Compare phones
| Global Score | |
| 73.9 | 76.1 |
| Basic Information | |
| Oppo | Samsung |
| Android 11 | Android 10 |
| 2021-09-09 | 2020-06-29 |
| 6.17 x 2.84 x 0.30 inches | 6.61 x 3.02 x 0.32 inches |
| 6.42 ounces | 6.81 ounces |
| Aurora and Stellar Black | Black |
| -- | Plastic and Plastic |
| -- | $ 194.00 |
| Display / Screen | |
| 6.4 inches | 6.5 inches |
| 2400 x 1080 pixels | 1600 x 720 pixels |
| AMOLED | IPS LCD |
| 411 pixels per inch | 270 pixels per inch |
| 750 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.8 | 7.3 |
| Performance | |
| MediaTek Dimesnity 900 MT6877 (6 nm) chipset | Mediatek Helio P35 chipset |
| Cortex-A78, 64-bit (Octa-Core 2400 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 8 GB RAM | 3 GB RAM |
| Mali-G68 MC4 GPU | PowerVR GE8320 GPU |
| 9.45 | 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 + 32.00 MP | 16.00 MP + 13.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| -- | 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 | -- |
| 11.44 | 9.35 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 10.6 | 6.7 |
| Battery Life | |
| 4300mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.16 | 5.92 |
| Other Features | |
| Bluetooth 5.2 | 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
The Samsung Galaxy A21 has a global score of 76.1, which is a bit better than the OPPO Reno6 5G's score of 73.9. Samsung Galaxy A21's construction is older, a little heavier and a little bit thicker than OPPO Reno6 5G. Both devices we are comparing here use Android OS, but the Samsung Galaxy A21 has 10 version and OPPO Reno6 5G has Android 11.
OPPO Reno6 5G features a bit more powerful processor than Galaxy A21, and although they both have 8 CPU cores, the OPPO Reno6 5G also has a greater amount of RAM memory. OPPO Reno6 5G features a much sharper display than Galaxy A21, because although it has a little smaller display, it also counts with a lot greater screen density and a much higher 1080 x 2400px resolution.
OPPO Reno6 5G features slightly more memory capacity for applications and games than Galaxy A21, because although it has no SD extension slot, it also counts with 96 GB more internal storage capacity. OPPO Reno6 5G counts with a bit longer battery lifetime than Samsung Galaxy A21, because it has 4300mAh of battery capacity.
The OPPO Reno6 5G shoots much better photos and videos than Samsung Galaxy A21, because it has a way higher 64 mega pixels resolution camera in the back, a larger diafragm aperture and a lot better 3840x2160 video resolution.
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