Compare phones
| Global Score | |
| 87.7 | 90.8 |
| Basic Information | |
| Samsung | Samsung |
| Android 10 | Android 11, 10 |
| 2020-09-11 | 2020-04-29 |
| 6.45 x 3.00 x 0.37 inches | 6.26 x 2.90 x 0.34 inches |
| 7.51 ounces | 6.60 ounces |
| Black and White | Prism cube black |
| Plastic and Plastic | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 339.00 |
| Display / Screen | |
| 6.7 inches | 6.5 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED Plus | Super AMOLED |
| 385 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 8 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 730 SM7150-AA chipset | Samsung Exynos 980 chipset |
| Kryo 470, 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 |
| 6 GB RAM | 6 GB RAM |
| Adreno 618 GPU | Mali-G76 MP5 GPU |
| 9.27 | 9.27 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 1000 GB) external memory slot |
| 14.14 | 15.38 |
| Camera | |
| 64.00 MP + 32.00 MP | 48.00 MP + 32.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.57 inches (1/1.76") sensor | 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 |
| 11.88 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 7000mAh Battery | 4500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 8.32 | 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 | FM Radio |
Comparison review
Galaxy A51 5G has a general score of 90.8, which is a little bit better than Galaxy M51's 87.7 overall score. Although the Galaxy A51 5G and Galaxy M51 were released with only 5 months difference, the Galaxy A51 5G is just a little thinner and lighter. Both of these devices include Android operating system, but the Galaxy A51 5G has the newer 11 version while Galaxy M51 has Android 10 version, counting with a couple additional features and better performance.
Galaxy A51 5G features just a bit better display than Samsung Galaxy M51, because although it has a little bit smaller screen, it also counts with a just a little higher screen density and a slightly higher 1080 x 2400 resolution. The Galaxy A51 5G has a processing unit that's just as good as the Samsung Galaxy M51 one, both have the same RAM amount and a Octa-Core CPU.
Galaxy A51 5G has a little bit better storage for games and applications than Galaxy M51, and although they both have the same internal storage capacity, the Galaxy A51 5G also has an external memory card slot that allows a maximum of 1000 GB. The Samsung Galaxy M51 has a way better battery life than Galaxy A51 5G, because it has a 7000mAh battery capacity.
The Samsung Galaxy M51 features a bit better camera than Samsung Galaxy A51 5G, and although they both have the same 30 fps video frame rate and the same video definition, the Samsung Galaxy M51 also has a lot higher resolution back camera, a larger camera sensor which offers a better photo and video quality and a bigger aperture to take better images and videos in low-light situations.
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