Compare phones
| Global Score | |
| 76.1 | 76 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 10 | Android 6.0 Marshmallow |
| 2020-06-29 | 2016-11-01 |
| 6.61 x 3.02 x 0.32 inches | 6.15 x 3.04 x 0.30 inches |
| 6.81 ounces | 5.86 ounces |
| Black | Black and Silver |
| Plastic and Plastic | Aluminum and Glass |
| $ 194.00 | $ 516.00 |
| Display / Screen | |
| 6.5 inches | 5.7 inches |
| 1600 x 720 pixels | 1920 x 1080 pixels (Full HD) |
| IPS LCD | OLED |
| 270 pixels per inch | 386 pixels per inch |
| No touch screen | No touch screen |
| 7.3 | 7.9 |
| Performance | |
| Mediatek Helio P35 chipset | Qualcomm Snapdragon 821 MSM8996 Pro chipset |
| Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor | Kryo, 64-bit (Quad-Core 2350 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| PowerVR GE8320 GPU | Adreno 530 GPU |
| 9.27 | 9.09 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 9.84 | 10.1 |
| Camera | |
| 16.00 MP + 13.00 MP | 23.00 MP + 8.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 0.33 inches (1/3.06") sensor | 0.38 inches (1/2.6") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (4K) video resolution |
| 9.35 | 8.69 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | -- |
| 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 |
| 6.7 | 6.1 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 4070mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 6 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.2 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Galaxy A21 is slightly better than the Xiaomi Mi Note 2, having a 76.1 score against 76. The Galaxy A21 is a way newer cellphone than the Xiaomi Mi Note 2, although it's heavier and a little bit thicker. Both devices we compare here come with Android OS (Operating System), but the Galaxy A21 has 10 version and Xiaomi Mi Note 2 has Android 6.0 Marshmallow.
The Xiaomi Mi Note 2 features a bit sharper screen than Galaxy A21, because although it has a quite smaller screen, it also counts with a better resolution of 1080 x 1920 pixels and a better quantity of pixels per inch of screen. Samsung Galaxy A21 features a little bit better performance than Xiaomi Mi Note 2, because although it has 3 GB less RAM, it also counts with a greater number of cores.
Xiaomi Mi Note 2 features a little bit more memory capacity for apps and games than Samsung Galaxy A21, because although it has no SD memory card expansion slot, it also counts with 96 GB more internal memory capacity. Xiaomi Mi Note 2 counts with a little longer battery performance than Galaxy A21, because it has a 2 percent bigger battery capacity.
Galaxy A21 takes a bit better pictures and videos than Xiaomi Mi Note 2, because although it has a much worse (Full HD) video definition, a much less mega-pixels camera and a smaller sensor providing a worse image quality, it also counts with a bigger camera aperture to capture better images and videos in low light situations.
Galaxy A21 not only is the best phones in our current comparison, but it's also by far the cheapest, which makes buying this phone an easy decision.
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