Compare phones
| Global Score | |
| 94.8 | 85.5 |
| Basic Information | |
| Samsung | Samsung |
| Android 13, 12, 11, 10 | Android 11, 10 |
| 2020-03-06 | 2019-12-27 |
| 5.97 x 2.72 x 0.31 inches | 6.24 x 2.90 x 0.31 inches |
| 5.78 ounces | 6.07 ounces |
| Cloud blue, Cloud pink, Cosmic grey and Cosmic white | Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white |
| Aluminum and Glass (Corning Gorilla Glass 6) | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 1000.00 | $ 282.00 |
| Display / Screen | |
| 6.2 inches | 6.5 inches |
| 3200 x 1440 pixels | 2400 x 1080 pixels |
| Dynamic AMOLED | Super AMOLED |
| 566 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 8.9 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 865 SM8250 (7 nm) chipset | Samsung Exynos 9611 chipset |
| Kryo 585, 64-bit, 7 nm (Octa-Core 2840 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 12 GB RAM | 4 GB RAM |
| Adreno 650 GPU | Mali-G72 MP3 GPU |
| 9.72 | 9.27 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 1000 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 15.38 | 14.14 |
| Camera | |
| 12.00 MP + 10.00 MP | 48.00 MP + 32.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.59 inches (1/1.7") sensor | 0.5 inches (1/2") sensor |
| 7680 x 4320 (24 fps) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1280 x 720 (240 fps) (HD) slow motion video |
| 10.78 | 11.55 |
| 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 | |
| 4000mAh Li - Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 5.92 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Samsung Galaxy S20 is much better than Samsung Galaxy A51, getting a score of 94.8 against 85.5. These phones come with Android OS, but Samsung Galaxy S20 has a more recent 13 version and Samsung Galaxy A51 has Android 11 version. Samsung Galaxy S20 is a a little bit lighter cellphone than Samsung Galaxy A51, but both of them are 0.31inches thick.
Samsung Galaxy S20 counts with a bit better processor than Galaxy A51, and although they both have 8 CPU cores, the Samsung Galaxy S20 also has a higher amount of RAM memory. The Samsung Galaxy S20 has just a bit better looking display than Galaxy A51, because although it has a quite smaller screen, it also counts with a better pixels density and a higher resolution of 1440 x 3200 pixels.
The Galaxy S20 counts with a slightly better memory to install applications and games than Samsung Galaxy A51, and although they both have the same 128 GB internal storage, the Galaxy S20 also has an external memory slot that supports a maximum of 1000 GB. The Samsung Galaxy A51 features a bit better camera than Galaxy S20, because although it has a tinier camera sensor shooting lower quality videos and pictures and a tinier camera aperture which is not nice for taking pictures and videos in low light situations, and they both have the same (4K) video resolution, the Samsung Galaxy A51 also counts with better 30 frames per second video frame rate and a back facing camera with a way higher 48 mega pixels resolution.
Galaxy A51's battery performance is just as good as Samsung Galaxy S20's battery lifetime.
Although Galaxy S20 is a better device, it is a lot more expensive than Galaxy A51, and it doesn't have such a good quality/price relation as Galaxy A51. If you want to save some dollars, you can get the Galaxy A51, giving up a few features and specs, but you'll get the most with your savings.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.