Compare phones
| Global Score | |
| 90.8 | 76 |
| Basic Information | |
| Samsung | OnePlus |
| Android 11, 10 | Android 11 |
| 2020-04-29 | 2021-04-02 |
| 6.26 x 2.90 x 0.34 inches | 6.30 x 2.92 x 0.34 inches |
| 6.60 ounces | 6.77 ounces |
| Prism cube black | Arctic Sky, Astral Black and Winter Mist |
| Aluminum and Plastic | Aluminum and Glass (Corning Gorilla Glass) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 339.00 | $ 700.00 |
| Display / Screen | |
| 6.5 inches | 6.5 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | AMOLED |
| 405 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.2 |
| Performance | |
| Samsung Exynos 980 chipset | Qualcomm Snapdragon 888 chipset |
| ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 6 GB RAM | 8 GB RAM |
| Mali-G76 MP5 GPU | Adreno 660 GPU |
| 9.27 | 9.63 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 1000 GB) external memory slot | No SD card slot |
| 15.38 | 10.1 |
| Camera | |
| 48.00 MP + 32.00 MP | 48.00 MP + 16.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | 23.00mm focal length |
| 0.5 inches (1/2") sensor | 0.71 inches (1/1.4") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (30 fps) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 11.55 | 12.65 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 10.7 | 10.7 |
| Battery Life | |
| 4500mAh Li - Polymer Battery | 4500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.32 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2 |
| 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
Galaxy A51 5G has a global score of 90.8, which is much better than OnePlus 9's overall score of 76. Both of these devices work with the same Android 11 operating system, so both of them should count with the same OS features. The Galaxy A51 5G construction has the same thickness than the OnePlus 9, but it's a bit lighter.
OnePlus 9 counts with a bit more vivid display than Galaxy A51 5G. Both have the same exact resolution of 1080 x 2400 pixels, the same count of pixels in each inch in the display and a screen with the same size. Galaxy A51 5G counts with much more memory capacity to store more apps and games than OnePlus 9, and although they both have equal 128 GB internal storage, the Galaxy A51 5G also has a SD memory slot that holds a maximum of 1000 GB.
OnePlus 9 has just a little better performance than Galaxy A51 5G, and although they both have a Octa-Core CPU, the OnePlus 9 also has 2 GB more RAM. The OnePlus 9 shoots clearer pictures and videos than Galaxy A51 5G, and although they both have the same resolution back facing camera, the OnePlus 9 also has a much higher video resolution, a bigger diafragm aperture and a lot bigger sensor taking much higher quality photos and videos.
The OnePlus 9's battery duration is just as good as the Galaxy A51 5G one.
Samsung Galaxy A51 5G is not only the best phones of the ones in this comparison, but it's also by far the cheapest.
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