Compare phones
| Global Score | |
| 87.7 | 76 |
| Basic Information | |
| Samsung | OnePlus |
| Android 10 | Android 11 |
| 2020-09-11 | 2021-04-02 |
| 6.45 x 3.00 x 0.37 inches | 6.30 x 2.92 x 0.34 inches |
| 7.51 ounces | 6.77 ounces |
| Black and White | Arctic Sky, Astral Black and Winter Mist |
| Plastic and Plastic | Aluminum and Glass (Corning Gorilla Glass) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 700.00 |
| Display / Screen | |
| 6.7 inches | 6.5 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED Plus | AMOLED |
| 385 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 8 | 8.2 |
| Performance | |
| Qualcomm Snapdragon 730 SM7150-AA chipset | Qualcomm Snapdragon 888 chipset |
| Kryo 470, 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 |
| Adreno 618 GPU | Adreno 660 GPU |
| 9.27 | 9.63 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 14.14 | 10.1 |
| Camera | |
| 64.00 MP + 32.00 MP | 48.00 MP + 16.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | 23.00mm focal length |
| 0.57 inches (1/1.76") 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 |
| 11.88 | 12.65 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 7000mAh Battery | 4500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 8.32 | 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
The Samsung Galaxy M51 is much better than the OnePlus 9, with a overall score of 87.7 against 76. Although it's the best in this review, we must highlight that it's also a little bit heavier and a little bit thicker. These phones work with Android OS (operating system), but the Samsung Galaxy M51 has 10 version while OnePlus 9 has Android 11 version.
The OnePlus 9 features a bit sharper display than Samsung Galaxy M51, because although it has a quite smaller screen, it also counts with a quite better resolution of 1080 x 2400 and a little bit more pixels per inch of display. OnePlus 9 counts with a bit better processing unit than Samsung Galaxy M51, and although they both have 8 cpu cores, the OnePlus 9 also has a greater amount of RAM.
The OnePlus 9 captures a little bit better photos and videos than Samsung Galaxy M51, because although it has a camera with a much worse resolution, and they both have the same diafragm aperture, the OnePlus 9 also counts with a lot larger camera sensor providing a way better image quality and a lot better 7680x4320 video quality.
The Galaxy M51 features a much bigger storage capacity to install applications and games or saving photos and videos than OnePlus 9, and although they both have the same internal storage, the Galaxy M51 also has a slot for external memory cards that allows up to 512 GB. The Galaxy M51 has a superior battery lifetime than OnePlus 9, because it has 7000mAh of battery capacity instead of 4500mAh.
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