Compare phones
| Global Score | |
| 90.8 | 77 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 11, 10, 9.0 Pie |
| 2020-04-29 | 2019-10-05 |
| 6.26 x 2.90 x 0.34 inches | 6.43 x 3.05 x 0.31 inches |
| 6.60 ounces | 6.46 ounces |
| Prism cube black | Black, Blue, Green and Red |
| Aluminum and Plastic | Plastic |
| Scratch-Resistant Glass | -- |
| $ 339.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.5 inches |
| 2400 x 1080 pixels | 1560 x 720 pixels |
| Super AMOLED | TFT |
| 405 pixels per inch | 264 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 7.2 |
| Performance | |
| Samsung Exynos 980 chipset | Qualcomm Snapdragon 450 SDM450 (14 nm) chipset |
| ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | Cortex-A53 (Octa-Core 1800 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Mali-G76 MP5 GPU | Adreno 506 GPU |
| 9.27 | 8.91 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| microSDXC (up to 1000 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 15.38 | 11.74 |
| Camera | |
| 48.00 MP + 32.00 MP | 13.00 MP + 8.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | 27.00mm focal length |
| 0.5 inches (1/2") sensor | 0.25 inches (1/4") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | -- |
| 11.55 | 8.91 |
| 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) and HSDPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.7 | 6.6 |
| Battery Life | |
| 4500mAh Li - Polymer Battery | 4000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.2 |
| 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 Galaxy A51 5G is better than Galaxy A20s, getting a general score of 90.8 against 77. These devices use the same Android 11 OS, so you shouldn't notice any differences regarding OS features. Even being the best cellphone in this comparison, we must highlight that it is also a little bit thicker and a little bit heavier.
Samsung Galaxy A51 5G has a little faster processor than Galaxy A20s, and although they both have a Octa-Core CPU, the Samsung Galaxy A51 5G also has a larger amount of RAM memory. The Galaxy A51 5G features a sharper screen than Samsung Galaxy A20s, and although they both have a display with the same size, the Galaxy A51 5G also has a much better resolution of 1080 x 2400px and a lot more pixels per inch in the display.
The Galaxy A51 5G features a superior memory for applications and games than Galaxy A20s, because it has more internal storage capacity and an external memory slot that supports a maximum of 1000 GB. Galaxy A51 5G counts with just a little bit longer battery life than Galaxy A20s, because it has a 13% bigger battery capacity.
The Galaxy A51 5G features a lot better camera than Galaxy A20s, because although it has a tinier camera aperture which is not nice for capturing photographs and/or video in low light environments, it also counts with a much better resolution back facing camera, a much larger back-facing camera sensor which provides a lot better image and video quality and a way higher video definition.
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