Compare phones
| Global Score | |
| 74.4 | 85.5 |
| Basic Information | |
| Samsung | Samsung |
| Android 8.0 Oreo, 6.0 Marshmallow | Android 11, 10 |
| 2016-03-30 | 2019-12-27 |
| 6.37 x 3.19 x 0.31 inches | 6.24 x 2.90 x 0.31 inches |
| 7.41 ounces | 6.07 ounces |
| Black, Gold and White | Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white |
| -- | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 282.00 |
| Display / Screen | |
| 6 inches | 6.5 inches |
| 1920 x 1080 pixels (Full HD) | 2400 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 367 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 7.8 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 652 8976 chipset | Samsung Exynos 9611 chipset |
| ARM Cortex-A72 and ARM Cortex-A53, 64-bit, 28 nm (Octa-Core 1800 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 510 GPU | Mali-G72 MP3 GPU |
| 8.91 | 9.27 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 8.88 | 14.14 |
| Camera | |
| 16.00 MP | 48.00 MP + 32.00 MP |
| f/1.90 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| 0.36 inches (1/2.8") sensor | 0.5 inches (1/2") sensor |
| -- | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (240 fps) (HD) slow motion video |
| 7.7 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G) and LTE (4G) | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 5.6 | 6.7 |
| Battery Life | |
| 5000mAh Li - Ion Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 5.92 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy A51 has a global score of 85.5, which is better than the Samsung Galaxy A9 Pro (2016)'s general score of 74.4. Both phones in this review use Android OS, but Galaxy A51 has older 11 version while Samsung Galaxy A9 Pro (2016) has Android 8.0 Oreo version. The Galaxy A51 construction has the same thickness than the Samsung Galaxy A9 Pro (2016), but it's lighter.
Galaxy A51 counts with a bit more vivid display than Galaxy A9 Pro (2016), because it has a bit higher 1080 x 2400 pixels resolution, a quite better display pixel density and a quite larger screen. Galaxy A51 features a bit more powerful processor than Samsung Galaxy A9 Pro (2016). They have 4 GB of RAM and the same number of cores.
The Samsung Galaxy A51 has a much bigger storage for games and applications than Galaxy A9 Pro (2016), because it has a slot for external memory cards that holds up to 512 GB and 128 GB internal storage. The Samsung Galaxy A51 counts with a lot better camera than Samsung Galaxy A9 Pro (2016), because although it has a smaller aperture, it also counts with a camera with much more mega-pixels and a lot bigger sensor providing a lot better image quality.
Samsung Galaxy A9 Pro (2016) has improved battery duration than Galaxy A51, because it has a 25 percent more battery size.
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