| Global Score | |
| 72.8 | 98.1 |
| Basic Information | |
| OnePlus | Samsung |
| Android 15 | Android 11 |
| -- | 2021-01-29 |
| -- | 6.50 x 2.98 x 0.35 inches |
| -- | 8.04 ounces |
| -- | Phantom black and Silver |
| -- | Aluminum and Glass (Corning Gorilla Glass Victus) |
| -- | Scratch-Resistant Glass |
| -- | $ 966.00 |
| Display / Screen | |
| 7.8 inches | 6.8 inches |
| 2268 x 2440 pixels | 3200 x 1440 pixels |
| AMOLED | Dynamic AMOLED |
| 427 pixels per inch | 516 pixels per inch |
| -- | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.7 | 9.8 |
| Performance | |
| Qualcomm Snapdragon 8 Elite SM8550 (4 nm) chipset | Qualcomm Snapdragon 888 chipset |
| processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 16 GB RAM | 12 GB RAM |
| Yes GPU | Adreno 660 GPU |
| 6.3 | 9.72 |
| Storage | |
| 512 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 17.6 | 10.1 |
| Camera | |
| 48.00 MP + 32.00 MP | 108.00 MP + 40.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 24.00mm 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 |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 11.99 | 13.75 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 10.6 | 10.7 |
| Battery Life | |
| 5700mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 7.36 | 6.8 |
| Other Features | |
| Bluetooth 5.3 | 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 |
The Samsung Galaxy S21 Ultra has a score of 98.1, which is a lot better than the OnePlus Open 2 (Rumored)'s score of 72.8. Both phones we are comparing here work with Android OS (operating system), but the Samsung Galaxy S21 Ultra has the older 11 version while OnePlus Open 2 (Rumored) has Android 15.
Samsung Galaxy S21 Ultra features a really superior hardware performance than OnePlus Open 2 (Rumored), although it has lesser RAM memory, they both have the same number of cores. The Samsung Galaxy S21 Ultra features a lot better looking display than OnePlus Open 2 (Rumored), because although it has a little bit smaller display and a little lower resolution of 1440 x 3200px, it also counts with a bit greater screen pixel density.
Galaxy S21 Ultra shoots much better photographs and videos than OnePlus Open 2 (Rumored), because although it has a tinier aperture which is not recommended for low-light photos, it also counts with a much higher 7680x4320 video resolution, a back-facing camera with a lot higher 108 mega-pixels resolution and a lot bigger camera sensor.
The OnePlus Open 2 (Rumored) features much more storage capacity for applications, games, photos and videos than Galaxy S21 Ultra, because it has more internal memory capacity. OnePlus Open 2 (Rumored) counts with a bit superior battery duration than Samsung Galaxy S21 Ultra, because it has 5700mAh of battery capacity against 5000mAh.
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