Compare phones
| Global Score | |
| 88.8 | 90.8 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11 | Android 11, 10 |
| 2021-02-08 | 2020-04-29 |
| 6.47 x 2.94 x 0.32 inches | 6.26 x 2.90 x 0.34 inches |
| 6.91 ounces | 6.60 ounces |
| Horizon blue and Midnight gray | Prism cube black |
| Glass and Metal | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 339.00 |
| Display / Screen | |
| 6.8 inches | 6.5 inches |
| 3200 x 1440 pixels | 2400 x 1080 pixels |
| AMOLED | Super AMOLED |
| 516 pixels per inch | 405 pixels per inch |
| 1500 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.8 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Samsung Exynos 980 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 8 GB RAM | 6 GB RAM |
| Adreno 660 GPU | Mali-G76 MP5 GPU |
| 9.63 | 9.27 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 1000 GB) external memory slot |
| 10.1 | 15.38 |
| Camera | |
| 108.00 MP + 20.00 MP | 48.00 MP + 32.00 MP |
| f/1.90 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| 0.75 inches (1/1.33") sensor | 0.5 inches (1/2") sensor |
| 7680 x 4320 (30 fps) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 13.75 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 7 | 10.7 |
| Battery Life | |
| 4600mAh Battery | 4500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.48 | 6.32 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.0 |
| 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
Galaxy A51 5G has a global score of 90.8, which is slightly better than Xiaomi Mi 11's 88.8 overall score. The Galaxy A51 5G design is just a little bit lighter than the Xiaomi Mi 11, although it's a bit thicker and was released around 10 months before. Both phones in this review work with the same Android 11 operating system, so both of them should provide identical operating system features.
The Xiaomi Mi 11 has an incredibly better looking display than Samsung Galaxy A51 5G, because it has a better pixels amount in each inch of screen, a little larger display and a higher resolution of 1440 x 3200. The Xiaomi Mi 11 counts with just a little better performance than Galaxy A51 5G, and although they both have 8 CPU cores, the Xiaomi Mi 11 also has a greater amount of RAM memory.
The Galaxy A51 5G features much more storage to store more games and applications than Xiaomi Mi 11, and although they both have equal internal memory, the Galaxy A51 5G also has a slot for external memory cards that holds a maximum of 1000 GB. The Xiaomi Mi 11 counts with a bit better battery life than Samsung Galaxy A51 5G, because it has a 2 percent more battery size.
The Xiaomi Mi 11 counts with a much better camera than Galaxy A51 5G, because it has a bigger camera aperture to take better low-light images and video, a much larger back camera sensor capturing more light and vivid colors, a much higher 108 megapixels resolution camera and a much better video definition.
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