Compare phones
| Global Score | |
| 76 | 91.8 |
| Basic Information | |
| OnePlus | Samsung |
| Android 11 | Android 11 |
| 2021-04-02 | 2021-01-29 |
| 6.30 x 2.92 x 0.34 inches | 5.97 x 2.80 x 0.31 inches |
| 6.77 ounces | 6.03 ounces |
| Arctic Sky, Astral Black and Winter Mist | Gray, Phantom pink, Violet and White |
| Aluminum and Glass (Corning Gorilla Glass) | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 700.00 | $ 722.00 |
| Display / Screen | |
| 6.5 inches | 6.2 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| AMOLED | Dynamic AMOLED |
| 405 pixels per inch | 424 pixels per inch |
| -- | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.2 | 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
The Galaxy S21 has a general score of 91.8, which is a lot better than the OnePlus 9's overall score of 76. Even though Galaxy S21 and the OnePlus 9 were only released 2 months apart, Galaxy S21 is lighter and a bit thinner. Both phones we compare here use the same Android 11 operating system. The Samsung Galaxy S21 features a much better display than OnePlus 9, because although it has a little smaller display, and they both have the same exact 1080 x 2400px resolution, the Samsung Galaxy S21 also counts with a just a little better display density.
The Galaxy S21's CPU is just as good as OnePlus 9's processing unit, both of them have a Octa-Core processing unit and 8 GB of RAM memory. Galaxy S21's storage capacity for games and applications is just as good as the OnePlus 9 one, both have exactly the same 128 GB internal storage capacity. The OnePlus 9 has just a little bit longer battery life than Galaxy S21, because it has a 13 percent more battery size.
The OnePlus 9 counts with a better camera than Samsung Galaxy S21, and although they both have the same 7680x4320 video definition and a same size aperture, the OnePlus 9 also has a much bigger sensor capturing more light and vivid colors, a way better 48 megapixels resolution back camera and higher video frame rate.
Samsung Galaxy S21 costs a little more money than OnePlus 9, but you can get a much better phone for that few extra dollars.
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