Compare phones
| Global Score | |
| 71.6 | 90.8 |
| Basic Information | |
| OnePlus | Samsung |
| Android 11, 10, 9.0 Pie | Android 11, 10 |
| 2019-05-21 | 2020-04-29 |
| 6.21 x 2.94 x 0.32 inches | 6.26 x 2.90 x 0.34 inches |
| 6.42 ounces | 6.60 ounces |
| Mirror gray | Prism cube black |
| Glass (Corning Gorilla Glass 5) and Metal | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 319.00 | $ 339.00 |
| Display / Screen | |
| 6.4 inches | 6.5 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| AMOLED | Super AMOLED |
| 403 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 8.2 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 855 chipset | Samsung Exynos 980 chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor | ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 6 GB RAM | 6 GB RAM |
| Adreno 640 GPU | Mali-G76 MP5 GPU |
| 9.63 | 9.27 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 1000 GB) external memory slot |
| 10.1 | 15.38 |
| Camera | |
| 48.00 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 | 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 (480 fps) (HD) slow motion video |
| 11.88 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 3700mAh Battery | 4500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.68 | 6.32 |
| 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 5G has an overall score of 90.8, which is way better than OnePlus 7's global score of 71.6. Both of these devices include the same Android 11 OS (Operating System), so both should provide the same operating system features. The Samsung Galaxy A51 5G design is newer, but a bit heavier and a bit thicker than the OnePlus 7.
OnePlus 7 has a little faster CPU than Galaxy A51 5G. They have the same number of cores and a 6 GB RAM memory. OnePlus 7 counts with a bit sharper display than Samsung Galaxy A51 5G, although it has a little bit worse resolution of 1080 x 2340, a bit lower display density and a little bit smaller display.
The OnePlus 7 features a little bit better camera than Galaxy A51 5G, and although they both have a 0.5 inches back camera sensor, the same video quality and a same resolution back-facing camera, the OnePlus 7 also has a larger diafragm aperture for better low-light photography and videos and faster 60 fps video frame rate.
Samsung Galaxy A51 5G counts with much more memory for applications, games, photos and videos than OnePlus 7, and although they both have equal internal storage, the Samsung Galaxy A51 5G also has an external memory slot that supports a maximum of 1000 GB. Samsung Galaxy A51 5G counts with improved battery performance than OnePlus 7, because it has a 4500mAh battery capacity against 3700mAh.
Samsung Galaxy A51 5G costs a bit more money than OnePlus 7, but you can get a much better phone for that few extra dollars.
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