Compare phones
| Global Score | |
| 77.7 | 81.1 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 10 | Android 10 |
| 2020-06-19 | 2020-05-05 |
| 6.44 x 2.96 x 0.35 inches | 6.53 x 3.02 x 0.35 inches |
| 6.77 ounces | 7.37 ounces |
| Black, Blue, Red and White | Glacier white, Interstellar gray and Tropical green |
| -- | Glass (Corning Gorilla Glass 5) and Plastic |
| -- | Scratch-Resistant Glass |
| -- | $ 291.00 |
| Display / Screen | |
| 6.5 inches | 6.7 inches |
| 1600 x 720 pixels | 2400 x 1080 pixels |
| TFT | IPS LCD |
| 270 pixels per inch | 393 pixels per inch |
| No touch screen | No touch screen |
| 7.2 | 8 |
| Performance | |
| Samsung Exynos 850 chipset | Qualcomm Snapdragon 720G SM7125 chipset |
| Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor | Kryo 465, 64-bit, 8 nm (Octa-Core 2300 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| Mali-G76 GPU | Adreno 618 GPU |
| 9.09 | 9.36 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 9.84 | 11.74 |
| Camera | |
| 48.00 MP + 13.00 MP | 64.00 MP + 16.00 MP |
| f/2.00 aperture | f/1.90 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.59 inches (1/1.7") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 10.78 | 12.1 |
| 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, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 5020mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | 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
The Xiaomi Redmi Note 9 Pro has a general score of 81.1, which is a bit better than Galaxy A21s's score of 77.7. Xiaomi Redmi Note 9 Pro is a a little heavier phone than the Galaxy A21s, but they have the same thickness. Both phones in this comparison review come with the same Android 10 OS (operating system), so you shouldn't see any differences regarding OS features.
Xiaomi Redmi Note 9 Pro has a little faster processing unit than Samsung Galaxy A21s, and although they both have a Octa-Core CPU, the Xiaomi Redmi Note 9 Pro also has a larger amount of RAM memory. Xiaomi Redmi Note 9 Pro has a much better looking screen than Galaxy A21s, because it has a lot higher 1080 x 2400px resolution, a little bit bigger screen and a better pixels density.
The Xiaomi Redmi Note 9 Pro counts with a bigger storage capacity to store more apps and games than Galaxy A21s, and although they both have a SD card slot that allows a maximum of 512 GB, the Xiaomi Redmi Note 9 Pro also has 64 GB internal storage capacity. Xiaomi Redmi Note 9 Pro has a much better camera than Samsung Galaxy A21s, because it has a lot better 3840x2160 video definition, a way more mega-pixels camera in the back, a bigger back-facing camera sensor capturing better quality photographs and videos and a bigger aperture to take better captures and videos in low light situations.
The Xiaomi Redmi Note 9 Pro's battery life is very similar to Galaxy A21s's battery duration, although the Xiaomi Redmi Note 9 Pro also has a 5020mAh battery capacity.
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