Compare phones
| Global Score | |
| 75 | 85.5 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 9.0 Pie, 8.1 Oreo, 8.0 Oreo, 7.1 Nougat | Android 11, 10 |
| 2017-09-12 | 2019-12-27 |
| 6.12 x 2.98 x 0.29 inches | 6.24 x 2.90 x 0.31 inches |
| 5.82 ounces | 6.07 ounces |
| Black, Gold and Pink | 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 |
| 1920 x 1080 pixels (Full HD) | 2400 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 401 pixels per inch | 405 pixels per inch |
| 450 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 625 8953 chipset | Samsung Exynos 9611 chipset |
| ARM Cortex-A53, 64-bit, 14 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 |
| Adreno 506 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 | 26.00mm focal length |
| -- | 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 (120 fps) (HD) slow motion video | 1280 x 720 (240 fps) (HD) slow motion video |
| 9.35 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.1 | 6.7 |
| Battery Life | |
| 3080mAh Li - Ion Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.04 | 5.92 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Samsung Galaxy A51 is better than the Xiaomi Mi A1, having an 85.5 score against 75. Although the Samsung Galaxy A51 is extremely newer than the Xiaomi Mi A1, it's a bit thicker and just a little heavier. Both phones in this comparison have Android OS (Operating System), but the Samsung Galaxy A51 has the previous 11 version while Xiaomi Mi A1 has Android 9.0 Pie.
Xiaomi Mi A1 features a little sharper display than Galaxy A51, although it has a little bit worse pixel density, a quite lower resolution of 1080 x 1920px and a bit smaller display. The Galaxy A51 features a bit more powerful processing unit than Xiaomi Mi A1. They have 8 processing cores and the same RAM amount.
The Samsung Galaxy A51 has a very superior storage for games and applications than Xiaomi Mi A1, because it has 128 GB internal storage capacity and an external memory card slot that allows a maximum of 512 GB. Galaxy A51 has longer battery performance than Xiaomi Mi A1, because it has a 4000mAh battery capacity instead of 3080mAh.
The Samsung Galaxy A51 takes much clearer photos and videos than Xiaomi Mi A1, and although they both have the same 3840x2160 video definition and the same video frame rates, the Samsung Galaxy A51 also has a larger diafragm aperture to take better low light photography and video and a much more mega pixels camera.
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