Compare phones
| Global Score | |
| 84.1 | 81.1 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | Android 10 |
| 2020-03-23 | 2020-05-05 |
| 6.26 x 2.96 x 0.35 inches | 6.53 x 3.02 x 0.35 inches |
| 6.63 ounces | 7.37 ounces |
| Midnight blue and Raven black | Glacier white, Interstellar gray and Tropical green |
| Plastic and Plastic | Glass (Corning Gorilla Glass 5) and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 291.00 |
| Display / Screen | |
| 6.4 inches | 6.7 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | IPS LCD |
| 403 pixels per inch | 393 pixels per inch |
| 420 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 8 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 720G SM7125 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 465, 64-bit, 8 nm (Octa-Core 2300 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Mali-G72 MP3 GPU | Adreno 618 GPU |
| 9.27 | 9.36 |
| 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 | |
| 48.00 MP + 20.00 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 |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 11.55 | 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 | |
| 6000mAh Li - Polymer Battery | 5020mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 6.8 |
| 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 |
| FM Radio | -- |
Comparison review
The Samsung Galaxy M21 is slightly better than the Xiaomi Redmi Note 9 Pro, with an 84.1 score against 81.1. These phones work with Android OS (Operating System), but Samsung Galaxy M21 has 11 version while Xiaomi Redmi Note 9 Pro has Android 10. The Samsung Galaxy M21 body has the same thickness than Xiaomi Redmi Note 9 Pro, but it's lighter.
The Galaxy M21 counts with a little more vivid screen than Xiaomi Redmi Note 9 Pro, because although it has a little bit smaller display and a little bit lower 1080 x 2340 resolution, it also counts with a bit higher pixel density. Galaxy M21 and Xiaomi Redmi Note 9 Pro feature incredibly similar memory for apps and games, they have a SD memory slot that supports a maximum of 512 GB and exactly the same 64 GB internal memory capacity.
Xiaomi Redmi Note 9 Pro has a bit superior processing unit than Galaxy M21, and although they both have 8 cores, the Xiaomi Redmi Note 9 Pro also has a higher amount of RAM memory. Xiaomi Redmi Note 9 Pro shoots a little bit better photographs and videos than Galaxy M21, and although they both have the same 30 frames per second video frame rates and the same 3840x2160 video resolution, the Xiaomi Redmi Note 9 Pro also has a larger back camera sensor taking better quality videos and pictures, a larger aperture to take better images and videos in low light environments and a way more MP back-facing camera.
Galaxy M21 has greater battery lifetime than Xiaomi Redmi Note 9 Pro, because it has a 20% bigger battery capacity.
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