Compare phones
| Global Score | |
| 71.6 | 87.7 |
| Basic Information | |
| OnePlus | Samsung |
| Android 11, 10, 9.0 Pie | Android 10 |
| 2019-05-21 | 2020-09-11 |
| 6.21 x 2.94 x 0.32 inches | 6.45 x 3.00 x 0.37 inches |
| 6.42 ounces | 7.51 ounces |
| Mirror gray | Black and White |
| Glass (Corning Gorilla Glass 5) and Metal | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 319.00 | -- |
| Display / Screen | |
| 6.4 inches | 6.7 inches |
| 2340 x 1080 pixels | 2340 x 1080 pixels |
| AMOLED | Super AMOLED Plus |
| 403 pixels per inch | 385 pixels per inch |
| No touch screen | No touch screen |
| 8.2 | 8 |
| Performance | |
| Qualcomm Snapdragon 855 chipset | Qualcomm Snapdragon 730 SM7150-AA chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor | Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 6 GB RAM | 6 GB RAM |
| Adreno 640 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/1.70 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.57 inches (1/1.76") 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 | -- |
| 11.88 | 11.88 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3700mAh Battery | 7000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.68 | 8.32 |
| 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
Galaxy M51 has a general score of 87.7, which is much better than OnePlus 7's 71.6 global score. Both of these phones come with Android OS (Operating System), but Galaxy M51 has the older 10 version and OnePlus 7 has Android 11. Galaxy M51 is a newer cellphone than OnePlus 7, although it is heavier and somewhat thicker.
OnePlus 7 features a little faster CPU than Galaxy M51. They have 6 GB of RAM and 8 processing cores. OnePlus 7 has a little bit better looking display than Samsung Galaxy M51, because although it has a quite smaller screen, and they both have the same exact resolution of 1080 x 2340px, the OnePlus 7 also counts with a little more pixels per inch in the display.
The Samsung Galaxy M51's camera is just as good as the camera in OnePlus 7, because although the Samsung Galaxy M51 has a smaller diafragm aperture which is not nice for taking photos in poorly lited environments and worse video frame rates, and they both have the same (4K) video quality, it also counts with a way more mega-pixels back camera and a bigger sensor shooting higher quality videos and photographs.
Galaxy M51 has a superior memory to store more games and applications than OnePlus 7, and although they both have the same internal memory, the Galaxy M51 also has a SD card slot that allows a maximum of 512 GB. The Galaxy M51 counts with a superior battery life than OnePlus 7, because it has an 89 percent more battery capacity.
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