Compare phones
| Global Score | |
| 76 | 90.8 |
| Basic Information | |
| OnePlus | Samsung |
| Android 11 | Android 11, 10 |
| 2021-04-02 | 2020-04-29 |
| 6.30 x 2.92 x 0.34 inches | 6.26 x 2.90 x 0.34 inches |
| 6.77 ounces | 6.60 ounces |
| Arctic Sky, Astral Black and Winter Mist | Prism cube black |
| Aluminum and Glass (Corning Gorilla Glass) | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 700.00 | $ 339.00 |
| Display / Screen | |
| 6.5 inches | 6.5 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| AMOLED | Super AMOLED |
| 405 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 8.2 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Samsung Exynos 980 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 8 GB RAM | 6 GB RAM |
| Adreno 660 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/1.80 aperture | f/2.00 aperture |
| 23.00mm focal length | 26.00mm focal length |
| 0.71 inches (1/1.4") sensor | 0.5 inches (1/2") sensor |
| 7680 x 4320 (30 fps) 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 |
| 12.65 | 11.55 |
| 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 Battery | 4500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.32 | 6.32 |
| Other Features | |
| Bluetooth 5.2 | 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
The Galaxy A51 5G is much better than the OnePlus 9, getting a score of 90.8 against 76. The Galaxy A51 5G is a a bit lighter device than the OnePlus 9, but they have the same thickness. Both devices in our current comparison have the same Android 11 operating system. The OnePlus 9 counts with a bit better looking display than Samsung Galaxy A51 5G. They have a higher pixel quantity per inch in the screen, an equal 1080 x 2400 pixels resolution and a display with the same size.
Galaxy A51 5G counts with a lot bigger storage capacity for apps and games than OnePlus 9, and although they both have exactly the same 128 GB internal memory capacity, the Galaxy A51 5G also has a SD memory card expansion slot that holds a maximum of 1000 GB. OnePlus 9 has just a little better processing power than Samsung Galaxy A51 5G, and although they both have the same number of cores, the OnePlus 9 also has a greater amount of RAM.
Galaxy A51 5G counts with a battery lifetime that's very similar to the OnePlus 9 one. OnePlus 9 shoots just a bit better videos and photos than Samsung Galaxy A51 5G, and although they both have the same resolution back-facing camera, the OnePlus 9 also has a much larger back-facing camera sensor which provides a way higher photo and video quality, a way better video resolution and a larger camera aperture.
The Galaxy A51 5G not only is the best devices in our current comparison, but it's also by far the cheapest.
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