Compare phones
| Global Score | |
| 85.5 | 78.2 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | Android 10 |
| 2019-12-27 | 2021-01-18 |
| 6.24 x 2.90 x 0.31 inches | 6.39 x 3.04 x 0.38 inches |
| 6.07 ounces | 6.98 ounces |
| Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white | Carbon gray, Ocean green, Sunrise orange and Twilight blue |
| Plastic and Plastic | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 282.00 | -- |
| 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 |
| Performance | |
| Samsung Exynos 9611 chipset | Qualcomm Snapdragon 662 SM6115 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 260, 64-bit, 11 nm (Octa-Core 2000 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Mali-G72 MP3 GPU | Adreno 610 GPU |
| 9.27 | 9.09 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 14.14 | 11.74 |
| Camera | |
| 48.00 MP + 32.00 MP | 48.00 MP + 8.00 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 | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | -- |
| 11.55 | 10.78 |
| 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 | |
| 4000mAh Li - Polymer Battery | 6000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy A51 is a bit better than Xiaomi Redmi 9T, with a overall score of 85.5 against 78.2. Despite of the fact that Galaxy A51 is older than the Xiaomi Redmi 9T, it's construction is somewhat thinner and lighter. Both of these phones use Android OS, but Galaxy A51 has a newer 11 version while Xiaomi Redmi 9T has Android 10 version, offering a couple additional features and increased performance.
The Samsung Galaxy A51 counts with a bit more vivid display than Xiaomi Redmi 9T, and although they both have a display of the same size, the Samsung Galaxy A51 also has a slightly better 1080 x 2400 resolution and a bit greater pixel density. The Galaxy A51 counts with a much greater storage capacity to store more apps and games than Xiaomi Redmi 9T, and although they both have a SD memory slot that allows a maximum of 512 GB, the Galaxy A51 also has 128 GB internal storage.
The Samsung Galaxy A51 features just a bit better processing power than Xiaomi Redmi 9T. They have the same RAM amount and 8 cpu cores. The Samsung Galaxy A51 features a little bit better camera than Xiaomi Redmi 9T, because although it has a tinier aperture, and they both have a 0.5 inches back camera sensor and a 48 megapixels camera, the Samsung Galaxy A51 also counts with a lot better (4K) video quality.
Xiaomi Redmi 9T counts with a much longer battery life than Samsung Galaxy A51, because it has 6000mAh of battery capacity.
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