Compare phones
| Global Score | |
| 90.8 | 81.3 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 10 |
| 2020-04-29 | 2020-04-27 |
| 6.26 x 2.90 x 0.34 inches | 6.27 x 2.88 x 0.34 inches |
| 6.60 ounces | 6.53 ounces |
| Prism cube black | Prism Crush black, Prism Crush blue, Prism Crush red and Prism Crush white |
| Aluminum and Plastic | Plastic |
| Scratch-Resistant Glass | -- |
| $ 339.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.4 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 405 pixels per inch | 411 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.1 |
| Performance | |
| Samsung Exynos 980 chipset | MediaTek Helio P65 MT6768 chipset |
| ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Mali-G76 MP5 GPU | Mali-G52 MC2 GPU |
| 9.27 | 9.09 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| microSDXC (up to 1000 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 15.38 | 11.74 |
| Camera | |
| 48.00 MP + 32.00 MP | 48.00 MP + 20.00 MP |
| f/2.00 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | -- |
| 11.55 | 10.89 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.7 | 6.7 |
| Battery Life | |
| 4500mAh Li - Polymer Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | 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 | -- |
Comparison review
The Galaxy A51 5G is much better than Galaxy A31, having a score of 90.8 against 81.3. Galaxy A51 5G's design has the same thickness than Galaxy A31, but it's a bit heavier. Both phones we compare here work with Android OS, but the Galaxy A51 5G has the newer 11 version and Galaxy A31 has Android 10 version, so it counts with some additional features and performance enhancements.
Samsung Galaxy A31 has a screen that is very similar to Galaxy A51 5G's display, because although the Samsung Galaxy A31 has a little bit smaller display, and they both have the same 1080 x 2400 pixels resolution, it also counts with a quite higher screen density. Samsung Galaxy A51 5G features a lot bigger memory capacity to install applications and games or saving photos and videos than Samsung Galaxy A31, because it has 128 GB internal storage capacity and an external memory slot that supports a maximum of 1000 GB.
Galaxy A51 5G has a little bit better processing power than Samsung Galaxy A31, and although they both have the same number of cores, the Galaxy A51 5G also has 2 GB more RAM memory. The Galaxy A51 5G has a slightly better camera than Samsung Galaxy A31, and although they both have a 0.5 inches sensor, a back facing camera with a 48 MP resolution and a F2 diafragm aperture, the Galaxy A51 5G also has a lot higher 3840x2160 video definition.
The Samsung Galaxy A31 counts with just a little bit longer battery performance than Samsung Galaxy A51 5G, because it has a 5000mAh battery size.
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