Compare phones
| Global Score | |
| 77 | 85.5 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10, 9.0 Pie | Android 11, 10 |
| 2019-10-05 | 2019-12-27 |
| 6.43 x 3.05 x 0.31 inches | 6.24 x 2.90 x 0.31 inches |
| 6.46 ounces | 6.07 ounces |
| Black, Blue, Green and Red | Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white |
| Plastic | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| -- | $ 282.00 |
| Display / Screen | |
| 6.5 inches | 6.5 inches |
| 1560 x 720 pixels | 2400 x 1080 pixels |
| TFT | Super AMOLED |
| 264 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 7.2 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 450 SDM450 (14 nm) chipset | Samsung Exynos 9611 chipset |
| Cortex-A53 (Octa-Core 1800 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Adreno 506 GPU | Mali-G72 MP3 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 512 GB) external memory slot |
| 11.74 | 14.14 |
| Camera | |
| 13.00 MP + 8.00 MP | 48.00 MP + 32.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 27.00mm focal length | 26.00mm focal length |
| 0.25 inches (1/4") 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 (240 fps) (HD) slow motion video |
| 8.91 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.6 | 6.7 |
| Battery Life | |
| 4000mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 5.92 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| -- | 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
The Samsung Galaxy A51 has a general score of 85.5, which is much better than the Samsung Galaxy A20s's 77 general score. Samsung Galaxy A51 is a a little lighter phone than Samsung Galaxy A20s, but both have the same thickness. Both of these phones work with the same Android 11 operating system, so both should provide all the same OS features.
Galaxy A51 counts with a better looking display than Galaxy A20s, and although they both have a same size screen, the Galaxy A51 also has a way higher 1080 x 2400 resolution and a way better amount of pixels per inch of screen. Samsung Galaxy A51 features a little faster processing unit than Samsung Galaxy A20s. Both have the same RAM memory amount and the same number of cores.
Galaxy A51 counts with a much better storage for games and applications than Galaxy A20s, and although they both have an external memory slot that admits a maximum of 512 GB, the Galaxy A51 also has 128 GB internal memory. The Galaxy A51's battery lifetime is just as good as the Galaxy A20s one. The Galaxy A51 has a much better camera than Galaxy A20s, because although it has a tinier aperture which is not nice for low light captures and videos, it also counts with a much more mega pixels camera in the back, a much bigger camera sensor providing a much better image quality and a much higher (4K) video quality.
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