Compare phones
| Global Score | |
| 72.5 | 76.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android | Android 10 |
| -- | 2020-06-29 |
| 5.81 x 2.81 x 0.33 inches | 6.61 x 3.02 x 0.32 inches |
| 5.15 ounces | 6.81 ounces |
| Black, Blue, Gray and Yellow | Black |
| Metal | Plastic and Plastic |
| -- | $ 194.00 |
| Display / Screen | |
| 5.5 inches | 6.5 inches |
| 1440 x 720 pixels | 1600 x 720 pixels |
| -- | IPS LCD |
| 293 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 7.4 | 7.3 |
| Performance | |
| MediaTek Helio P22 MT6762 chipset | Mediatek Helio P35 chipset |
| ARM Cortex-A53, 64-bit, 12 nm (Octa-Core 2000 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 4 GB RAM | 3 GB RAM |
| IMG PowerVR GE8320 GPU | PowerVR GE8320 GPU |
| 9.09 | 9.27 |
| Storage | |
| 64 GB internal memory | 32 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 10.78 | 9.84 |
| Camera | |
| 12.00 MP + 5.00 MP | 16.00 MP + 13.00 MP |
| f/2.20 aperture | f/1.80 aperture |
| -- | 0.33 inches (1/3.06") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 8.8 | 9.35 |
| Networks | |
| Wi-Fi | Wi-Fi |
| -- | Mobile Hotspot |
| LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Dual SIM | Nano SIM |
| 5.5 | 6.7 |
| Battery Life | |
| 3000mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 4.96 | 5.92 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Galaxy A21 has a score of 76.1, which is a little bit better than the Xiaomi Redmi 6's 72.5 score. The Galaxy A21 is a a little thinner but heavier phone than the Xiaomi Redmi 6. The Galaxy A21 has Android 10 operating system, while Xiaomi Redmi 6 comes with Android operating system.
Samsung Galaxy A21 has a bit superior processor than Xiaomi Redmi 6, although it has lesser RAM, they both have a Octa-Core CPU. Xiaomi Redmi 6 features just a bit better looking display than Galaxy A21, because although it has a little bit worse resolution of 720 x 1440 pixels and a little bit smaller display, it also counts with a bit more pixels per inch of display.
The Samsung Galaxy A21 shoots a bit better videos and photos than Xiaomi Redmi 6, and although they both have the same video frame rate and the same 1920x1080 (Full HD) video resolution, the Samsung Galaxy A21 also has a larger diafragm aperture for better low-light images and videos and a camera with lot more mega pixels.
Xiaomi Redmi 6 features a little bit better memory to install applications and games than Galaxy A21, because although it has a SD memory card expansion slot that admits 256 GB smaller, it also counts with more internal memory capacity. The Galaxy A21 counts with greater battery duration than Xiaomi Redmi 6, because it has a 33 percent more battery size.
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