Compare phones
| Global Score | |
| 73.9 | 77.7 |
| Basic Information | |
| Oppo | Samsung |
| Android 11 | Android 10 |
| 2021-09-09 | 2020-06-19 |
| 6.17 x 2.84 x 0.30 inches | 6.44 x 2.96 x 0.35 inches |
| 6.42 ounces | 6.77 ounces |
| Aurora and Stellar Black | Black, Blue, Red and White |
| Display / Screen | |
| 6.4 inches | 6.5 inches |
| 2400 x 1080 pixels | 1600 x 720 pixels |
| AMOLED | TFT |
| 411 pixels per inch | 270 pixels per inch |
| 750 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.8 | 7.2 |
| Performance | |
| MediaTek Dimesnity 900 MT6877 (6 nm) chipset | Samsung Exynos 850 chipset |
| Cortex-A78, 64-bit (Octa-Core 2400 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 8 GB RAM | 3 GB RAM |
| Mali-G68 MC4 GPU | Mali-G76 GPU |
| 9.45 | 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 |
| 1920 x 1080 (60 fps) (Full 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) and HSDPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 10.6 | 6.7 |
| Battery Life | |
| 4300mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.16 | 6.8 |
| 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, Gyroscope and Proximity Sensor |
Comparison review
The Samsung Galaxy A21s has a score of 77.7, which is a bit better than OPPO Reno6 5G's 73.9 global score. Both of these devices come with Android OS, but the Samsung Galaxy A21s has an older 10 version and OPPO Reno6 5G has Android 11 version. Although it's the best phone in this review, Samsung Galaxy A21s's design is older, thicker and just a little bit heavier than the OPPO Reno6 5G.
The OPPO Reno6 5G counts with a bit more powerful CPU than Galaxy A21s, and although they both have the same number of cores, the OPPO Reno6 5G also has a larger amount of RAM memory. The OPPO Reno6 5G has a much sharper screen than Galaxy A21s, because although it has a quite smaller screen, it also counts with a much higher 1080 x 2400px resolution and a lot greater screen pixels density.
OPPO Reno6 5G has a bit bigger memory for applications, games, photos and videos than Samsung Galaxy A21s, because although it has no external memory slot, it also counts with more internal storage. OPPO Reno6 5G has a slightly better camera than Galaxy A21s, because it has a lot better video definition, a larger aperture for better low light photos and videos and a back camera with much more mega pixels.
The Galaxy A21s counts with superior battery life than OPPO Reno6 5G, because it has 5000mAh of battery capacity.
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