Compare phones
| Global Score | |
| 76 | 91.8 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 6.0 Marshmallow | Android 11 |
| 2016-11-01 | 2021-01-29 |
| 6.15 x 3.04 x 0.30 inches | 5.97 x 2.80 x 0.31 inches |
| 5.86 ounces | 6.03 ounces |
| Black and Silver | Gray, Phantom pink, Violet and White |
| Aluminum and Glass | Aluminum and Plastic |
| -- | Scratch-Resistant Glass |
| $ 516.00 | $ 722.00 |
| Display / Screen | |
| 5.7 inches | 6.2 inches |
| 1920 x 1080 pixels (Full HD) | 2400 x 1080 pixels |
| OLED | Dynamic AMOLED |
| 386 pixels per inch | 424 pixels per inch |
| -- | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.9 | 9.2 |
| Performance | |
| Qualcomm Snapdragon 821 MSM8996 Pro chipset | Qualcomm Snapdragon 888 chipset |
| Kryo, 64-bit (Quad-Core 2350 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 6 GB RAM | 8 GB RAM |
| Adreno 530 GPU | Adreno 660 GPU |
| 9.09 | 9.63 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 10.1 |
| Camera | |
| 23.00 MP + 8.00 MP | 12.00 MP + 10.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| 0.38 inches (1/2.6") sensor | 0.57 inches (1/1.76") sensor |
| 3840 x 2160 (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 8.69 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| -- | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.1 | 10.7 |
| Battery Life | |
| 4070mAh Li - Ion Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6 | 5.92 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Galaxy S21 is way better than Xiaomi Mi Note 2, having a general score of 91.8 against 76. These devices include Android OS (operating system), but the Galaxy S21 has an older 11 version while Xiaomi Mi Note 2 has Android 6.0 Marshmallow version. Although the Galaxy S21 is extremely newer than the Xiaomi Mi Note 2, it's a little bit thicker and just a bit heavier.
Samsung Galaxy S21 counts with a little bit better performance than Xiaomi Mi Note 2, because it has a larger amount of RAM memory and 4 more CPU cores. Galaxy S21 has a sharper screen than Xiaomi Mi Note 2, because it has a bit higher 1080 x 2400 resolution, a bit better pixel density and a quite larger screen.
The Galaxy S21 shoots much better videos and photos than Xiaomi Mi Note 2, because although it has a camera with way less MP resolution, it also counts with a much higher video resolution, a larger aperture and a much larger sensor taking more light and vivid colors. Galaxy S21's memory capacity for applications and games is very similar to the Xiaomi Mi Note 2 one, both have the same 128 GB internal memory.
The Xiaomi Mi Note 2 counts with a bit longer battery duration than Galaxy S21, because it has 4070mAh of battery capacity.
Galaxy S21 costs more money than Xiaomi Mi Note 2, but you can get a much better phone for that few more dollars.
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