Compare phones
| Global Score | |
| 81.9 | 90.8 |
| Basic Information | |
| Samsung | Samsung |
| -- | Android 11, 10 |
| 2017-08-11 | 2020-04-29 |
| 5.99 x 2.95 x 0.39 inches | 6.26 x 2.90 x 0.34 inches |
| 7.34 ounces | 6.60 ounces |
| Gold and Gray | Prism cube black |
| -- | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 245.00 | $ 339.00 |
| Display / Screen | |
| 5.8 inches | 6.5 inches |
| 2960 x 1440 pixels | 2400 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 568 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 8.9 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 835 MSM8998 chipset | Samsung Exynos 980 chipset |
| Kryo 280, 64-bit, 10 nm (Octa-Core 2350 MHz) processor | ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Adreno 540 GPU | Mali-G76 MP5 GPU |
| 9.27 | 9.27 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 1000 GB) external memory slot |
| 10.78 | 15.38 |
| Camera | |
| 12.00 MP + 8.00 MP | 48.00 MP + 32.00 MP |
| f/1.70 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.39 inches (1/2.55") 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 (480 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) and HSDPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 6.6 | 10.7 |
| Battery Life | |
| 4000mAh Li - Ion Battery | 4500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 5.92 | 6.32 |
| Other Features | |
| Bluetooth 5.1, EDR | 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 5G is better than the Galaxy S8 Active, with a global score of 90.8 against 81.9. Galaxy A51 5G's design is noticeably newer, somewhat thinner and somewhat lighter than the Galaxy S8 Active. The Samsung Galaxy S8 Active and the Samsung Galaxy A51 5G both count with extremely similar CPUs, and although the Samsung Galaxy A51 5G has a higher amount of RAM memory, they both have 8 cores.
The Galaxy S8 Active features a little bit better screen than Samsung Galaxy A51 5G, because although it has a bit smaller display, it also counts with a greater amount of pixels per inch of display and a higher 1440 x 2960 resolution. The Galaxy A51 5G captures much clearer photos and videos than Samsung Galaxy S8 Active, because although it has a tinier diafragm aperture, and they both have the same 30 frames per second video frame rate and the same (4K) video quality, the Galaxy A51 5G also counts with a much bigger back camera sensor providing a much higher image quality and a much more megapixels back camera.
The Galaxy A51 5G has much more storage capacity for applications, games, photos and videos than Galaxy S8 Active, because it has a SD memory card expansion slot that supports a maximum of 1000 GB and 128 GB internal storage capacity. Galaxy A51 5G has a little better battery duration than Samsung Galaxy S8 Active, because it has 4500mAh of battery capacity instead of 4000mAh.
The Galaxy A51 5G is more expensive than Galaxy S8 Active, but it's still a great deal, as you can get a much better phone for that extra money.
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