| Global Score | |
| 73.5 | 91.8 |
| Basic Information | |
| Oppo | Samsung |
| Android 14 | Android 11 |
| 2024-01-08 | 2021-01-29 |
| 6.47 x 3.00 x 0.37 inches | 5.97 x 2.80 x 0.31 inches |
| 7.80 ounces | 6.03 ounces |
| Black, Dark Blue and Light Brown | Gray, Phantom pink, Violet and White |
| Aluminum and Glass (Corning Gorilla Glass) | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 722.00 |
| Display / Screen | |
| 6.8 inches | 6.2 inches |
| 3168 x 1440 pixels | 2400 x 1080 pixels |
| AMOLED | Dynamic AMOLED |
| 512 pixels per inch | 424 pixels per inch |
| 4500 cd/m2 brightness | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 10.9 | 9.2 |
| Performance | |
| Qualcomm Snapdragon 8 Gen 3 SM8650-AB (4 nm) chipset | Qualcomm Snapdragon 888 chipset |
| processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 12 GB RAM | 8 GB RAM |
| Adreno 750 GPU | Adreno 660 GPU |
| 6.21 | 9.63 |
| Storage | |
| 256 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 13.3 | 10.1 |
| Camera | |
| 50.00 MP + 32.00 MP | 12.00 MP + 10.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 23.00mm focal length | 26.00mm focal length |
| 0.64 inches (1/1.56") sensor | 0.57 inches (1/1.76") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 12.1 | 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 | |
| 5000mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 6.8 | 5.92 |
| Other Features | |
| Bluetooth 5.4 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | -- |
| 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 is a lot better than the OPPO Find X7 Ultra, having a global score of 91.8 against 73.5. Both of these phones work with Android OS, but Samsung Galaxy S21 has 11 version while OPPO Find X7 Ultra has Android 14. Even though the Samsung Galaxy S21 is noticeably older than the OPPO Find X7 Ultra, it's body is thinner and a lot lighter.
Galaxy S21 features a very superior processing unit than OPPO Find X7 Ultra, because although it has less RAM memory, it also counts with more cpu cores. OPPO Find X7 Ultra counts with a better looking screen than Samsung Galaxy S21, because it has a better 1440 x 3168 resolution, a bit higher pixels quantity per inch in the display, a little bit larger display and a much brighter screen.
The OPPO Find X7 Ultra features a much better memory capacity to store more games and applications than Samsung Galaxy S21, because it has more internal storage. The OPPO Find X7 Ultra has superior battery duration than Galaxy S21, because it has a 5000mAh battery size. OPPO Find X7 Ultra takes better photographs and videos than Samsung Galaxy S21, and although they both have a same size diafragm aperture and the same 3840x2160 video resolution, the OPPO Find X7 Ultra also has a bigger sensor providing a higher image quality, faster 60 frames per second video frame rates and a back camera with lot more mega pixels.
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