Compare phones
| Global Score | |
| 76.1 | 80.3 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 10 | -- |
| 2020-06-29 | 2019-01-15 |
| 6.61 x 3.02 x 0.32 inches | 6.27 x 2.96 x 0.32 inches |
| 6.81 ounces | 6.56 ounces |
| Black | Black, Blue and Red |
| Plastic and Plastic | Glass (Corning Gorilla Glass 5) |
| -- | Scratch-Resistant Glass |
| $ 194.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.3 inches |
| 1600 x 720 pixels | 2340 x 1080 pixels |
| IPS LCD | IPS LCD |
| 270 pixels per inch | 409 pixels per inch |
| No touch screen | No touch screen |
| 7.3 | 8.1 |
| Performance | |
| Mediatek Helio P35 chipset | Qualcomm Snapdragon 660 SDM660 chipset |
| Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor | Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor |
| 3 GB RAM | 4 GB RAM |
| PowerVR GE8320 GPU | Adreno 512 GPU |
| 9.27 | 9.18 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 256 GB) external memory slot |
| 9.84 | 13.18 |
| Camera | |
| 16.00 MP + 13.00 MP | 48.00 MP + 13.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 0.33 inches (1/3.06") sensor | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (120 fps) (Full HD) video resolution |
| 9.35 | 11.44 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | 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 |
| 6.7 | 6.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 4000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Xiaomi Redmi Note 7 is a bit better than Samsung Galaxy A21, getting an 80.3 score against 76.1. Xiaomi Redmi Note 7 is a just a little lighter phone than Samsung Galaxy A21, but both are equally thin. The Galaxy A21 has just a little better performance than Xiaomi Redmi Note 7, although it has less RAM, they both have a Octa-Core CPU.
The Xiaomi Redmi Note 7 has a better display than Galaxy A21, because although it has a quite smaller screen, it also counts with a way better pixel count per inch in the display and a way better resolution of 1080 x 2340px. Xiaomi Redmi Note 7 has a much greater storage for applications and games than Galaxy A21, because although it has a slot for an external memory card that supports a maximum of 256 GB against 512 GB, it also counts with 128 GB internal memory capacity.
The Xiaomi Redmi Note 7 features a battery duration that is very similar to the Galaxy A21 one. Xiaomi Redmi Note 7 counts with a very superior camera than Samsung Galaxy A21, and although they both have a same size aperture and the same 1920x1080 video resolution, the Xiaomi Redmi Note 7 also has a back-facing camera with much more MP, a lot bigger back camera sensor providing a way better image quality and faster 120 frames per second video frame rates.
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