Compare phones
| Global Score | |
| 81.1 | 77.7 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 10 | Android 10 |
| 2020-05-05 | 2020-06-19 |
| 6.53 x 3.02 x 0.35 inches | 6.44 x 2.96 x 0.35 inches |
| 7.37 ounces | 6.77 ounces |
| Glacier white, Interstellar gray and Tropical green | Black, Blue, Red and White |
| Glass (Corning Gorilla Glass 5) and Plastic | -- |
| Scratch-Resistant Glass | -- |
| $ 291.00 | -- |
| Display / Screen | |
| 6.7 inches | 6.5 inches |
| 2400 x 1080 pixels | 1600 x 720 pixels |
| IPS LCD | TFT |
| 393 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 720G SM7125 chipset | Samsung Exynos 850 chipset |
| Kryo 465, 64-bit, 8 nm (Octa-Core 2300 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 6 GB RAM | 3 GB RAM |
| Adreno 618 GPU | Mali-G76 GPU |
| 9.36 | 9.09 |
| Storage | |
| 64 GB internal memory | 32 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 11.74 | 9.84 |
| Camera | |
| 64.00 MP + 16.00 MP | 48.00 MP + 13.00 MP |
| f/1.90 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.59 inches (1/1.7") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | -- |
| 12.1 | 10.78 |
| 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 | |
| 5020mAh Li - Polymer Battery | 5000mAh 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, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
Comparison review
The Xiaomi Redmi Note 9 Pro is just a bit better than the Galaxy A21s, getting a global score of 81.1 against 77.7. The Xiaomi Redmi Note 9 Pro is a just a little heavier cellphone than the Galaxy A21s, but both of them are equally thin. Both of these devices use the same Android 10 OS. The Xiaomi Redmi Note 9 Pro features a little bit better hardware performance than Samsung Galaxy A21s, and although they both have a Octa-Core processor, the Xiaomi Redmi Note 9 Pro also has more RAM.
Xiaomi Redmi Note 9 Pro features a brighter display than Galaxy A21s, because it has a lot higher resolution of 1080 x 2400px, a little bit larger display and a higher display density. The Xiaomi Redmi Note 9 Pro counts with a better camera than Samsung Galaxy A21s, because it has a larger camera aperture for better low-light captures, a way higher (4K) video definition, a lot more mega pixels back camera and a bigger back-facing camera sensor which provides a better image and video quality.
Xiaomi Redmi Note 9 Pro features a quite bigger storage for games and applications than Samsung Galaxy A21s, and although they both have a slot for external memory cards that supports a maximum of 512 GB, the Xiaomi Redmi Note 9 Pro also has 64 GB internal memory. The Samsung Galaxy A21s's battery life is just as good as Xiaomi Redmi Note 9 Pro's battery performance, although the Samsung Galaxy A21s has just 5000mAh battery size.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.