Compare phones
| Global Score | |
| 90.8 | 89.5 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | -- |
| 2020-04-29 | 2021-05-31 |
| 6.26 x 2.90 x 0.34 inches | 6.44 x 3.01 x 0.31 inches |
| 6.60 ounces | 6.91 ounces |
| Prism cube black | Celestial Silver, Cosmic Black and Frosty White |
| Aluminum and Plastic | Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 339.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.7 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | AMOLED |
| 405 pixels per inch | 393 pixels per inch |
| -- | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 9.1 |
| Performance | |
| Samsung Exynos 980 chipset | Qualcomm Snapdragon 888 SM8350 chipset |
| ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 6 GB RAM | 8 GB RAM |
| Mali-G76 MP5 GPU | Adreno 660 GPU |
| 9.27 | 9.63 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 1000 GB) external memory slot | No SD card slot |
| 15.38 | 10.1 |
| Camera | |
| 48.00 MP + 32.00 MP | 108.00 MP + 20.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | -- |
| 0.5 inches (1/2") sensor | -- |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (30 fps) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | 3840 x 2160 (60 fps) (4K) slow motion video |
| 11.55 | 12.87 |
| 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 | Nano SIM, Dual SIM |
| 10.7 | 10.7 |
| Battery Life | |
| 4500mAh Li - Polymer Battery | 4520mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 6.4 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2 |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Galaxy A51 5G has a general score of 90.8, which is a bit better than Xiaomi Mi 11i's 89.5 overall score. The Galaxy A51 5G is an older and a bit thicker device than the Xiaomi Mi 11i, but Samsung managed to build it a little lighter anyway. The Xiaomi Mi 11i features a brighter display than Galaxy A51 5G, because although it has a little bit less pixels per inch of screen, and they both have exactly the same 1080 x 2400 pixels resolution, the Xiaomi Mi 11i also counts with a quite larger display.
Xiaomi Mi 11i has a little faster processing unit than Galaxy A51 5G, and although they both have a Octa-Core processing unit, the Xiaomi Mi 11i also has more RAM. The Xiaomi Mi 11i counts with a superior camera than Galaxy A51 5G, because it has a larger camera aperture to capture better captures in low-light situations, a back facing camera with a way higher resolution and a lot higher 7680x4320 video definition.
The Galaxy A51 5G has a way bigger storage capacity to install games and applications than Xiaomi Mi 11i, and although they both have exactly the same 128 GB internal memory, the Galaxy A51 5G also has a slot for an external memory card that admits a maximum of 1000 GB. Xiaomi Mi 11i has just a little better battery life than Samsung Galaxy A51 5G, because it has a 0 percent more battery capacity.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.