Compare phones
| Global Score | |
| 91.8 | 76 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11 | Android 6.0 Marshmallow |
| 2021-01-29 | 2016-11-01 |
| 5.97 x 2.80 x 0.31 inches | 6.15 x 3.04 x 0.30 inches |
| 6.03 ounces | 5.86 ounces |
| Gray, Phantom pink, Violet and White | Black and Silver |
| Aluminum and Plastic | Aluminum and Glass |
| Scratch-Resistant Glass | -- |
| $ 722.00 | $ 516.00 |
| Display / Screen | |
| 6.2 inches | 5.7 inches |
| 2400 x 1080 pixels | 1920 x 1080 pixels (Full HD) |
| Dynamic AMOLED | OLED |
| 424 pixels per inch | 386 pixels per inch |
| 1300 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.2 | 7.9 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 821 MSM8996 Pro chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo, 64-bit (Quad-Core 2350 MHz) processor |
| 8 GB RAM | 6 GB RAM |
| Adreno 660 GPU | Adreno 530 GPU |
| 9.63 | 9.09 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 10.1 |
| Camera | |
| 12.00 MP + 10.00 MP | 23.00 MP + 8.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 26.00mm focal length | -- |
| 0.57 inches (1/1.76") sensor | 0.38 inches (1/2.6") sensor |
| 7680 x 4320 (24 fps) video resolution | 3840 x 2160 (4K) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | -- |
| 10.78 | 8.69 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | -- |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.7 | 6.1 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 4070mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 5.92 | 6 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.2 |
| 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
The Samsung Galaxy S21 has an overall score of 91.8, which is much better than the Xiaomi Mi Note 2's 76 global score. Both devices in this comparison review work with Android operating system, but the Samsung Galaxy S21 has the older 11 version and Xiaomi Mi Note 2 has Android 6.0 Marshmallow version. Samsung Galaxy S21's body is newer, but a little bit thicker and a little bit heavier than Xiaomi Mi Note 2.
The Samsung Galaxy S21 counts with a brighter screen than Xiaomi Mi Note 2, because it has a little larger display, a slightly higher resolution of 1080 x 2400 and a little greater amount of pixels in each inch in the screen. The Galaxy S21 and the Xiaomi Mi Note 2 both have really similar memory for games and applications, both have the same 128 GB internal storage capacity.
The Samsung Galaxy S21 counts with a bit faster CPU than Xiaomi Mi Note 2, because it has 4 more cpu cores and 2 GB more RAM. The Xiaomi Mi Note 2 features a bit better battery life than Galaxy S21, because it has a 2% bigger battery size. The Galaxy S21 shoots a lot better photos and videos than Xiaomi Mi Note 2, because although it has a way less mega pixels resolution camera, it also counts with a lot bigger sensor shooting lot higher quality videos and photographs, a bigger diafragm aperture to take better captures and videos in poorly lited situations and a much better video definition.
Galaxy S21 costs more than Xiaomi Mi Note 2, but you can get a much better phone for that few more dollars.
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