Compare phones
| Global Score | |
| 63.3 | 91.8 |
| Basic Information | |
| Oppo | Samsung |
| Android 7.1 Nougat | Android 11 |
| 2017-06-10 | 2021-01-29 |
| 6.08 x 2.94 x 0.27 inches | 5.97 x 2.80 x 0.31 inches |
| 5.29 ounces | 6.03 ounces |
| Black, Gold and Pink | Gray, Phantom pink, Violet and White |
| Metal | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 700.00 | $ 722.00 |
| Display / Screen | |
| 5.5 inches | 6.2 inches |
| 1920 x 1080 pixels (Full HD) | 2400 x 1080 pixels |
| AMOLED | Dynamic AMOLED |
| 401 pixels per inch | 424 pixels per inch |
| -- | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 8 | 9.2 |
| Performance | |
| Qualcomm Snapdragon 660 chipset | Qualcomm Snapdragon 888 chipset |
| Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 8 GB RAM |
| Adreno 512 GPU | Adreno 660 GPU |
| 9.18 | 9.63 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | No SD card slot |
| 10.78 | 10.1 |
| Camera | |
| 16.00 MP + 20.00 MP | 12.00 MP + 10.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| 0.36 inches (1/2.8") 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 (960 fps) (HD) slow motion video |
| 9.9 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| -- | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 3 | 10.7 |
| Battery Life | |
| 3000mAh Li - Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 4.96 | 5.92 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| -- | 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
The Galaxy S21 is a lot better than the OPPO R11, with a 91.8 score against 63.3. Both phones we are comparing here have Android operating system, but the Galaxy S21 has 11 version and OPPO R11 has Android 7.1 Nougat. Galaxy S21's body is extremely newer than OPPO R11's, although it is somewhat heavier and somewhat thicker.
Samsung Galaxy S21 has a bit more powerful processing unit than OPPO R11, and although they both have the same number of cores, the Samsung Galaxy S21 also has a larger amount of RAM. Samsung Galaxy S21 features a sharper display than OPPO R11, because it has a slightly better 1080 x 2400 resolution, a little higher amount of pixels in each screen inch and a little bit bigger screen.
OPPO R11 has a slightly bigger storage to install applications and games than Samsung Galaxy S21, because although it has just 64 GB internal memory capacity, it also counts with an external memory slot that admits up to 256 GB. The Galaxy S21 captures a bit better photographs and videos than OPPO R11, because although it has a smaller camera aperture and a much less mega pixels resolution back camera, it also counts with a much larger camera sensor and a much higher 7680x4320 video resolution.
The Galaxy S21 has longer battery life than OPPO R11, because it has a 4000mAh battery capacity instead of 3000mAh.
Samsung Galaxy S21 costs a little more money than the OPPO R11, but it's still a convenient choice, as you can get a lot more features for that extra money.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.