Compare phones
| Global Score | |
| 78.2 | 85.5 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 10 | Android 11, 10 |
| 2021-01-18 | 2019-12-27 |
| 6.39 x 3.04 x 0.38 inches | 6.24 x 2.90 x 0.31 inches |
| 6.98 ounces | 6.07 ounces |
| Carbon gray, Ocean green, Sunrise orange and Twilight blue | Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white |
| Plastic and Plastic | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 282.00 |
| 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 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 662 SM6115 chipset | Samsung Exynos 9611 chipset |
| Kryo 260, 64-bit, 11 nm (Octa-Core 2000 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Adreno 610 GPU | Mali-G72 MP3 GPU |
| 9.09 | 9.27 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 11.74 | 14.14 |
| Camera | |
| 48.00 MP + 8.00 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 |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (240 fps) (HD) slow motion video |
| 10.78 | 11.55 |
| 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 Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy A51 has an overall score of 85.5, which is a bit better than the Xiaomi Redmi 9T's 78.2 global score. Both of these devices have Android operating system, but the Galaxy A51 has the newer 11 version and Xiaomi Redmi 9T has Android 10, so it gives some nice extra features and increased performance. Although Galaxy A51 is older than Xiaomi Redmi 9T, it's body is somewhat thinner and lighter.
The Galaxy A51 has a bit better CPU than Xiaomi Redmi 9T. Both have a 4 GB RAM memory and 8 CPU cores. Galaxy A51 features a bit more vivid display than Xiaomi Redmi 9T, and although they both have a screen with the same size, the Galaxy A51 also has a slightly better 1080 x 2400 pixels resolution and a little bit higher pixels density.
Galaxy A51 features a way bigger storage to store more apps and games than Xiaomi Redmi 9T, and although they both have a SD card slot that allows a maximum of 512 GB, the Galaxy A51 also has 128 GB internal storage. The Xiaomi Redmi 9T features a very superior battery lifetime than Samsung Galaxy A51, because it has a 50% bigger battery size.
Samsung Galaxy A51 features a bit better camera than Xiaomi Redmi 9T, because although it has a tinier diafragm aperture which is not recommended for taking photographs and video in low-light environments, and they both have a same size sensor and a same resolution camera, the Samsung Galaxy A51 also counts with a much higher video quality.
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