Compare phones
| Global Score | |
| 85.5 | 83 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | Android 10 |
| 2019-12-27 | 2021-01-18 |
| 6.24 x 2.90 x 0.31 inches | 6.37 x 3.04 x 0.36 inches |
| 6.07 ounces | 7.02 ounces |
| Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white | Daybreak purple and Nightfall black |
| Plastic and Plastic | 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 | 8.1 |
| Performance | |
| Samsung Exynos 9611 chipset | MediaTek Dimensity 800U chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | ARM Cortex-A76 and ARM Cortex-A55, 64-bit, 7 nm (Octa-Core 2400 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Mali-G72 MP3 GPU | Mali-G57 MC3 GPU |
| 9.27 | 9.36 |
| 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 + 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 (240 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 |
| 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, Dual SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 5000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 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 has an overall score of 85.5, which is slightly better than Xiaomi Redmi Note 9T's global score of 83. Samsung Galaxy A51 is an older phone than the Xiaomi Redmi Note 9T, but it is somewhat lighter and thinner anyway. Both phones we are comparing come with Android operating system, but the Samsung Galaxy A51 has 11 version while Xiaomi Redmi Note 9T has Android 10, so it counts with some additional features.
The Xiaomi Redmi Note 9T counts with a bit better processing power than Samsung Galaxy A51. Both have the same RAM amount and the same number of cores. The Samsung Galaxy A51 and the Xiaomi Redmi Note 9T have extremely similar screens, and although the Xiaomi Redmi Note 9T has a bit worse 1080 x 2340 pixels resolution and a just a little worse count of pixels per inch in the screen, they both have a display with the same size.
Samsung Galaxy A51 features a superior storage to store more games and applications than Xiaomi Redmi Note 9T, and although they both have an external SD slot that supports up to 512 GB, the Samsung Galaxy A51 also has more internal storage capacity. The Xiaomi Redmi Note 9T counts with a camera that is just as good as the camera in Samsung Galaxy A51, and although the Xiaomi Redmi Note 9T has a larger camera aperture to take better low light photos and videos, they both have the same 30 fps video frame rates, a 48 MP resolution back facing camera, a 0.5 inches back-facing camera sensor and the same 3840x2160 (4K) video resolution.
The Xiaomi Redmi Note 9T has longer battery life than Galaxy A51, because it has a 5000mAh battery size instead of 4000mAh.
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