Compare phones
| Global Score | |
| 73.9 | 77.7 |
| Basic Information | |
| Oppo | Samsung |
| -- | Android 10 |
| 2019-06-12 | 2020-06-19 |
| 6.38 x 3.04 x 0.37 inches | 6.44 x 2.96 x 0.35 inches |
| 7.58 ounces | 6.77 ounces |
| Black and Green | Black, Blue, Red and White |
| Glass (Corning Gorilla Glass 5) | -- |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.6 inches | 6.5 inches |
| 2340 x 1080 pixels | 1600 x 720 pixels |
| AMOLED | TFT |
| 390 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 855 chipset | Samsung Exynos 850 chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 8 GB RAM | 3 GB RAM |
| Adreno 640 GPU | Mali-G76 GPU |
| 9.63 | 9.09 |
| Storage | |
| 256 GB internal memory | 32 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 13.3 | 9.84 |
| Camera | |
| 48.00 MP + 16.00 MP | 48.00 MP + 13.00 MP |
| f/1.70 aperture | f/2.00 aperture |
| 27.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 11.77 | 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 | |
| 4065mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
Comparison review
Galaxy A21s is slightly better than OPPO Reno 10x Zoom, getting a 77.7 score against 73.9. Galaxy A21s is a newer cellphone, and it's also somewhat lighter and a little bit thinner than OPPO Reno 10x Zoom. The OPPO Reno 10x Zoom features a little faster processing unit than Samsung Galaxy A21s, and although they both have 8 CPU cores, the OPPO Reno 10x Zoom also has 5 GB more RAM memory.
OPPO Reno 10x Zoom features a more vivid screen than Samsung Galaxy A21s, because it has a little bigger screen, a greater pixels density and a way better 1080 x 2340 resolution. OPPO Reno 10x Zoom counts with a lot bigger storage for applications and games than Samsung Galaxy A21s, because although it has no slot for an SD memory card, it also counts with more internal storage capacity.
The Samsung Galaxy A21s features improved battery life than OPPO Reno 10x Zoom, because it has 5000mAh of battery capacity. OPPO Reno 10x Zoom shoots clearer pictures and videos than Samsung Galaxy A21s, and although they both have a 48 mega pixels resolution camera and a 0.5 inches sensor, the OPPO Reno 10x Zoom also has a way better 3840x2160 video resolution and a larger aperture.
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