Compare phones
| Global Score | |
| 73.3 | 85.5 |
| Basic Information | |
| OnePlus | Samsung |
| Android 11, 10, 9.0 Pie, 8.1 Oreo | Android 11, 10 |
| 2018-05-22 | 2019-12-27 |
| 6.13 x 2.97 x 0.31 inches | 6.24 x 2.90 x 0.31 inches |
| 6.24 ounces | 6.07 ounces |
| Black, Red and White | Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white |
| Glass (Corning Gorilla Glass 5) and Metal | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 211.00 | $ 282.00 |
| Display / Screen | |
| 6.3 inches | 6.5 inches |
| 2280 x 1080 pixels | 2400 x 1080 pixels |
| AMOLED | Super AMOLED |
| 400 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 845 SDM845 chipset | Samsung Exynos 9611 chipset |
| Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Adreno 630 GPU | Mali-G72 MP3 GPU |
| 9.63 | 9.27 |
| Storage | |
| 256 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 13.3 | 14.14 |
| Camera | |
| 16.00 MP + 16.00 MP | 48.00 MP + 32.00 MP |
| f/1.70 aperture | f/2.00 aperture |
| 25.00mm focal length | 26.00mm focal length |
| 0.38 inches (1/2.6") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | 1280 x 720 (240 fps) (HD) slow motion video |
| 10.45 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3300mAh Li - Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.28 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Samsung Galaxy A51 is much better than OnePlus 6, getting a general score of 85.5 against 73.3. The Samsung Galaxy A51 design has the same thickness than the OnePlus 6, but it's just a bit lighter. These phones include the same Android 11 OS (operating system). OnePlus 6 counts with a little faster CPU than Samsung Galaxy A51, and although they both have 8 cpu cores, the OnePlus 6 also has more RAM memory.
The Galaxy A51 and OnePlus 6 both count with really similar screens, although the Galaxy A51 also has a bit bigger display, a little better screen pixels density and a bit higher resolution of 1080 x 2400px. Galaxy A51 features slightly more memory capacity for games and applications than OnePlus 6, because although it has less internal storage capacity, it also counts with a SD memory card expansion slot that allows up to 512 GB.
Samsung Galaxy A51 features a better camera than OnePlus 6, because although it has lower 30 fps video frame rates and a tinier aperture which is worse for low-light photos, and they both have the same (4K) video resolution, the Samsung Galaxy A51 also counts with a way bigger sensor and a camera in the back with a lot better 48 mega-pixels resolution.
The Galaxy A51 features better battery performance than OnePlus 6, because it has a 21 percent bigger battery capacity.
The Galaxy A51 is more expensive than the OnePlus 6, but it's still a good choice, because you can get a lot more for that extra money.
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