Compare phones
| Global Score | |
| 83 | 90.8 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 10 | Android 11, 10 |
| 2021-01-18 | 2020-04-29 |
| 6.37 x 3.04 x 0.36 inches | 6.26 x 2.90 x 0.34 inches |
| 7.02 ounces | 6.60 ounces |
| Daybreak purple and Nightfall black | Prism cube black |
| Plastic | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 339.00 |
| Display / Screen | |
| 6.5 inches | 6.5 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 396 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.1 |
| Performance | |
| MediaTek Dimensity 800U chipset | Samsung Exynos 980 chipset |
| ARM Cortex-A76 and ARM Cortex-A55, 64-bit, 7 nm (Octa-Core 2400 MHz) processor | ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Mali-G57 MC3 GPU | Mali-G76 MP5 GPU |
| 9.36 | 9.27 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 1000 GB) external memory slot |
| 11.74 | 15.38 |
| Camera | |
| 48.00 MP + 13.00 MP | 48.00 MP + 32.00 MP |
| f/1.80 aperture | f/2.00 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 |
| 1920 x 1080 (120 fps) (Full HD) slow motion video | 1280 x 720 (480 fps) (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, Dual SIM | Nano SIM |
| 10.7 | 10.7 |
| Battery Life | |
| 5000mAh Battery | 4500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 6.32 |
| Other Features | |
| Bluetooth 5.1 | 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 has a general score of 90.8, which is a little bit better than the Xiaomi Redmi Note 9T's score of 83. Although Galaxy A51 5G and the Xiaomi Redmi Note 9T were released only 9 months apart, Galaxy A51 5G is a little bit lighter and just a little thinner. Both of these phones come with Android OS (Operating System), but the Galaxy A51 5G has 11 version and Xiaomi Redmi Note 9T has Android 10, so it gives you a couple additional features.
Xiaomi Redmi Note 9T and Samsung Galaxy A51 5G feature very similar screens, and although the Samsung Galaxy A51 5G has a little higher display pixels density and a slightly higher 1080 x 2400 resolution, they both have a display with the same size. The Galaxy A51 5G has a way bigger storage to install games and applications than Xiaomi Redmi Note 9T, because it has 128 GB internal memory and an external SD slot that admits up to 1000 GB.
The Xiaomi Redmi Note 9T has a little bit better hardware performance than Galaxy A51 5G, although it has lesser RAM memory, they both have 8 CPU cores. The Samsung Galaxy A51 5G's camera is very similar to the camera in Xiaomi Redmi Note 9T, and although the Samsung Galaxy A51 5G has a tinier aperture which is not good for low light images and videos, they both have the same resolution camera in the back, the same video frame rates, the same back-facing camera sensor size and the same 3840x2160 (4K) video resolution.
Xiaomi Redmi Note 9T counts with just a little better battery duration than Galaxy A51 5G, because it has a 5000mAh battery size.
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