Compare phones
| Global Score | |
| 71.9 | 77.7 |
| Basic Information | |
| Oppo | Samsung |
| Android 11 | Android 10 |
| 2021-01-22 | 2020-06-19 |
| 6.29 x 2.88 x 0.30 inches | 6.44 x 2.96 x 0.35 inches |
| 6.10 ounces | 6.77 ounces |
| Astral Blue and Starry Black | Black, Blue, Red and White |
| Display / Screen | |
| 6.5 inches | 6.5 inches |
| 2400 x 1080 pixels | 1600 x 720 pixels |
| AMOLED | TFT |
| 405 pixels per inch | 270 pixels per inch |
| 1100 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9 | 7.2 |
| Performance | |
| MediaTek Dimensity 1000+ chipset | Samsung Exynos 850 chipset |
| Arm Cortex-A77 and Cortex-A55, 64-bit (Octa-Core 2600 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 8 GB RAM | 3 GB RAM |
| ARM Mali-G77 MC9 GPU | Mali-G76 GPU |
| 9.54 | 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 + 32.00 MP | 48.00 MP + 13.00 MP |
| f/1.70 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | -- |
| 11.44 | 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, Dual SIM |
| 7 | 6.7 |
| Battery Life | |
| 4350mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.24 | 6.8 |
| Other Features | |
| Bluetooth 5.1 | 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 is a bit better than the OPPO Reno5 Pro, having a 77.7 score against 71.9. Both of these devices have Android OS (Operating System), but Samsung Galaxy A21s has the previous 10 version and OPPO Reno5 Pro has Android 11. The Samsung Galaxy A21s is a just a little heavier and somewhat thicker device than OPPO Reno5 Pro.
The OPPO Reno5 Pro features a much sharper screen than Galaxy A21s, and although they both have a display of the same size, the OPPO Reno5 Pro also has a better screen pixel density and a much higher resolution of 1080 x 2400px. OPPO Reno5 Pro has a little bit better memory capacity for games and applications than Galaxy A21s, because although it has no SD memory slot, it also counts with 128 GB internal storage.
The OPPO Reno5 Pro counts with just a little better hardware performance than Samsung Galaxy A21s, and although they both have 8 cpu cores, the OPPO Reno5 Pro also has a larger amount of RAM memory. The OPPO Reno5 Pro has just a bit better camera than Galaxy A21s, because it has a back facing camera with lot more mega pixels, a much better (4K) video quality and a bigger aperture.
The Samsung Galaxy A21s counts with a bit better battery life than OPPO Reno5 Pro, because it has a 5000mAh battery capacity.
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