Compare phones
| Global Score | |
| 80.9 | 85.5 |
| Basic Information | |
| Samsung | Samsung |
| Android 5.0 | Android 11, 10 |
| -- | 2019-12-27 |
| 5.78 x 2.90 x 0.35 inches | 6.24 x 2.90 x 0.31 inches |
| -- | 6.07 ounces |
| -- | Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white |
| -- | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 245.00 | $ 282.00 |
| Display / Screen | |
| 5.1 inches | 6.5 inches |
| 1440 x 2560 pixels (Quad HD / 2K) | 2400 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 576 pixels per inch | 405 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 9.9 | 8.1 |
| Performance | |
| Exynos 7 Octa 7420 chipset | Samsung Exynos 9611 chipset |
| 64-bit ARM Cortex-A57 (Quad-Core 2100 MHz + Quad-Core 1500 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 3 GB (1600 MHz) RAM | 4 GB RAM |
| Mali-T760 MP8 (650 MHz) GPU | Mali-G72 MP3 GPU |
| 10.08 | 9.27 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSD external memory slot | microSDXC (up to 512 GB) external memory slot |
| 5.8 | 14.14 |
| Camera | |
| 16.00 MP + 5.00 MP | 48.00 MP + 32.00 MP |
| f/1.90 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| 0.38 inches (1/2.6") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (240 fps) (HD) slow motion video |
| 8.47 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA, HSUPA, UMTS, EDGE, GPRS and GSM | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.6 | 6.7 |
| Battery Life | |
| 3500mAh Battery | 4000mAh Li - Polymer Battery |
| Removable Battery | Non-Removable Battery |
| 5.44 | 5.92 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | -- |
| 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
The Samsung Galaxy A51 is just a bit better than the Samsung Galaxy S6 Active, getting a general score of 85.5 against 80.9. These phones include Android operating system, but the Samsung Galaxy A51 has 11 version while Samsung Galaxy S6 Active has Android 5.0, counting with lots of additional features and increased performance.
The Galaxy S6 Active features a much more vibrant display than Samsung Galaxy A51, because although it has a lot smaller display, it also counts with more pixels per screen inch and a better 2560 x 1440 resolution. The Samsung Galaxy A51 counts with a lot bigger storage capacity for games and applications than Galaxy S6 Active, because it has 128 GB internal storage.
Galaxy S6 Active features a little better hardware performance than Galaxy A51, because although it has a smaller amount of RAM, and they both have a Octa-Core CPU, the Galaxy S6 Active also counts with a 64-bits CPU and an additional graphics processor. Galaxy A51 has a little longer battery duration than Samsung Galaxy S6 Active, because it has a 4000mAh battery capacity.
The Galaxy A51 features a way better camera than Galaxy S6 Active, because although it has a tinier diafragm aperture, and they both have the same video frame rate and the same 3840x2160 video definition, the Galaxy A51 also counts with a back facing camera with a way better 48 mega-pixels resolution and a much larger sensor which provides a much better photo and video quality.
Galaxy A51 costs more money than the Galaxy S6 Active, but you can get a better phone for that extra money.
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