Compare phones
| Global Score | |
| 71.8 | 90.8 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 6.0 Marshmallow | Android 11, 10 |
| 2017-02-14 | 2020-04-29 |
| 5.94 x 2.99 x 0.33 inches | 6.26 x 2.90 x 0.34 inches |
| 5.82 ounces | 6.60 ounces |
| 16 777 216 | Prism cube black |
| Metal | Aluminum and Plastic |
| -- | Scratch-Resistant Glass |
| $ 145.00 | $ 339.00 |
| 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 |
| No touch screen | No touch screen |
| 8 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 625 8953 chipset | Samsung Exynos 980 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 2000 MHz) processor | ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| Adreno 506 GPU | Mali-G76 MP5 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 1000 GB) external memory slot |
| 8.12 | 15.38 |
| Camera | |
| 13.00 MP + 5.00 MP | 48.00 MP + 32.00 MP |
| f/2.00 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 (120 fps) (HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 9.02 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G) and HSPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Micro SIM | Nano SIM |
| 6.1 | 10.7 |
| Battery Life | |
| 4100mAh Li - Polymer Battery | 4500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6 | 6.32 |
| 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 |
Comparison review
The Galaxy A51 5G has a general score of 90.8, which is way better than Xiaomi Redmi Note 4X's global score of 71.8. Galaxy A51 5G is a notably newer cellphone than Xiaomi Redmi Note 4X, although it's just a bit thicker and heavier. Both devices in our current comparison use Android OS, but Galaxy A51 5G has older 11 version and Xiaomi Redmi Note 4X has Android 6.0 Marshmallow.
Samsung Galaxy A51 5G features a little more vivid screen than Xiaomi Redmi Note 4X, because it has a bigger display, a slightly higher resolution of 1080 x 2400 pixels and a just a bit better pixels count in each inch in the screen. Samsung Galaxy A51 5G features a bit better processing power than Xiaomi Redmi Note 4X, and although they both have 8 CPU cores, the Samsung Galaxy A51 5G also has 3 GB more RAM.
Samsung Galaxy A51 5G features a very superior storage for games and applications than Xiaomi Redmi Note 4X, because it has more internal memory and a slot for external memory cards that allows a maximum of 1000 GB. The Samsung Galaxy A51 5G captures way better pictures and videos than Xiaomi Redmi Note 4X, and although they both have a F2 aperture, the Samsung Galaxy A51 5G also has a back camera with a lot better 48 mega pixels resolution and a much better 3840x2160 video definition.
Samsung Galaxy A51 5G counts with just a little better battery life than Xiaomi Redmi Note 4X, because it has 4500mAh of battery capacity.
The Galaxy A51 5G costs a lot more money than Xiaomi Redmi Note 4X, but you can get a much better phone for that few more dollars.
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