Compare phones
| Global Score | |
| 90.8 | 83 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | Android 10 |
| 2020-04-29 | 2021-01-18 |
| 6.26 x 2.90 x 0.34 inches | 6.37 x 3.04 x 0.36 inches |
| 6.60 ounces | 7.02 ounces |
| Prism cube black | Daybreak purple and Nightfall black |
| Aluminum and Plastic | Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 339.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.5 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| Super AMOLED | IPS LCD |
| 405 pixels per inch | 396 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.1 |
| Performance | |
| Samsung Exynos 980 chipset | MediaTek Dimensity 800U chipset |
| ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | ARM Cortex-A76 and ARM Cortex-A55, 64-bit, 7 nm (Octa-Core 2400 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Mali-G76 MP5 GPU | Mali-G57 MC3 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 | 48.00 MP + 13.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | -- |
| 0.5 inches (1/2") 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 (480 fps) (HD) slow motion video | 1920 x 1080 (120 fps) (Full HD) slow motion video |
| 11.55 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.7 | 10.7 |
| Battery Life | |
| 4500mAh Li - Polymer Battery | 5000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.1 |
| 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 Samsung Galaxy A51 5G is slightly better than the Xiaomi Redmi Note 9T, getting a overall score of 90.8 against 83. Both of these phones have Android OS, but Samsung Galaxy A51 5G has 11 version while Xiaomi Redmi Note 9T has Android 10, giving you lots of additional features and performance tweaks. Even when Samsung Galaxy A51 5G and the Xiaomi Redmi Note 9T were released with only a couple months difference, Samsung Galaxy A51 5G is a little lighter and a little thinner.
Xiaomi Redmi Note 9T counts with a little better performance than Galaxy A51 5G, although it has a smaller amount of RAM, they both have a Octa-Core CPU. Xiaomi Redmi Note 9T features a display that's very similar to the Galaxy A51 5G one, and although the Xiaomi Redmi Note 9T has a bit lower display density and a quite lower 1080 x 2340 pixels resolution, they both have a display of the same size.
Xiaomi Redmi Note 9T has a camera that is very similar to Samsung Galaxy A51 5G's camera, and although the Xiaomi Redmi Note 9T has a bigger aperture to take better low light photography and videos, they both have a 48 megapixels back camera, the same 30 fps video frame rate, the same 3840x2160 (4K) video quality and the same back-facing camera sensor size.
Galaxy A51 5G features a much better memory capacity for applications, games, photos and videos than Xiaomi Redmi Note 9T, because it has an external SD slot that holds up to 1000 GB and 128 GB internal storage. The Xiaomi Redmi Note 9T features just a little better battery lifetime than Galaxy A51 5G, because it has 5000mAh of battery capacity against 4500mAh.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.