Compare phones
| Global Score | |
| 72.1 | 91.8 |
| Basic Information | |
| Oppo | Samsung |
| Android 10 | Android 11 |
| 2020-08-05 | 2021-01-29 |
| 6.31 x 2.88 x 0.30 inches | 5.97 x 2.80 x 0.31 inches |
| 5.68 ounces | 6.03 ounces |
| Silky white and Starry night | Gray, Phantom pink, Violet and White |
| Plastic and Plastic | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 722.00 |
| Display / Screen | |
| 6.5 inches | 6.2 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | Dynamic AMOLED |
| 405 pixels per inch | 424 pixels per inch |
| 1100 cd/m2 brightness | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 9 | 9.2 |
| 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 | 8 GB RAM |
| Adreno 618 GPU | Adreno 660 GPU |
| 9.36 | 9.63 |
| 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 | 12.00 MP + 10.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.57 inches (1/1.76") 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 | 10.78 |
| 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 | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.92 | 5.92 |
| Other Features | |
| Bluetooth 5.1 | 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 | FM Radio |
Comparison review
The Galaxy S21 has a score of 91.8, which is way better than OPPO Reno4 Pro's 72.1 overall score. Although it's the best phone in this review, Galaxy S21's construction is a little bit heavier and just a bit thicker than the OPPO Reno4 Pro. These phones use Android OS, but Galaxy S21 has 11 version while OPPO Reno4 Pro has Android 10 version.
Samsung Galaxy S21 has just a bit better screen than OPPO Reno4 Pro, because although it has a little smaller display, and they both have the same resolution of 1080 x 2400, the Samsung Galaxy S21 also counts with a little more brightness and a just a bit more pixels per inch in the screen. Galaxy S21 counts with a little faster processor than OPPO Reno4 Pro. They have 8 GB of RAM memory and 8 processing cores.
The OPPO Reno4 Pro shoots a little bit better pictures and videos than Samsung Galaxy S21, because although it has a smaller back camera sensor which provides a worse image and video quality, and they both have the same 3840x2160 video resolution, the OPPO Reno4 Pro also counts with a much better 48 MP resolution camera, a larger aperture to capture better photography and video in low light situations and higher video frame rates.
The Samsung Galaxy S21's memory capacity to install applications and games or saving photos and videos is just as good as the OPPO Reno4 Pro one, both of them have exactly the same 128 GB internal storage capacity. Samsung Galaxy S21 and OPPO Reno4 Pro feature really similar battery durations.
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