Compare phones
| Global Score | |
| 72.1 | 98.1 |
| Basic Information | |
| Oppo | Samsung |
| Android 10 | Android 11 |
| 2020-08-05 | 2021-01-29 |
| 6.31 x 2.88 x 0.30 inches | 6.50 x 2.98 x 0.35 inches |
| 5.68 ounces | 8.04 ounces |
| Silky white and Starry night | Phantom black and Silver |
| Plastic and Plastic | Aluminum and Glass (Corning Gorilla Glass Victus) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 966.00 |
| Display / Screen | |
| 6.5 inches | 6.8 inches |
| 2400 x 1080 pixels | 3200 x 1440 pixels |
| Super AMOLED | Dynamic AMOLED |
| 405 pixels per inch | 516 pixels per inch |
| 1100 cd/m2 brightness | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 9 | 9.8 |
| Performance | |
| Qualcomm Snapdragon 720G SM7125 chipset | Qualcomm Snapdragon 888 chipset |
| Kryo 465, 64-bit, 8 nm (Octa-Core 2300 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 8 GB RAM | 12 GB RAM |
| Adreno 618 GPU | Adreno 660 GPU |
| 9.36 | 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 + 32.00 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 |
| 1280 x 720 (240 fps) (HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 11.66 | 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 | |
| 4000mAh Li - Polymer Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.92 | 6.8 |
| Other Features | |
| Bluetooth 5.1 | 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 | FM Radio |
Comparison review
The Galaxy S21 Ultra has a general score of 98.1, which is a lot better than OPPO Reno4 Pro's overall score of 72.1. Both of these phones use Android OS (Operating System), but Galaxy S21 Ultra has 11 version and OPPO Reno4 Pro has Android 10. Despite being the best device in this comparison review, Galaxy S21 Ultra is an extremely heavier and thicker device than OPPO Reno4 Pro.
The Galaxy S21 Ultra counts with a bit better performance than OPPO Reno4 Pro, and although they both have 8 CPU cores, the Galaxy S21 Ultra also has 4 GB more RAM. The Samsung Galaxy S21 Ultra has a bit sharper screen than OPPO Reno4 Pro, because it has a little bit bigger display, a better number of pixels per inch in the screen, a better resolution of 1440 x 3200 and more brightness.
Samsung Galaxy S21 Ultra and OPPO Reno4 Pro both feature incredibly similar storage capacity to install games and applications, they have equal 128 GB internal storage capacity. The Galaxy S21 Ultra features longer battery lifetime than OPPO Reno4 Pro, because it has 5000mAh of battery capacity. The Galaxy S21 Ultra features a better camera than OPPO Reno4 Pro, because although it has a smaller diafragm aperture which is not favorable for taking photographs and videos in low-light situations, it also counts with a lot better resolution camera, a much larger sensor and a much better 7680x4320 video resolution.
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