Compare phones
| Global Score | |
| 91.8 | 76 |
| Basic Information | |
| Samsung | OnePlus |
| Android 11 | -- |
| 2021-01-29 | 2020-04-21 |
| 5.97 x 2.80 x 0.31 inches | 6.31 x 2.87 x 0.31 inches |
| 6.03 ounces | 6.35 ounces |
| Gray, Phantom pink, Violet and White | Glacial green |
| Aluminum and Plastic | Aluminum and Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 722.00 | $ 330.00 |
| Display / Screen | |
| 6.2 inches | 6.5 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| Dynamic AMOLED | AMOLED |
| 424 pixels per inch | 405 pixels per inch |
| 1300 cd/m2 brightness | 1100 cd/m2 brightness |
| No touch screen | No touch screen |
| 9.2 | 9 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 865 SM8250 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo 585, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 8 GB RAM | 8 GB RAM |
| Adreno 660 GPU | Adreno 650 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 | 25.00mm focal length |
| 0.57 inches (1/1.76") sensor | 0.5 inches (1/2") sensor |
| 7680 x 4320 (24 fps) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 10.78 | 11.88 |
| 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, Dual SIM |
| 10.7 | 10.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 4300mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 5.92 | 6.16 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.1 |
| 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
Galaxy S21 has an overall score of 91.8, which is way better than the OnePlus 8's 76 global score. Galaxy S21 is a just a little lighter cellphone than OnePlus 8, but both of them are equally thin. The OnePlus 8's CPU is very similar to Galaxy S21's processor, both have 8 processing cores and 8 GB of RAM.
Galaxy S21 features a bit more vivid display than OnePlus 8, because although it has a bit smaller screen, and they both have the same 1080 x 2400 pixels resolution, the Galaxy S21 also counts with a little bit better screen pixel density and a little bit more display brightness. The Samsung Galaxy S21 and the OnePlus 8 both feature similar storage to store more apps and games, both of them have exactly the same 128 GB internal storage capacity.
The OnePlus 8 features just a bit longer battery lifetime than Samsung Galaxy S21, because it has an 8% bigger battery size. OnePlus 8 features a much better camera than Galaxy S21, because although it has a smaller sensor taking lower quality videos and photos, and they both have a F1.8 camera aperture and the same (4K) video quality, the OnePlus 8 also counts with better 60 frames per second video frame rate and a way more megapixels camera.
The Galaxy S21 costs a lot more than the OnePlus 8, but you can get a much better phone for that extra dollars.
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