Compare phones
| Global Score | |
| 78.9 | 90.8 |
| Basic Information | |
| Samsung | Samsung |
| Android 10, 9.0 Pie, 8.1 Oreo | Android 11, 10 |
| 2019-02-05 | 2020-04-29 |
| 6.16 x 2.93 x 0.35 inches | 6.26 x 2.90 x 0.34 inches |
| 6.56 ounces | 6.60 ounces |
| Charcoal black and Ocean blue | Prism cube black |
| Plastic and Plastic | Aluminum and Plastic |
| -- | Scratch-Resistant Glass |
| -- | $ 339.00 |
| Display / Screen | |
| 6.3 inches | 6.5 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 409 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 8 | 8.1 |
| Performance | |
| Samsung Exynos 7 Octa 7904 chipset | Samsung Exynos 980 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor | ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Mali-G71 MP2 GPU | Mali-G76 MP5 GPU |
| 8.91 | 9.27 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 1000 GB) external memory slot |
| 11.74 | 15.38 |
| Camera | |
| 13.00 MP + 8.00 MP | 48.00 MP + 32.00 MP |
| f/1.90 aperture | f/2.00 aperture |
| 12.00mm focal length | 26.00mm focal length |
| 0.32 inches (1/3.1") sensor | 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 (480 fps) (HD) slow motion video |
| 9.02 | 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 | |
| 5000mAh Li - Polymer 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 and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Samsung Galaxy A51 5G has a general score of 90.8, which is better than Galaxy M20's overall score of 78.9. Samsung Galaxy A51 5G's body is newer and a bit thinner than Galaxy M20's, but it is also a little heavier. Both phones in this comparison come with Android OS (operating system), but Samsung Galaxy A51 5G has 11 version and Galaxy M20 has Android 10 version, so it gives you lots of additional features and improved performance.
The Galaxy A51 5G counts with a little better performance than Galaxy M20, and although they both have 8 cpu cores, the Galaxy A51 5G also has a larger amount of RAM. The Samsung Galaxy A51 5G has a slightly better looking display than Galaxy M20, because although it has a little worse count of pixels per inch of screen, it also counts with a quite larger display and a slightly higher 1080 x 2400 resolution.
The Galaxy A51 5G has a superior storage to store more games and applications than Galaxy M20, because it has an external memory card slot that admits up to 1000 GB and 128 GB internal storage capacity. Galaxy M20 features a little longer battery life than Galaxy A51 5G, because it has 5000mAh of battery capacity against 4500mAh.
The Samsung Galaxy A51 5G features a much better camera than Galaxy M20, because although it has a smaller aperture, it also counts with a lot better 3840x2160 (4K) video definition, a back facing camera with way more mega pixels and a way larger sensor providing a much better image quality.
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