Compare phones
| Global Score | |
| 72.3 | 85.5 |
| Basic Information | |
| OnePlus | Samsung |
| -- | Android 11, 10 |
| 2019-05-17 | 2019-12-27 |
| 6.40 x 2.99 x 0.35 inches | 6.24 x 2.90 x 0.31 inches |
| 7.27 ounces | 6.07 ounces |
| Almond, Mirror gray and Nebula blue | 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 |
| $ 302.00 | $ 282.00 |
| Display / Screen | |
| 6.7 inches | 6.5 inches |
| 3120 x 1440 pixels | 2400 x 1080 pixels |
| AMOLED | Super AMOLED |
| 513 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 8.7 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 855 chipset | Samsung Exynos 9611 chipset |
| Kryo 485, 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 |
| 6 GB RAM | 4 GB RAM |
| Adreno 640 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/1.60 aperture | f/2.00 aperture |
| 17.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") 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 |
| 11.99 | 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 | |
| 4000mAh Li - Ion Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 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 better than OnePlus 7 Pro, getting a global score of 85.5 against 72.3. Although Samsung Galaxy A51 and the OnePlus 7 Pro were released only a couple months apart, Samsung Galaxy A51 is somewhat thinner and somewhat lighter. OnePlus 7 Pro has a little bit better looking display than Galaxy A51, because it has a little bit bigger display, a better resolution of 1440 x 3120 and a higher quantity of pixels per screen inch.
OnePlus 7 Pro has a bit superior processor than Galaxy A51, and although they both have a Octa-Core processor, the OnePlus 7 Pro also has more RAM. The Samsung Galaxy A51 counts with a much better memory for applications and games than OnePlus 7 Pro, and although they both have equal internal memory capacity, the Samsung Galaxy A51 also has an external memory card slot that holds a maximum of 512 GB.
The Galaxy A51's battery duration is just as good as OnePlus 7 Pro's battery duration. OnePlus 7 Pro takes a bit better photographs and videos than Samsung Galaxy A51, and although they both have a same size back camera sensor, a camera in the back with a 48 mega-pixels resolution and the same (4K) video resolution, the OnePlus 7 Pro also has higher video frame rate and a larger aperture to take better low light images.
Despite of being the best phone of the ones in this comparison, the Samsung Galaxy A51 is also cheaper, which makes it easy to pick between these devices.
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