Compare phones
| Global Score | |
| 76 | 98.1 |
| Basic Information | |
| OnePlus | Samsung |
| -- | Android 11 |
| 2020-04-21 | 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 |
| Glacial green | Phantom black and Silver |
| Aluminum and Glass (Corning Gorilla Glass 5) | Aluminum and Glass (Corning Gorilla Glass Victus) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 330.00 | $ 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 |
| Adreno 650 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, Dual 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
The Samsung Galaxy S21 Ultra has an overall score of 98.1, which is way better than OnePlus 8's 76 overall score. Samsung Galaxy S21 Ultra's design is newer than OnePlus 8's, although it's thicker and notably heavier. Samsung Galaxy S21 Ultra has a slightly better screen than OnePlus 8, because it has a higher display pixel density, a little bit larger display, a higher resolution of 1440 x 3200 and more screen brightness.
Galaxy S21 Ultra and OnePlus 8 count with very similar storage to store more games and applications, they have exactly the same 128 GB internal memory capacity. The Galaxy S21 Ultra counts with a bit faster processing unit than OnePlus 8, and although they both have a Octa-Core CPU, the Galaxy S21 Ultra also has more RAM.
Galaxy S21 Ultra counts with improved battery performance than OnePlus 8, because it has 5000mAh of battery capacity against 4300mAh. Samsung Galaxy S21 Ultra captures better videos and photos than OnePlus 8, and although they both have a F1.8 camera aperture, the Samsung Galaxy S21 Ultra also has a way higher video definition, a much better 108 MP resolution back facing camera and a lot larger sensor providing a lot higher image quality.
The Samsung Galaxy S21 Ultra costs a lot more money than the OnePlus 8, but it's still a convenient choice, because you can get a better phone for that extra money.
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