Compare phones
| Global Score | |
| 77.7 | 80.3 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 10 | -- |
| 2020-06-19 | 2019-01-15 |
| 6.44 x 2.96 x 0.35 inches | 6.27 x 2.96 x 0.32 inches |
| 6.77 ounces | 6.56 ounces |
| Black, Blue, Red and White | Black, Blue and Red |
| -- | Glass (Corning Gorilla Glass 5) |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.5 inches | 6.3 inches |
| 1600 x 720 pixels | 2340 x 1080 pixels |
| TFT | IPS LCD |
| 270 pixels per inch | 409 pixels per inch |
| No touch screen | No touch screen |
| 7.2 | 8.1 |
| Performance | |
| Samsung Exynos 850 chipset | Qualcomm Snapdragon 660 SDM660 chipset |
| Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor | Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor |
| 3 GB RAM | 4 GB RAM |
| Mali-G76 GPU | Adreno 512 GPU |
| 9.09 | 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 | |
| 48.00 MP + 13.00 MP | 48.00 MP + 13.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | -- |
| 0.5 inches (1/2") 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 |
| 10.78 | 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, Dual SIM | Nano SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 4000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Xiaomi Redmi Note 7 is a bit better than Samsung Galaxy A21s, with an 80.3 score against 77.7. Xiaomi Redmi Note 7's design is a bit thinner and just a little lighter than Samsung Galaxy A21s, even though it was released only 17 months before. The Xiaomi Redmi Note 7 features a bit better CPU than Samsung Galaxy A21s, and although they both have 8 cpu cores, the Xiaomi Redmi Note 7 also has a greater amount of RAM.
Xiaomi Redmi Note 7 features a sharper display than Galaxy A21s, because although it has a little smaller screen, it also counts with a way greater display pixels density and a way better 1080 x 2340px resolution. Xiaomi Redmi Note 7 shoots a little bit better videos and photos than Samsung Galaxy A21s, and although they both have the same back-facing camera sensor size, a 48 megapixels resolution back-facing camera and the same video quality, the Xiaomi Redmi Note 7 also has higher video frame rates and a larger diafragm aperture to capture better low-light images and video.
The Xiaomi Redmi Note 7 has a much greater memory capacity to store more games and applications than Samsung Galaxy A21s, because although it has a slot for external memory cards that holds 256 GB smaller, it also counts with 128 GB internal storage. The Galaxy A21s features longer battery lifetime than Xiaomi Redmi Note 7, because it has a 5000mAh battery capacity instead of 4000mAh.
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