Compare phones
| Global Score | |
| 71.7 | 85.5 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 6.0 Marshmallow | Android 11, 10 |
| 2016-11-07 | 2019-12-27 |
| 5.56 x 2.74 x 0.35 inches | 6.24 x 2.90 x 0.31 inches |
| 5.50 ounces | 6.07 ounces |
| 16 777 216 | Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white |
| Metal | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| $ 133.00 | $ 282.00 |
| Display / Screen | |
| 5 inches | 6.5 inches |
| 1920 x 1080 pixels (Full HD) | 2400 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 441 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 8.2 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 625 8953 chipset | Samsung Exynos 9611 chipset |
| ARM Cortex-A53, 64-bit (Octa-Core 2000 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 3 GB RAM | 4 GB RAM |
| Adreno 506 GPU | Mali-G72 MP3 GPU |
| 9.09 | 9.27 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 8.12 | 14.14 |
| Camera | |
| 13.00 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 | Mobile Hotspot |
| LTE-A (4G), LTE (4G) and HSPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Micro SIM | Nano SIM, Dual SIM |
| 6.1 | 6.7 |
| Battery Life | |
| 4100mAh Li - Ion Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6 | 5.92 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, 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 much better than the Xiaomi Redmi 4 Prime, getting a general score of 85.5 against 71.7. Although the Samsung Galaxy A51 is just a little heavier than Xiaomi Redmi 4 Prime, it's thinner and way newer. Both of these devices come with Android OS (Operating System), but the Samsung Galaxy A51 has the previous 11 version while Xiaomi Redmi 4 Prime has Android 6.0 Marshmallow version.
The Xiaomi Redmi 4 Prime has a bit more vivid screen than Samsung Galaxy A51, because although it has a little bit worse resolution of 1080 x 1920px and a way smaller display, it also counts with a quite higher pixels amount per display inch. Galaxy A51 features a lot bigger memory capacity for games and applications than Xiaomi Redmi 4 Prime, because it has 128 GB internal memory capacity and a SD card slot that allows up to 512 GB.
Samsung Galaxy A51 features a bit faster CPU than Xiaomi Redmi 4 Prime, and although they both have a Octa-Core processor, the Samsung Galaxy A51 also has a higher amount of RAM. Xiaomi Redmi 4 Prime has a bit longer battery duration than Galaxy A51, because it has a 2 percent more battery capacity.
Samsung Galaxy A51 takes much clearer pictures and videos than Xiaomi Redmi 4 Prime, because it has a way more MP camera, a bigger camera aperture and a lot higher 3840x2160 video definition.
The Galaxy A51 is way more expensive than Xiaomi Redmi 4 Prime, but you can get a better phone for that extra dollars.
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