Compare phones
| Global Score | |
| 81.1 | 84.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 10 | Android 11, 10 |
| 2020-05-05 | 2020-03-23 |
| 6.53 x 3.02 x 0.35 inches | 6.26 x 2.96 x 0.35 inches |
| 7.37 ounces | 6.63 ounces |
| Glacier white, Interstellar gray and Tropical green | Midnight blue and Raven black |
| Glass (Corning Gorilla Glass 5) and Plastic | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 291.00 | -- |
| Display / Screen | |
| 6.7 inches | 6.4 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 393 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 720G SM7125 chipset | Exynos 9611 chipset |
| Kryo 465, 64-bit, 8 nm (Octa-Core 2300 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Adreno 618 GPU | Mali-G72 MP3 GPU |
| 9.36 | 9.27 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 11.74 | 11.74 |
| Camera | |
| 64.00 MP + 16.00 MP | 48.00 MP + 20.00 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 | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 12.1 | 11.55 |
| 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 | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 7.52 |
| 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, Gyroscope and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Galaxy M21 is just a bit better than Xiaomi Redmi Note 9 Pro, having a score of 84.1 against 81.1. Galaxy M21's design has the same thickness than Xiaomi Redmi Note 9 Pro, but it's lighter. These phones work with Android OS, but the Galaxy M21 has the newer 11 version while Xiaomi Redmi Note 9 Pro has Android 10, so it counts with some additional features and some performance improvements.
Samsung Galaxy M21 counts with a little sharper display than Xiaomi Redmi Note 9 Pro, because although it has a little bit lower resolution of 1080 x 2340 and a little bit smaller display, it also counts with a quite higher screen density. Xiaomi Redmi Note 9 Pro and Samsung Galaxy M21 count with extremely similar memory capacity to install applications and games or saving photos and videos, both of them have a SD extension slot that holds up to 512 GB and exactly the same 64 GB internal storage.
Xiaomi Redmi Note 9 Pro has a little bit better processing power than Samsung Galaxy M21, and although they both have the same number of cores, the Xiaomi Redmi Note 9 Pro also has 2 GB more RAM memory. The Xiaomi Redmi Note 9 Pro has a slightly better camera than Samsung Galaxy M21, and although they both have the same video frame rates and the same 3840x2160 video quality, the Xiaomi Redmi Note 9 Pro also has a lot more MP back facing camera, a larger back-facing camera sensor providing a higher image quality and a bigger camera aperture to take better low-light captures and videos.
The Samsung Galaxy M21 counts with greater battery performance than Xiaomi Redmi Note 9 Pro, because it has a 6000mAh battery size.
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