Compare phones
| Global Score | |
| 87 | 90.8 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 11, 10 |
| 2020-11-06 | 2020-04-29 |
| 6.47 x 2.99 x 0.34 inches | 6.26 x 2.90 x 0.34 inches |
| 6.81 ounces | 6.60 ounces |
| Prism Dot black, Prism Dot grey and Prism Dot white | Prism cube black |
| -- | Aluminum and Plastic |
| -- | Scratch-Resistant Glass |
| -- | $ 339.00 |
| Display / Screen | |
| 6.6 inches | 6.5 inches |
| 1600 x 720 pixels | 2400 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 266 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 7.2 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 750G SM7225 chipset | Samsung Exynos 980 chipset |
| Kryo 570, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Adreno 619 GPU | Mali-G76 MP5 GPU |
| 9.18 | 9.27 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 1000 GB) external memory slot | microSDXC (up to 1000 GB) external memory slot |
| 15.38 | 15.38 |
| Camera | |
| 48.00 MP + 20.00 MP | 48.00 MP + 32.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| -- | 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 (480 fps) (HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 11.11 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 10.7 | 10.7 |
| Battery Life | |
| 5000mAh Battery | 4500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 6.32 |
| 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
Samsung Galaxy A51 5G has a global score of 90.8, which is slightly better than Galaxy A42's 87 overall score. Both phones in this comparison review work with the same Android 11 operating system, so both of them should give you all the same OS features. The Samsung Galaxy A51 5G is a just a little lighter device than the Galaxy A42, but they are equally thin.
Galaxy A51 5G features just a little better hardware performance than Galaxy A42, and although they both have a Octa-Core processing unit, the Galaxy A51 5G also has a greater amount of RAM memory. Galaxy A51 5G features a more vivid screen than Samsung Galaxy A42, because although it has a bit smaller screen, it also counts with a way greater pixel quantity per inch of display and a much better resolution of 1080 x 2400.
The Samsung Galaxy A51 5G features just a bit better camera than Galaxy A42, although it has a smaller diafragm aperture which is not recommended for capturing images and videos in low light situations, they both have the same video resolution, the same 30 frames per second video frame rates and the same resolution camera.
The Galaxy A51 5G's storage to store more apps and games is just as good as Samsung Galaxy A42's one, they have a SD card slot that supports a maximum of 1000 GB and the same 128 GB internal memory. Galaxy A42 counts with just a bit better battery performance than Galaxy A51 5G, because it has 5000mAh of battery capacity against 4500mAh.
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