Compare phones
| Global Score | |
| 79.2 | 85.5 |
| Basic Information | |
| Samsung | Samsung |
| -- | Android 11, 10 |
| 2018-01-06 | 2019-12-27 |
| 5.87 x 2.78 x 0.33 inches | 6.24 x 2.90 x 0.31 inches |
| 6.07 ounces | 6.07 ounces |
| Black, Blue, Gold and Orchid grey | Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white |
| Aluminum and Glass (Corning Gorilla Glass 5) | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 282.00 |
| Display / Screen | |
| 5.6 inches | 6.5 inches |
| 2220 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 441 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 8.3 | 8.1 |
| Performance | |
| Samsung Exynos 5 Octa 7885 chipset | Samsung Exynos 9611 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-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 |
| Mali-G71 GPU | Mali-G72 MP3 GPU |
| 9.18 | 9.27 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 10.78 | 14.14 |
| Camera | |
| 16.00 MP + 16.00 MP | 48.00 MP + 32.00 MP |
| f/1.70 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (240 fps) (HD) slow motion video |
| 9.24 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.3 | 6.7 |
| Battery Life | |
| 3000mAh Li - Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 4.96 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | 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 | FM Radio |
Comparison review
Galaxy A51 is just a bit better than Samsung Galaxy A8 (2018), having an 85.5 score against 79.2. The Galaxy A51 is a a little thinner cellphone than the Samsung Galaxy A8 (2018), but both have equal weights. Galaxy A8 (2018) features a bit more vivid display than Samsung Galaxy A51, because although it has a little smaller screen and a quite lower resolution of 1080 x 2220px, it also counts with a just a bit better pixel density.
Samsung Galaxy A51 has a superior storage to install applications and games than Galaxy A8 (2018), because it has a slot for SD memory cards that allows up to 512 GB and more internal memory. The Galaxy A51 features a bit more powerful processing unit than Samsung Galaxy A8 (2018). Both of them have the same RAM memory amount and the same number of cores.
Galaxy A51 has longer battery lifetime than Galaxy A8 (2018), because it has a 33% more battery size. Samsung Galaxy A51 captures much better pictures and videos than Samsung Galaxy A8 (2018), because although it has a tinier aperture which is worse for low-light photography and videos, it also counts with a much higher 3840x2160 video quality and a lot more megapixels camera in the back.
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