Compare phones
| Global Score | |
| 72.8 | 91.8 |
| Basic Information | |
| OnePlus | Samsung |
| Android 15 | Android 11 |
| -- | 2021-01-29 |
| -- | 5.97 x 2.80 x 0.31 inches |
| -- | 6.03 ounces |
| -- | Gray, Phantom pink, Violet and White |
| -- | Aluminum and Plastic |
| -- | Scratch-Resistant Glass |
| -- | $ 722.00 |
| Display / Screen | |
| 7.8 inches | 6.2 inches |
| 2268 x 2440 pixels | 2400 x 1080 pixels |
| AMOLED | Dynamic AMOLED |
| 427 pixels per inch | 424 pixels per inch |
| -- | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.7 | 9.2 |
| 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 | 8 GB RAM |
| Yes GPU | Adreno 660 GPU |
| 6.3 | 9.63 |
| 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 | 12.00 MP + 10.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 24.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.57 inches (1/1.76") 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 | 10.78 |
| 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 | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 7.36 | 5.92 |
| Other Features | |
| Bluetooth 5.3 | Bluetooth 5.0 |
| 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
Samsung Galaxy S21 is way better than OnePlus Open 2 (Rumored), having a 91.8 score against 72.8. These phones have Android OS, but the Samsung Galaxy S21 has the previous 11 version and OnePlus Open 2 (Rumored) has Android 15. Galaxy S21 has a brighter display than OnePlus Open 2 (Rumored), although it has a much smaller screen, a lot worse 1080 x 2400 resolution and a quite lower quantity of pixels per inch in the screen.
OnePlus Open 2 (Rumored) counts with a much bigger storage capacity for apps and games than Samsung Galaxy S21, because it has 512 GB internal storage. The Samsung Galaxy S21 counts with a very superior hardware performance than OnePlus Open 2 (Rumored), although it has 8 GB less RAM, they both have 8 processing cores.
OnePlus Open 2 (Rumored) takes much better pictures and videos than Galaxy S21, because although it has a tinier camera sensor, and they both have the same 3840x2160 video definition, the OnePlus Open 2 (Rumored) also counts with higher video frame rate, a way higher resolution back-facing camera and a bigger aperture to take better low light photography.
The OnePlus Open 2 (Rumored) has a much better battery life than Galaxy S21, because it has 5700mAh of battery capacity.
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