Compare phones
| Global Score | |
| 72.2 | 77.7 |
| Basic Information | |
| Oppo | Samsung |
| Android 8.1 Oreo | Android 10 |
| 2018-07-25 | 2020-06-19 |
| 6.17 x 2.92 x 0.38 inches | 6.44 x 2.96 x 0.35 inches |
| 6.56 ounces | 6.77 ounces |
| Blue and Red | Black, Blue, Red and White |
| Aluminum and Glass | -- |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.4 inches | 6.5 inches |
| 2340 x 1080 pixels | 1600 x 720 pixels |
| AMOLED | TFT |
| 403 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8.2 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 845 SDM845 chipset | Samsung Exynos 850 chipset |
| Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 8 GB RAM | 3 GB RAM |
| Adreno 630 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 | |
| 16.00 MP + 25.00 MP | 48.00 MP + 13.00 MP |
| f/2.00 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| 0.38 inches (1/2.6") sensor | 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 | -- |
| 10.12 | 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 |
| Micro SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3730mAh Li - Ion Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.68 | 6.8 |
| Other Features | |
| Bluetooth 5.0, EDR | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
Comparison review
Galaxy A21s has a general score of 77.7, which is just a bit better than the OPPO Find X's general score of 72.2. These devices have Android OS (Operating System), but the Galaxy A21s has the previous 10 version while OPPO Find X has Android 8.1 Oreo version. Although Galaxy A21s is just a little heavier than the OPPO Find X, it's just a little thinner and also newer.
The OPPO Find X features a little bit better hardware performance than Samsung Galaxy A21s, and although they both have a Octa-Core CPU, the OPPO Find X also has more RAM memory. The OPPO Find X counts with a more vivid display than Galaxy A21s, because although it has a quite smaller display, it also counts with a much better 1080 x 2340 resolution and more pixels per screen inch.
OPPO Find X features a much bigger memory for apps and games than Galaxy A21s, because although it has no external SD slot, it also counts with more internal storage. Samsung Galaxy A21s has longer battery performance than OPPO Find X, because it has a 5000mAh battery size. The Galaxy A21s takes clearer photographs and videos than OPPO Find X, and although they both have the same 30 fps video frame rate, the same (Full HD) video resolution and the same aperture, the Galaxy A21s also has a back facing camera with a much better resolution and a way larger camera sensor providing a much higher image quality.
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