Compare phones
| Global Score | |
| 71.6 | 91.8 |
| Basic Information | |
| OnePlus | Samsung |
| Android 11, 10, 9.0 Pie | Android 11 |
| 2019-05-21 | 2021-01-29 |
| 6.21 x 2.94 x 0.32 inches | 5.97 x 2.80 x 0.31 inches |
| 6.42 ounces | 6.03 ounces |
| Mirror gray | Gray, Phantom pink, Violet and White |
| Glass (Corning Gorilla Glass 5) and Metal | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 319.00 | $ 722.00 |
| Display / Screen | |
| 6.4 inches | 6.2 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| AMOLED | Dynamic AMOLED |
| 403 pixels per inch | 424 pixels per inch |
| -- | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.2 | 9.2 |
| Performance | |
| Qualcomm Snapdragon 855 chipset | Qualcomm Snapdragon 888 chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 6 GB RAM | 8 GB RAM |
| Adreno 640 GPU | Adreno 660 GPU |
| 9.63 | 9.63 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 10.1 |
| Camera | |
| 48.00 MP + 16.00 MP | 12.00 MP + 10.00 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 | 7680 x 4320 (24 fps) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 11.88 | 10.78 |
| 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 | |
| 3700mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.68 | 5.92 |
| 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, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Samsung Galaxy S21 has a global score of 91.8, which is way better than OnePlus 7's 71.6 general score. Both of these devices come with the same Android 11 OS (Operating System). Samsung Galaxy S21's construction is newer, a little bit lighter and just a bit thinner than the OnePlus 7. The Galaxy S21 has a better display than OnePlus 7, because although it has a quite smaller screen, it also counts with a quite greater pixels amount in each inch in the screen and a little higher 1080 x 2400 resolution.
The Samsung Galaxy S21 counts with a processor that is just as good as the OnePlus 7 one, and although the Samsung Galaxy S21 has a larger amount of RAM memory, they both have a Octa-Core processing unit. The OnePlus 7 features a better camera than Samsung Galaxy S21, because although it has a tinier camera sensor offering a lower image quality, and they both have the same video resolution, the OnePlus 7 also counts with a larger aperture, better video frame rates and a lot more MP back facing camera.
The Samsung Galaxy S21's storage for apps and games is very similar to the OnePlus 7 one, both have the same internal storage. The Samsung Galaxy S21 features just a bit better battery life than OnePlus 7, because it has a 4000mAh battery capacity.
Galaxy S21 is way more expensive than the OnePlus 7, but you can get a much better phone for that extra dollars.
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