Compare phones
| Global Score | |
| 91.8 | 76.6 |
| Basic Information | |
| Samsung | OnePlus |
| Android 11 | Android 11 |
| 2021-01-29 | 2021-04-02 |
| 5.97 x 2.80 x 0.31 inches | 6.43 x 2.90 x 0.34 inches |
| 6.03 ounces | 6.95 ounces |
| Gray, Phantom pink, Violet and White | Forest Green, Morning Mist and Stellar Black |
| Aluminum and Plastic | Glass (Corning Gorilla Glass) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 722.00 | $ 890.00 |
| Display / Screen | |
| 6.2 inches | 6.7 inches |
| 2400 x 1080 pixels | 3216 x 1440 pixels |
| Dynamic AMOLED | AMOLED |
| 424 pixels per inch | 526 pixels per inch |
| 1300 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.2 | 8.8 |
| 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 | |
| 12.00 MP + 10.00 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 |
| 7680 x 4320 (24 fps) video resolution | 7680 x 4320 (30 fps) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 10.78 | 12.65 |
| 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 | |
| 4000mAh Li - Polymer Battery | 4500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 5.92 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Galaxy S21 has a score of 91.8, which is much better than OnePlus 9 Pro's 76.6 general score. Both phones in this comparison use the same Android 11 OS (operating system), so both of them should offer all the same operating system features. Galaxy S21 is a just a little bit thinner and lighter phone than OnePlus 9 Pro, even though they were only released with a few months difference.
Samsung Galaxy S21 and OnePlus 9 Pro feature extremely similar processors, they have a Octa-Core processor and a 8 GB RAM. Samsung Galaxy S21 features just a bit better display than OnePlus 9 Pro, although it has a just a bit lower pixel quantity per screen inch, a little smaller display and a way worse resolution of 1080 x 2400.
OnePlus 9 Pro's memory for games and applications is just as good as the Galaxy S21 one, both of them have exactly the same 128 GB internal storage. OnePlus 9 Pro has a superior camera than Galaxy S21, and although they both have a F1.8 camera aperture and the same video definition, the OnePlus 9 Pro also has better video frame rate, a much bigger back-facing camera sensor capturing much higher quality videos and photos and a way higher resolution back facing camera.
The OnePlus 9 Pro counts with just a little bit longer battery duration than Galaxy S21, because it has a 4500mAh battery size.
Even being the best phone in our current comparison, the Galaxy S21 is also very cheap compared to the other phones, making this phone a great choice.
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