Compare phones
| Global Score | |
| 85.5 | 80.9 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 5.0 |
| 2019-12-27 | -- |
| 6.24 x 2.90 x 0.31 inches | 5.78 x 2.90 x 0.35 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 |
| $ 282.00 | $ 245.00 |
| Display / Screen | |
| 6.5 inches | 5.1 inches |
| 2400 x 1080 pixels | 1440 x 2560 pixels (Quad HD / 2K) |
| Super AMOLED | Super AMOLED |
| 405 pixels per inch | 576 pixels per inch |
| No touch screen | Capacitive, Multi-touch |
| 8.1 | 9.9 |
| Performance | |
| Samsung Exynos 9611 chipset | Exynos 7 Octa 7420 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | 64-bit ARM Cortex-A57 (Quad-Core 2100 MHz + Quad-Core 1500 MHz) processor |
| 4 GB RAM | 3 GB (1600 MHz) RAM |
| Mali-G72 MP3 GPU | Mali-T760 MP8 (650 MHz) GPU |
| 9.27 | 10.08 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSD external memory slot |
| 14.14 | 5.8 |
| Camera | |
| 48.00 MP + 32.00 MP | 16.00 MP + 5.00 MP |
| f/2.00 aperture | f/1.90 aperture |
| 26.00mm focal length | -- |
| 0.5 inches (1/2") sensor | 0.38 inches (1/2.6") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (4K) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | -- |
| 11.55 | 8.47 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE (4G), HSPA, HSUPA, UMTS, EDGE, GPRS and GSM |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 6.6 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 3500mAh Battery |
| Non-Removable Battery | Removable Battery |
| 5.92 | 5.44 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.1 |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Galaxy A51 is a bit better than Galaxy S6 Active, having an 85.5 score against 80.9. Both phones in this comparison review have Android OS (operating system), but the Galaxy A51 has a newer 11 version while Galaxy S6 Active has Android 5.0. The Galaxy S6 Active features a much more vibrant display than Samsung Galaxy A51, because although it has a really smaller screen, it also counts with a higher pixel amount per screen inch and a better 2560 x 1440 resolution.
Samsung Galaxy S6 Active has a bit better processing unit than Galaxy A51, because although it has lesser RAM memory, and they both have a Octa-Core processor, the Samsung Galaxy S6 Active also counts with a 64-bits processor and an additional graphics processing unit. Galaxy A51 captures much clearer videos and photos than Galaxy S6 Active, because although it has a smaller camera aperture which is not favorable for taking photos and video in low-light environments, and they both have the same video resolution and the same video frame rates, the Galaxy A51 also counts with a lot higher resolution back facing camera and a way larger sensor providing a much higher image quality.
The Samsung Galaxy A51 counts with much more memory capacity for applications and games than Samsung Galaxy S6 Active, because it has 128 GB internal memory capacity. Galaxy A51 counts with just a little better battery life than Galaxy S6 Active, because it has 4000mAh of battery capacity.
Galaxy A51 costs more than Galaxy S6 Active, but it's still a great deal, because you can get a lot more for that extra money.
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