Compare phones
| Global Score | |
| 76 | 87.7 |
| Basic Information | |
| OnePlus | Samsung |
| Android 11 | Android 10 |
| 2021-04-02 | 2020-09-11 |
| 6.30 x 2.92 x 0.34 inches | 6.45 x 3.00 x 0.37 inches |
| 6.77 ounces | 7.51 ounces |
| Arctic Sky, Astral Black and Winter Mist | Black and White |
| Aluminum and Glass (Corning Gorilla Glass) | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 700.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.7 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| AMOLED | Super AMOLED Plus |
| 405 pixels per inch | 385 pixels per inch |
| No touch screen | No touch screen |
| 8.2 | 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
Galaxy M51 is better than the OnePlus 9, having an 87.7 score against 76. Both phones in this comparison review have Android OS (Operating System), but Galaxy M51 has older 10 version while OnePlus 9 has Android 11 version. Although it's the best phone we are comparing, it must be told that it's also just a little heavier and a little bit thicker.
The OnePlus 9 features a bit better looking screen than Samsung Galaxy M51, because although it has a little bit smaller display, it also counts with a quite better pixel quantity per inch of screen and a slightly higher 1080 x 2400 resolution. Galaxy M51 features a much better storage capacity for applications, games, photos and videos than OnePlus 9, and although they both have equal internal storage, the Galaxy M51 also has a SD memory card expansion slot that supports a maximum of 512 GB.
OnePlus 9 counts with a little bit better hardware performance than Samsung Galaxy M51, and although they both have the same number of cores, the OnePlus 9 also has a greater amount of RAM memory. The Galaxy M51 features a much longer battery duration than OnePlus 9, because it has 7000mAh of battery capacity.
OnePlus 9 shoots a bit better pictures and videos than Samsung Galaxy M51, because although it has a camera in the back with much less megapixels resolution, and they both have a F1.8 diafragm aperture, the OnePlus 9 also counts with a much higher 7680x4320 video definition and a lot larger camera sensor providing a lot higher image quality.
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