Compare phones
| Global Score | |
| 75.9 | 98.1 |
| Basic Information | |
| OnePlus | Samsung |
| Android 10 | Android 11 |
| 2020-04-29 | 2021-01-29 |
| 6.31 x 2.87 x 0.31 inches | 6.50 x 2.98 x 0.35 inches |
| 6.35 ounces | 8.04 ounces |
| Onyx black and Polar silver | Phantom black and Silver |
| Aluminum and Glass (Corning Gorilla Glass 5) | Aluminum and Glass (Corning Gorilla Glass Victus) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 800.00 | $ 966.00 |
| Display / Screen | |
| 6.5 inches | 6.8 inches |
| 2400 x 1080 pixels | 3200 x 1440 pixels |
| AMOLED | Dynamic AMOLED |
| 405 pixels per inch | 516 pixels per inch |
| 1100 cd/m2 brightness | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 9 | 9.8 |
| Performance | |
| Qualcomm Snapdragon 865 SM8250 chipset | Qualcomm Snapdragon 888 chipset |
| Kryo 585, 64-bit, 7 nm (Octa-Core 2840 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 8 GB RAM | 12 GB RAM |
| Kryo 585 GPU | Adreno 660 GPU |
| 9.63 | 9.72 |
| 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 | 108.00 MP + 40.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 25.00mm focal length | 24.00mm focal length |
| 0.5 inches (1/2") sensor | 0.75 inches (1/1.33") sensor |
| 3840 x 2160 (60 fps) (4K) 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 |
| 11.88 | 13.75 |
| 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 | |
| 4300mAh Li - Polymer Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.16 | 6.8 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.1 |
| 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
Galaxy S21 Ultra has a global score of 98.1, which is much better than OnePlus 8 UW's 75.9 overall score. Even though the Galaxy S21 Ultra is newer than the OnePlus 8 UW, it's thicker and much heavier. These phones work with Android operating system, but the Galaxy S21 Ultra has a more recent 11 version while OnePlus 8 UW has Android 10 version, providing you a couple additional features and improved performance.
Galaxy S21 Ultra counts with a bit better looking screen than OnePlus 8 UW, because it has a better pixels density, a better resolution of 1440 x 3200, a quite bigger display and a brighter screen. The Galaxy S21 Ultra features a little bit better processing power than OnePlus 8 UW, and although they both have 8 cpu cores, the Galaxy S21 Ultra also has more RAM memory.
The Samsung Galaxy S21 Ultra shoots better pictures and videos than OnePlus 8 UW, and although they both have a same size camera aperture, the Samsung Galaxy S21 Ultra also has a lot larger camera sensor capturing lot higher quality videos and pictures, a back-facing camera with a much higher resolution and a lot better video definition.
The Galaxy S21 Ultra has as much storage to install applications and games as the OnePlus 8 UW one, both of them have the same internal memory capacity. The Samsung Galaxy S21 Ultra counts with improved battery duration than OnePlus 8 UW, because it has a 16 percent larger battery capacity.
The Samsung Galaxy S21 Ultra costs more money than OnePlus 8 UW, but you can get a much better phone for that extra money.
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