Compare phones
| Global Score | |
| 76.6 | 91.8 |
| Basic Information | |
| OnePlus | Samsung |
| Android 11 | Android 11 |
| 2021-04-02 | 2021-01-29 |
| 6.43 x 2.90 x 0.34 inches | 5.97 x 2.80 x 0.31 inches |
| 6.95 ounces | 6.03 ounces |
| Forest Green, Morning Mist and Stellar Black | Gray, Phantom pink, Violet and White |
| Glass (Corning Gorilla Glass) | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 890.00 | $ 722.00 |
| Display / Screen | |
| 6.7 inches | 6.2 inches |
| 3216 x 1440 pixels | 2400 x 1080 pixels |
| AMOLED | Dynamic AMOLED |
| 526 pixels per inch | 424 pixels per inch |
| -- | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.8 | 9.2 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 888 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 8 GB RAM | 8 GB RAM |
| Adreno 660 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/1.80 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 | 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 |
| 12.65 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 10.7 | 10.7 |
| Battery Life | |
| 4500mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 6.32 | 5.92 |
| 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, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Samsung Galaxy S21 is better than OnePlus 9 Pro, getting a general score of 91.8 against 76.6. Both phones in our current comparison use the same Android 11 OS (Operating System), so you shouldn't see any difference regarding operating system features. Although Samsung Galaxy S21 and OnePlus 9 Pro were released with only a couple months difference, Samsung Galaxy S21 is somewhat lighter and a little thinner.
The Samsung Galaxy S21 and OnePlus 9 Pro feature incredibly similar processing units, both have the same number of cores and a 8 GB RAM. Galaxy S21 features a bit sharper display than OnePlus 9 Pro, although it has a way worse 1080 x 2400 resolution, a quite smaller screen and a bit inferior pixels quantity per display inch.
The OnePlus 9 Pro features a superior camera than Samsung Galaxy S21, and although they both have the same 7680x4320 video quality and a same size aperture, the OnePlus 9 Pro also has a lot bigger back camera sensor, a back facing camera with much more MP and faster 30 fps video frame rate. Galaxy S21 has as much storage capacity for apps and games as the OnePlus 9 Pro one, they have exactly the same internal memory capacity.
The OnePlus 9 Pro counts with just a bit better battery duration than Samsung Galaxy S21, because it has a 13% bigger battery size.
Despite of being the best phone between the ones we are comparing, the Galaxy S21 is also by far the cheapest one, which makes this phone a great choice.
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