Compare phones
| Global Score | |
| 72.8 | 98.1 |
| Basic Information | |
| Oppo | Samsung |
| Android 9.0 Pie | Android 11 |
| 2019-06-05 | 2021-01-29 |
| 6.17 x 2.93 x 0.35 inches | 6.50 x 2.98 x 0.35 inches |
| 6.53 ounces | 8.04 ounces |
| Black and Green | Phantom black and Silver |
| Glass (Corning Gorilla Glass 5) | Aluminum and Glass (Corning Gorilla Glass Victus) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 966.00 |
| Display / Screen | |
| 6.4 inches | 6.8 inches |
| 2340 x 1080 pixels | 3200 x 1440 pixels |
| AMOLED | Dynamic AMOLED |
| 403 pixels per inch | 516 pixels per inch |
| -- | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 9.8 |
| Performance | |
| Qualcomm Snapdragon 710 SDM710 chipset | Qualcomm Snapdragon 888 chipset |
| Kryo 360, 64-bit, 10 nm (Octa-Core 2200 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 8 GB RAM | 12 GB RAM |
| Adreno 616 GPU | Adreno 660 GPU |
| 9.27 | 9.72 |
| Storage | |
| 256 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 13.3 | 10.1 |
| Camera | |
| 48.00 MP + 16.00 MP | 108.00 MP + 40.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| -- | 24.00mm focal length |
| 0.5 inches (1/2") sensor | 0.75 inches (1/1.33") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1920 x 1080 (60 fps) (Full HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 11.55 | 13.75 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 3765mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.68 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | 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
Samsung Galaxy S21 Ultra has a global score of 98.1, which is a lot better than OPPO Reno's global score of 72.8. The Samsung Galaxy S21 Ultra is a somewhat heavier device than the OPPO Reno, but both are equally thin. These phones work with Android OS (Operating System), but the Samsung Galaxy S21 Ultra has the older 11 version and OPPO Reno has Android 9.0 Pie.
Galaxy S21 Ultra has just a little better processing power than OPPO Reno, and although they both have a Octa-Core processor, the Galaxy S21 Ultra also has a larger amount of RAM. Samsung Galaxy S21 Ultra features a much sharper display than OPPO Reno, because it has a higher resolution of 1440 x 3200px, a higher display pixel density and a quite larger screen.
The OPPO Reno counts with a lot bigger storage for games and applications than Samsung Galaxy S21 Ultra, because it has more internal storage. Galaxy S21 Ultra counts with a better camera than OPPO Reno, because although it has a tinier diafragm aperture, it also counts with a lot better resolution back-facing camera, a way bigger sensor capturing way better quality videos and pictures and a much better 7680x4320 video definition.
The Galaxy S21 Ultra has greater battery duration than OPPO Reno, because it has 5000mAh of battery capacity.
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