Compare phones
| Global Score | |
| 76.6 | 98.1 |
| Basic Information | |
| OnePlus | Samsung |
| Android 11 | Android 11 |
| 2021-04-02 | 2021-01-29 |
| 6.43 x 2.90 x 0.34 inches | 6.50 x 2.98 x 0.35 inches |
| 6.95 ounces | 8.04 ounces |
| Forest Green, Morning Mist and Stellar Black | Phantom black and Silver |
| Glass (Corning Gorilla Glass) | Aluminum and Glass (Corning Gorilla Glass Victus) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 890.00 | $ 966.00 |
| Display / Screen | |
| 6.7 inches | 6.8 inches |
| 3216 x 1440 pixels | 3200 x 1440 pixels |
| AMOLED | Dynamic AMOLED |
| 526 pixels per inch | 516 pixels per inch |
| -- | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.8 | 9.8 |
| 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 |
| 8 GB RAM | 12 GB RAM |
| Adreno 660 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 |
| 23.00mm focal length | 24.00mm focal length |
| 0.71 inches (1/1.4") sensor | 0.75 inches (1/1.33") sensor |
| 7680 x 4320 (30 fps) 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 |
| 12.65 | 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 | |
| 4500mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 6.32 | 6.8 |
| Other Features | |
| Bluetooth 5.2 | 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 is a lot better than the OnePlus 9 Pro, with a score of 98.1 against 76.6. Despite being the best device in this comparison, Samsung Galaxy S21 Ultra's construction is heavier and a bit thicker than OnePlus 9 Pro. Both of these devices use the same Android 11 OS, so both should offer identical operating system features.
The Galaxy S21 Ultra has a little faster processor than OnePlus 9 Pro, and although they both have 8 cores, the Galaxy S21 Ultra also has a larger amount of RAM memory. Galaxy S21 Ultra has a sharper display than OnePlus 9 Pro, because although it has a little bit worse 1440 x 3200 resolution and a just a bit lower pixels number in each inch in the screen, it also counts with a bit bigger display.
Galaxy S21 Ultra has a bit 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 Galaxy S21 Ultra also counts with a bigger back-facing camera sensor which provides a better image and video quality and a way more MP back facing camera.
Samsung Galaxy S21 Ultra's memory capacity for games and applications is just as good as OnePlus 9 Pro's one, they have the same internal storage capacity. The Samsung Galaxy S21 Ultra has a little longer battery life than OnePlus 9 Pro, because it has an 11 percent larger battery capacity.
Galaxy S21 Ultra costs a bit more money than the OnePlus 9 Pro, but you can get a much better phone for that few extra dollars.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.