Compare phones
| Global Score | |
| 90.8 | 81.1 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | Android 10 |
| 2020-04-29 | 2020-05-05 |
| 6.26 x 2.90 x 0.34 inches | 6.53 x 3.02 x 0.35 inches |
| 6.60 ounces | 7.37 ounces |
| Prism cube black | Glacier white, Interstellar gray and Tropical green |
| Aluminum and Plastic | Glass (Corning Gorilla Glass 5) and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 339.00 | $ 291.00 |
| Display / Screen | |
| 6.5 inches | 6.7 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | IPS LCD |
| 405 pixels per inch | 393 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8 |
| Performance | |
| Samsung Exynos 980 chipset | Qualcomm Snapdragon 720G SM7125 chipset |
| ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | Kryo 465, 64-bit, 8 nm (Octa-Core 2300 MHz) processor |
| 6 GB RAM | 6 GB RAM |
| Mali-G76 MP5 GPU | Adreno 618 GPU |
| 9.27 | 9.36 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| microSDXC (up to 1000 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 15.38 | 11.74 |
| Camera | |
| 48.00 MP + 32.00 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 |
| 1280 x 720 (480 fps) (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 |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.7 | 6.7 |
| Battery Life | |
| 4500mAh Li - Polymer Battery | 5020mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 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, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Galaxy A51 5G is better than Xiaomi Redmi Note 9 Pro, getting a 90.8 score against 81.1. Both of these phones include Android operating system, but the Galaxy A51 5G has a newer 11 version while Xiaomi Redmi Note 9 Pro has Android 10 version, so it offers some additional features. Even though Galaxy A51 5G and Xiaomi Redmi Note 9 Pro were released with only a couple months difference, Galaxy A51 5G is a bit thinner and somewhat lighter.
Xiaomi Redmi Note 9 Pro has a bit better processor than Galaxy A51 5G. They have the same number of cores and a 6 GB RAM memory. The Samsung Galaxy A51 5G has a bit more vivid display than Xiaomi Redmi Note 9 Pro, because although it has a little smaller display, and they both have exactly the same resolution of 1080 x 2400px, the Samsung Galaxy A51 5G also counts with a just a bit greater pixel density.
Xiaomi Redmi Note 9 Pro shoots slightly better photos and videos than Samsung Galaxy A51 5G, and although they both have the same video frame rates and the same video definition, the Xiaomi Redmi Note 9 Pro also has a camera in the back with a lot higher 64 mega pixels resolution, a bigger aperture for better photos and videos in low light situations and a larger back camera sensor which offers a higher photo and video quality.
The Galaxy A51 5G features a superior storage for applications and games than Xiaomi Redmi Note 9 Pro, because it has more internal storage and a SD extension slot that holds a maximum of 1000 GB. Xiaomi Redmi Note 9 Pro has just a bit longer battery duration than Samsung Galaxy A51 5G, because it has 5020mAh of battery capacity.
The Samsung Galaxy A51 5G is more expensive than the Xiaomi Redmi Note 9 Pro, but you can get a better phone for that extra money.
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