Compare phones
| Global Score | |
| 72.5 | 85.5 |
| Basic Information | |
| Xiaomi | Samsung |
| Android | Android 11, 10 |
| -- | 2019-12-27 |
| 5.81 x 2.81 x 0.33 inches | 6.24 x 2.90 x 0.31 inches |
| 5.15 ounces | 6.07 ounces |
| Black, Blue, Gray and Yellow | Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white |
| Metal | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| -- | $ 282.00 |
| Display / Screen | |
| 5.5 inches | 6.5 inches |
| 1440 x 720 pixels | 2400 x 1080 pixels |
| -- | Super AMOLED |
| 293 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 7.4 | 8.1 |
| Performance | |
| MediaTek Helio P22 MT6762 chipset | Samsung Exynos 9611 chipset |
| ARM Cortex-A53, 64-bit, 12 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 |
| IMG PowerVR GE8320 GPU | Mali-G72 MP3 GPU |
| 9.09 | 9.27 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 10.78 | 14.14 |
| Camera | |
| 12.00 MP + 5.00 MP | 48.00 MP + 32.00 MP |
| f/2.20 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| -- | 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 |
| 8.8 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| -- | Mobile Hotspot |
| LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Dual SIM | Nano SIM, Dual SIM |
| 5.5 | 6.7 |
| Battery Life | |
| 3000mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 4.96 | 5.92 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Galaxy A51 has a global score of 85.5, which is better than Xiaomi Redmi 6's general score of 72.5. The Galaxy A51 has Android 11 operating system, and Xiaomi Redmi 6 works with Android operating system. Galaxy A51's design is a little bit thinner but heavier than the Xiaomi Redmi 6.
Samsung Galaxy A51 features a bit more powerful processor than Xiaomi Redmi 6. Both have a 4 GB RAM and the same number of cores. Galaxy A51 counts with a bit sharper screen than Xiaomi Redmi 6, because it has a larger screen, a higher amount of pixels per inch in the screen and a way higher 1080 x 2400 resolution.
Galaxy A51 counts with a much greater storage capacity for applications and games than Xiaomi Redmi 6, because it has a SD card slot that admits up to 512 GB and 128 GB internal memory capacity. Samsung Galaxy A51 has better battery lifetime than Xiaomi Redmi 6, because it has 4000mAh of battery capacity instead of 3000mAh.
The Galaxy A51 takes much better photos and videos than Xiaomi Redmi 6, because it has a lot higher (4K) video quality, a way more MP back-facing camera and a bigger camera aperture for better photography and video in poorly lited environments.
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