Compare phones
| Global Score | |
| 11.67 | 9.04 |
| Basic Information | |
| Samsung | OnePlus |
| Android 11 | -- |
| 2021-01-29 | 2020-04-21 |
| 6.50 x 2.98 x 0.35 inches | 6.31 x 2.87 x 0.31 inches |
| 8.04 ounces | 6.35 ounces |
| Phantom black and Silver | Glacial green |
| Aluminum and Glass (Corning Gorilla Glass Victus) | Aluminum and Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 966.00 | $ 330.00 |
| Display / Screen | |
| 6.8 inches | 6.5 inches |
| 3200 x 1440 pixels | 2400 x 1080 pixels |
| Dynamic AMOLED | AMOLED |
| 516 pixels per inch | 405 pixels per inch |
| 1500 cd/m2 brightness | 1100 cd/m2 brightness |
| No touch screen | No touch screen |
| 9.8 | 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 |
| 12 GB RAM | 8 GB RAM |
| Adreno 660 GPU | Adreno 650 GPU |
| 9.72 | 9.63 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 10.1 |
| Camera | |
| 108.00 MP + 40.00 MP | 48.00 MP + 16.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 24.00mm focal length | 25.00mm focal length |
| 0.75 inches (1/1.33") 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 |
| 13.75 | 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 | |
| 5000mAh Li - Polymer Battery | 4300mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 4.96 | 4.64 |
| Other Features | |
| Bluetooth 5.1 | 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
The Galaxy S21 Ultra has a global score of 11.67, which is a lot better than the OnePlus 8's 9.04 global score. The Galaxy S21 Ultra is a newer cellphone than the OnePlus 8, but it's much heavier and somewhat thicker. The Galaxy S21 Ultra counts with a bit better display than OnePlus 8, because it has a brighter display, a little bit bigger display, a better resolution of 1440 x 3200px and a better screen pixels density.
OnePlus 8 features as much storage capacity to install applications and games as Galaxy S21 Ultra, both have the same internal storage capacity. Galaxy S21 Ultra features a bit better performance than OnePlus 8, and although they both have a Octa-Core processing unit, the Galaxy S21 Ultra also has a greater amount of RAM memory.
Galaxy S21 Ultra has just a bit longer battery life than OnePlus 8, because it has 5000mAh of battery capacity against 4300mAh. The Galaxy S21 Ultra shoots much clearer videos and photos than OnePlus 8, and although they both have a same size aperture, the Galaxy S21 Ultra also has a way bigger camera sensor providing a way higher image quality, a camera with lot more megapixels and a lot higher 7680x4320 video resolution.
The Galaxy S21 Ultra is a lot more expensive than OnePlus 8, but it's still a great choice, because you can get a lot more for that extra money.