Compare phones
| Global Score | |
| 98.1 | 76 |
| Basic Information | |
| Samsung | OnePlus |
| Android 11 | Android 11 |
| 2021-01-29 | 2021-04-02 |
| 6.50 x 2.98 x 0.35 inches | 6.30 x 2.92 x 0.34 inches |
| 8.04 ounces | 6.77 ounces |
| Phantom black and Silver | Arctic Sky, Astral Black and Winter Mist |
| Aluminum and Glass (Corning Gorilla Glass Victus) | Aluminum and Glass (Corning Gorilla Glass) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 966.00 | $ 700.00 |
| 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 | -- |
| No touch screen | No touch screen |
| 9.8 | 8.2 |
| 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 |
| 12 GB RAM | 8 GB RAM |
| Adreno 660 GPU | Adreno 660 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 | 23.00mm focal length |
| 0.75 inches (1/1.33") sensor | 0.71 inches (1/1.4") sensor |
| 7680 x 4320 (24 fps) video resolution | 7680 x 4320 (30 fps) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 13.75 | 12.65 |
| 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 | |
| 5000mAh Li - Polymer Battery | 4500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 6.8 | 6.32 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.2 |
| 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 Ultra is a lot better than OnePlus 9, with a 98.1 score against 76. These phones work with the same Android 11 OS. The Galaxy S21 Ultra is a somewhat heavier and a little bit thicker cellphone than the OnePlus 9. Galaxy S21 Ultra counts with a brighter screen than OnePlus 9, because it has a better 1440 x 3200 resolution, a better display pixels density and a little bigger screen.
The Samsung Galaxy S21 Ultra has a bit better processing unit than OnePlus 9, and although they both have the same number of cores, the Samsung Galaxy S21 Ultra also has more RAM memory. Galaxy S21 Ultra captures clearer photos and videos than OnePlus 9, because although it has worse video frame rates, and they both have the same 7680x4320 video resolution and the same diafragm aperture, the Galaxy S21 Ultra also counts with a way better 108 MP resolution camera and a larger sensor which provides a higher image and video quality.
Galaxy S21 Ultra and OnePlus 9 count with incredibly similar storage capacity to install applications and games or saving photos and videos, both have equal 128 GB internal memory capacity. The Samsung Galaxy S21 Ultra counts with just a bit longer battery duration than OnePlus 9, because it has a 5000mAh battery size against 4500mAh.
The Galaxy S21 Ultra costs more money than the OnePlus 9, but it's still a good choice, because you can get a lot more for that extra money.
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