Compare phones
| Global Score | |
| 81.1 | 76.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 10 | Android 10 |
| 2020-05-05 | 2020-06-29 |
| 6.53 x 3.02 x 0.35 inches | 6.61 x 3.02 x 0.32 inches |
| 7.37 ounces | 6.81 ounces |
| Glacier white, Interstellar gray and Tropical green | Black |
| Glass (Corning Gorilla Glass 5) and Plastic | Plastic and Plastic |
| Scratch-Resistant Glass | -- |
| $ 291.00 | $ 194.00 |
| Display / Screen | |
| 6.7 inches | 6.5 inches |
| 2400 x 1080 pixels | 1600 x 720 pixels |
| IPS LCD | IPS LCD |
| 393 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 720G SM7125 chipset | Mediatek Helio P35 chipset |
| Kryo 465, 64-bit, 8 nm (Octa-Core 2300 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 6 GB RAM | 3 GB RAM |
| Adreno 618 GPU | PowerVR GE8320 GPU |
| 9.36 | 9.27 |
| 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 | 16.00 MP + 13.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 26.00mm focal length | -- |
| 0.59 inches (1/1.7") sensor | 0.33 inches (1/3.06") 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 | 9.35 |
| 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 | |
| 5020mAh Li - Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 5.92 |
| 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, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Xiaomi Redmi Note 9 Pro is slightly better than the Galaxy A21, with an 81.1 score against 76.1. Although it's the best phone in this comparison, it must be noted that it is also just a little heavier and just a little bit thicker. Both of these phones use the same Android 10 OS (operating system), so both should give you all the same OS features.
The Xiaomi Redmi Note 9 Pro counts with a little more vivid screen than Samsung Galaxy A21, because it has a higher amount of pixels per inch in the screen, a way better 1080 x 2400 resolution and a quite bigger screen. The Xiaomi Redmi Note 9 Pro has a quite bigger memory for apps and games than Galaxy A21, and although they both have a slot for SD memory cards that holds up to 512 GB, the Xiaomi Redmi Note 9 Pro also has 64 GB internal storage capacity.
Xiaomi Redmi Note 9 Pro has a bit superior processing unit than Galaxy A21, 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 lot better photographs and videos than Galaxy A21, because although it has a smaller aperture, it also counts with a way larger back camera sensor taking lot better quality photos and videos, a lot higher video definition and a way more MP back-facing camera.
Xiaomi Redmi Note 9 Pro has greater battery lifetime than Samsung Galaxy A21, because it has a 26% bigger battery capacity.
Although Xiaomi Redmi Note 9 Pro is a better device, it costs a lot more money than the Galaxy A21, and it doesn't have such a good price and quality relation as the Galaxy A21. So if you want that extra specs, you can buy the Xiaomi Redmi Note 9 Pro, but if you don't you can save a couple dollars and buy the Galaxy A21, letting go a couple specs and features.
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