Compare phones
| Global Score | |
| 72 | 77.7 |
| Basic Information | |
| Oppo | Samsung |
| Android 10 | Android 10 |
| 2020-03-03 | 2020-06-19 |
| 6.25 x 2.89 x 0.32 inches | 6.44 x 2.96 x 0.35 inches |
| 6.17 ounces | 6.77 ounces |
| Aurora blue, Midnight black and Sky white | Black, Blue, Red and White |
| Plastic and Plastic | -- |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.4 inches | 6.5 inches |
| 2400 x 1080 pixels | 1600 x 720 pixels |
| Super AMOLED | TFT |
| 411 pixels per inch | 270 pixels per inch |
| 1200 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.1 | 7.2 |
| Performance | |
| MediaTek Helio P95 chipset | Samsung Exynos 850 chipset |
| Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm (Octa-Core 2200 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 8 GB RAM | 3 GB RAM |
| PowerVR GM9446 GPU | Mali-G76 GPU |
| 9.27 | 9.09 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 9.84 |
| Camera | |
| 64.00 MP + 44.00 MP | 48.00 MP + 13.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 27.00mm focal length | 26.00mm focal length |
| 0.59 inches (1/1.7") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1920 x 1080 (60 fps) (Full HD) slow motion video | -- |
| 12.1 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 4025mAh Li - Polymer Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
Comparison review
Samsung Galaxy A21s has a score of 77.7, which is a little bit better than the OPPO Reno3 Pro's 72 general score. These phones work with the same Android 10 operating system, so they should provide all the same operating system features. Even being the best in this comparison, the Samsung Galaxy A21s construction is a little bit thicker and just a little bit heavier than OPPO Reno3 Pro.
The OPPO Reno3 Pro has a lot better looking display than Galaxy A21s, because although it has a bit smaller screen, it also counts with a much better pixels density and a way higher 1080 x 2400 resolution. The OPPO Reno3 Pro counts with just a bit more memory for apps and games than Samsung Galaxy A21s, because although it has no slot for an SD memory card, it also counts with 96 GB more internal storage.
The OPPO Reno3 Pro counts with a bit superior processor than Samsung Galaxy A21s, and although they both have the same number of cores, the OPPO Reno3 Pro also has 5 GB more RAM memory. The OPPO Reno3 Pro shoots better pictures and videos than Galaxy A21s, because it has a larger sensor providing a better image quality, a way better (4K) video resolution, a larger camera aperture and a lot better 64 mega pixels resolution back-facing camera.
Galaxy A21s has greater battery life than OPPO Reno3 Pro, because it has 5000mAh of battery capacity.
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