Compare phones
| Global Score | |
| 77.2 | 85.5 |
| Basic Information | |
| OnePlus | Samsung |
| -- | Android 11, 10 |
| 2020-04-21 | 2019-12-27 |
| 6.51 x 2.93 x 0.33 inches | 6.24 x 2.90 x 0.31 inches |
| 7.02 ounces | 6.07 ounces |
| Glacial green | 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 |
| $ 747.00 | $ 282.00 |
| Display / Screen | |
| 6.8 inches | 6.5 inches |
| 3168 x 1440 pixels | 2400 x 1080 pixels |
| AMOLED | Super AMOLED |
| 512 pixels per inch | 405 pixels per inch |
| 1300 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.7 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 865 SM8250 chipset | Samsung Exynos 9611 chipset |
| Kryo 585, 64-bit, 7 nm (Octa-Core 2840 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 650 GPU | Mali-G72 MP3 GPU |
| 9.63 | 9.27 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 14.14 |
| Camera | |
| 48.00 MP + 16.00 MP | 48.00 MP + 32.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 25.00mm focal length | 26.00mm focal length |
| 0.71 inches (1/1.4") 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 |
| 12.21 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, 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 |
| 10.7 | 6.7 |
| Battery Life | |
| 4510mAh Li - Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.4 | 5.92 |
| Other Features | |
| Bluetooth 5.1 | 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 the OnePlus 8 Pro, having an 85.5 score against 77.2. Samsung Galaxy A51 is a lighter and a bit thinner phone than the OnePlus 8 Pro, although both of them were released only a couple months apart. The OnePlus 8 Pro features a bit better performance than Galaxy A51, and although they both have 8 cpu cores, the OnePlus 8 Pro also has a larger amount of RAM memory.
OnePlus 8 Pro has a better looking display than Galaxy A51, because it has a better number of pixels per screen inch, a bit larger screen and a higher resolution of 1440 x 3168px. The Samsung Galaxy A51 features a lot bigger storage capacity for apps and games than OnePlus 8 Pro, and although they both have equal 128 GB internal storage capacity, the Samsung Galaxy A51 also has an external memory card slot that supports a maximum of 512 GB.
The OnePlus 8 Pro has a bit superior battery life than Samsung Galaxy A51, because it has 4510mAh of battery capacity. OnePlus 8 Pro captures a little bit better pictures and videos than Samsung Galaxy A51, and although they both have the same video definition and the same resolution back camera, the OnePlus 8 Pro also has a much bigger sensor taking much better quality videos and pictures, a bigger aperture for better photos in low-light environments and better video frame rate.
Even being the best phone between the ones we are comparing, Galaxy A51 is also by far the cheapest.
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