Compare phones
| Global Score | |
| 11.67 | 9.12 |
| Basic Information | |
| Samsung | OnePlus |
| Android 11 | Android 11 |
| 2021-01-29 | 2021-04-02 |
| 6.50 x 2.98 x 0.35 inches | 6.43 x 2.90 x 0.34 inches |
| 8.04 ounces | 6.95 ounces |
| Phantom black and Silver | Forest Green, Morning Mist and Stellar Black |
| Aluminum and Glass (Corning Gorilla Glass Victus) | Glass (Corning Gorilla Glass) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 966.00 | $ 890.00 |
| Display / Screen | |
| 6.8 inches | 6.7 inches |
| 3200 x 1440 pixels | 3216 x 1440 pixels |
| Dynamic AMOLED | AMOLED |
| 516 pixels per inch | 526 pixels per inch |
| 1500 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.8 | 8.8 |
| 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 |
| 4.96 | 4.64 |
| 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
Samsung Galaxy S21 Ultra has a global score of 11.67, which is way better than OnePlus 9 Pro's score of 9.12. Although it's the best cellphone in this review, Samsung Galaxy S21 Ultra's body is a bit thicker and somewhat heavier than OnePlus 9 Pro. These phones include the same Android 11 OS (Operating System).
The Galaxy S21 Ultra has a brighter display than OnePlus 9 Pro, because although it has a quite lower resolution of 1440 x 3200 and a just a little lower pixels quantity in each inch in the display, it also counts with a little bit bigger screen. OnePlus 9 Pro's storage to install applications and games is very similar to Galaxy S21 Ultra's one, both have exactly the same internal storage capacity.
The Galaxy S21 Ultra features a bit better processing unit than OnePlus 9 Pro, and although they both have 8 cpu cores, the Galaxy S21 Ultra also has a larger amount of RAM. The Samsung Galaxy S21 Ultra has a slightly better camera than OnePlus 9 Pro, because although it has worse video frame rates, and they both have a same size aperture and the same 7680x4320 video definition, the Samsung Galaxy S21 Ultra also counts with a bigger back-facing camera sensor providing a higher image quality and a lot more MP back-facing camera.
The Galaxy S21 Ultra features a little better battery life than OnePlus 9 Pro, because it has an 11% more battery size.
Galaxy S21 Ultra costs a bit more than the OnePlus 9 Pro, but it's still a great deal, because you can get a much better phone for that extra money.