Compare phones
| Global Score | |
| 79.5 | 85.5 |
| Basic Information | |
| Samsung | Samsung |
| -- | Android 11, 10 |
| 2016-03-11 | 2019-12-27 |
| 5.61 x 2.74 x 0.31 inches | 6.24 x 2.90 x 0.31 inches |
| 5.36 ounces | 6.07 ounces |
| Black, Gold, Pink, Pink gold, Silver and White | Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white |
| Aluminum and Glass (Corning Gorilla Glass 4) | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 124.00 | $ 282.00 |
| Display / Screen | |
| 5.1 inches | 6.5 inches |
| 2560 x 1440 pixels (Quad HD / 2K) | 2400 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 576 pixels per inch | 405 pixels per inch |
| 855 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.6 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 820 MSM8996 chipset | Samsung Exynos 9611 chipset |
| Kryo, 64-bit, 14 nm (Quad-Core 2200 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 530 GPU | Mali-G72 MP3 GPU |
| 9 | 9.27 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 200 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 8.56 | 14.14 |
| Camera | |
| 12.00 MP + 5.00 MP | 48.00 MP + 32.00 MP |
| f/1.70 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.4 inches (1/2.5") 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 (240 fps) (HD) slow motion video | 1280 x 720 (240 fps) (HD) slow motion video |
| 9.79 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 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 |
| 6.7 | 6.7 |
| Battery Life | |
| 3000mAh Li - Ion Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 4.96 | 5.92 |
| Other Features | |
| Bluetooth 4.2 | 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 |
Comparison review
Galaxy A51 is slightly better than the Galaxy S7, with a general score of 85.5 against 79.5. The Galaxy A51 is a somewhat heavier cellphone than Galaxy S7, but both are equally thin. The Galaxy A51 counts with a bit better processor than Samsung Galaxy S7, and although they both have a 4 GB RAM memory, the Galaxy A51 also has a higher number of cores (and also faster).
The Galaxy S7 features a sharper screen than Samsung Galaxy A51, because although it has a really smaller display, it also counts with a greater amount of pixels per inch of display and a better resolution of 1440 x 2560px. The Galaxy A51 captures much better pictures and videos than Galaxy S7, because although it has a tinier diafragm aperture which is not good for low light photos and videos, and they both have the same 30 frames per second video frame rate and the same 3840x2160 video definition, the Galaxy A51 also counts with a camera in the back with a lot better 48 MP resolution and a bigger camera sensor.
Samsung Galaxy A51 features a much greater memory capacity for applications and games than Samsung Galaxy S7, because it has 96 GB more internal storage capacity and a SD card slot that admits a maximum of 512 GB. The Samsung Galaxy A51 features superior battery life than Galaxy S7, because it has a 33% more battery size.
Although Samsung Galaxy A51 is a better device, it costs a lot more than the Galaxy S7, and it doesn't have such a good quality/price relation as the Galaxy S7. So if you need that extra features and specs, you can buy Samsung Galaxy A51, otherwise you can save a couple dollars and buy the Galaxy S7, letting go some specifications.
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