Compare phones
| Global Score | |
| 72 | 76.1 |
| Basic Information | |
| Oppo | Samsung |
| Android 10 | Android 10 |
| 2020-03-03 | 2020-06-29 |
| 6.25 x 2.89 x 0.32 inches | 6.61 x 3.02 x 0.32 inches |
| 6.17 ounces | 6.81 ounces |
| Aurora blue, Midnight black and Sky white | Black |
| Plastic and Plastic | Plastic and Plastic |
| Scratch-Resistant Glass | -- |
| -- | $ 194.00 |
| Display / Screen | |
| 6.4 inches | 6.5 inches |
| 2400 x 1080 pixels | 1600 x 720 pixels |
| Super AMOLED | IPS LCD |
| 411 pixels per inch | 270 pixels per inch |
| 1200 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.1 | 7.3 |
| Performance | |
| MediaTek Helio P95 chipset | Mediatek Helio P35 chipset |
| Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm (Octa-Core 2200 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 8 GB RAM | 3 GB RAM |
| PowerVR GM9446 GPU | PowerVR GE8320 GPU |
| 9.27 | 9.27 |
| 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 | 16.00 MP + 13.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 27.00mm focal length | -- |
| 0.59 inches (1/1.7") sensor | 0.33 inches (1/3.06") 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 | 9.35 |
| 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 |
| 6.7 | 6.7 |
| Battery Life | |
| 4025mAh Li - Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 5.92 |
| 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, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Galaxy A21 has a general score of 76.1, which is a little bit better than the OPPO Reno3 Pro's global score of 72. The Galaxy A21 is a a little heavier device than OPPO Reno3 Pro, but they have the same thickness. Both of these devices use the same Android 10 OS (operating system), so you shouldn't notice any difference in that aspect.
Galaxy A21's processor is very similar to the processing unit in OPPO Reno3 Pro, and although the Galaxy A21 has 5 GB lesser RAM memory, they both have 8 CPU cores. OPPO Reno3 Pro features a much more vibrant screen than Samsung Galaxy A21, because although it has a quite smaller display, it also counts with a much higher screen pixel density and a way better 1080 x 2400 resolution.
OPPO Reno3 Pro features a way better camera than Galaxy A21, and although they both have the same aperture, the OPPO Reno3 Pro also has a way larger sensor taking way higher quality videos and photographs, a way better (4K) video resolution and a much higher resolution back-facing camera. OPPO Reno3 Pro has a bit more memory to store more games and applications than Samsung Galaxy A21, because although it has no slot for SD memory cards, it also counts with 128 GB internal storage.
The Galaxy A21's battery duration is very similar to OPPO Reno3 Pro's battery performance, although the Galaxy A21 has just 4000mAh of battery capacity against 4025mAh.
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