per inch | 422 pixels per inch |
| 1300 cd/m2 brightness | 600 cd/m2 brightness |
| No touch screen | No touch screen |
| 9.2 | 8.7 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 710 SDM710 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo 360, 64-bit, 10 nm (Octa-Core 2200 MHz) processor |
| 8 GB RAM | 6 GB RAM |
| Adreno 660 GPU | Adreno 616 GPU |
| 9.63 | 9.27 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 7.7 |
| Camera | |
| 12.00 MP + 10.00 MP | 12.00 MP + 20.00 MP |
| f/1.80 aperture | f/1.90 aperture |
| 26.00mm focal length | -- |
| 0.57 inches (1/1.76") sensor | 0.39 inches (1/2.55") 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 (240 fps) (HD) slow motion video |
| 10.78 | 9.79 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE (4G), HSPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.7 | 6.1 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 3120mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 5.92 | 5.12 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| 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 is much better than Xiaomi Mi 8 SE, getting a 91.8 score against 75.9. Galaxy S21 comes with Android 11 operating system, and Xiaomi Mi 8 SE counts with Android operating system. Although Galaxy S21 is much newer than the Xiaomi Mi 8 SE, it's a little bit heavier and just a little thicker.
Galaxy S21 counts with a little better hardware performance than Xiaomi Mi 8 SE, and although they both have a Octa-Core CPU, the Galaxy S21 also has more RAM. Galaxy S21 counts with a bit sharper screen than Xiaomi Mi 8 SE, because it has a bit better pixel density, a little bigger display, way more display brightness and a quite better 1080 x 2400px resolution.
Samsung Galaxy S21 has a much bigger storage to install applications and games or saving photos and videos than Xiaomi Mi 8 SE, because it has 128 GB internal storage capacity. Samsung Galaxy S21 captures much clearer photographs and videos than Xiaomi Mi 8 SE, and although they both have a 12 mega-pixels back facing camera, the Samsung Galaxy S21 also has a larger aperture, a way larger sensor capturing more light and vivid colors and a way higher 7680x4320 video resolution.
Samsung Galaxy S21 has better battery life than Xiaomi Mi 8 SE, because it has a 28% greater battery capacity.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.