Compare phones
| Global Score | |
| 76.6 | 87.7 |
| Basic Information | |
| OnePlus | Samsung |
| Android 11 | Android 10 |
| 2021-04-02 | 2020-09-11 |
| 6.43 x 2.90 x 0.34 inches | 6.45 x 3.00 x 0.37 inches |
| 6.95 ounces | 7.51 ounces |
| Forest Green, Morning Mist and Stellar Black | Black and White |
| Glass (Corning Gorilla Glass) | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 890.00 | -- |
| Display / Screen | |
| 6.7 inches | 6.7 inches |
| 3216 x 1440 pixels | 2340 x 1080 pixels |
| AMOLED | Super AMOLED Plus |
| 526 pixels per inch | 385 pixels per inch |
| No touch screen | No touch screen |
| 8.8 | 8 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 730 SM7150-AA chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 8 GB RAM | 6 GB RAM |
| Adreno 660 GPU | Adreno 618 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 | 64.00 MP + 32.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 23.00mm focal length | 26.00mm focal length |
| 0.71 inches (1/1.4") sensor | 0.57 inches (1/1.76") 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 | -- |
| 12.65 | 11.88 |
| 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 | Nano SIM, Dual SIM |
| 10.7 | 6.7 |
| Battery Life | |
| 4500mAh Battery | 7000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.32 | 8.32 |
| 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 M51 is better than OnePlus 9 Pro, having an 87.7 score against 76.6. Both devices in this review work with Android OS, but the Galaxy M51 has older 10 version and OnePlus 9 Pro has Android 11 version. Despite being the best in this comparison review, Galaxy M51 is a just a bit heavier and just a bit thicker phone than the OnePlus 9 Pro.
OnePlus 9 Pro counts with just a bit better hardware performance than Samsung Galaxy M51, and although they both have the same number of cores, the OnePlus 9 Pro also has a greater amount of RAM. The OnePlus 9 Pro has just a bit better display than Galaxy M51, and although they both have a same size screen, the OnePlus 9 Pro also has a greater screen pixel density and a better resolution of 1440 x 3216px.
Galaxy M51 counts with much more storage for games and applications than OnePlus 9 Pro, and although they both have equal internal storage, the Galaxy M51 also has a slot for external memory cards that admits up to 512 GB. The Galaxy M51 features a very superior battery performance than OnePlus 9 Pro, because it has a 7000mAh battery capacity against 4500mAh.
OnePlus 9 Pro has a slightly better camera than Galaxy M51, because although it has a back camera with a much lower 48 megapixels resolution, and they both have the same aperture, the OnePlus 9 Pro also counts with a lot higher video quality and a much larger back camera sensor shooting lot higher quality videos and photos.
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