Compare phones
| Global Score | |
| 79.9 | 84.1 |
| Basic Information | |
| Oppo | Samsung |
| Android 11 | Android 11, 10 |
| 2021-03-30 | 2020-03-23 |
| 6.43 x 2.91 x 0.33 inches | 6.26 x 2.96 x 0.35 inches |
| 6.81 ounces | 6.63 ounces |
| Blue and Gloss Black | Midnight blue and Raven black |
| -- | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.7 inches | 6.4 inches |
| 3216 x 1440 pixels | 2340 x 1080 pixels |
| AMOLED | Super AMOLED |
| 526 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.8 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Exynos 9611 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 12 GB RAM | 4 GB RAM |
| Adreno 660 GPU | Mali-G72 MP3 GPU |
| 9.72 | 9.27 |
| Storage | |
| 256 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 13.3 | 11.74 |
| Camera | |
| 50.00 MP + 32.00 MP | 48.00 MP + 20.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| 0.64 inches (1/1.56") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 12.1 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 10.7 | 6.7 |
| Battery Life | |
| 4500mAh Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.32 | 7.52 |
| 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 |
| -- | FM Radio |
Comparison review
The Samsung Galaxy M21 is slightly better than OPPO Find X3 Pro, with a global score of 84.1 against 79.9. Despite of the fact Samsung Galaxy M21 is older and a little thicker than OPPO Find X3 Pro, it's design is still just a bit lighter. Both phones we are comparing work with the same Android 11 OS (operating system), so you shouldn't see any difference regarding OS features.
The OPPO Find X3 Pro has a little bit better processing power than Galaxy M21, and although they both have a Octa-Core CPU, the OPPO Find X3 Pro also has a larger amount of RAM. OPPO Find X3 Pro features a little bit better looking screen than Galaxy M21, because it has a higher screen pixel density, a bit larger screen and a higher resolution of 1440 x 3216px.
OPPO Find X3 Pro features a better storage to install applications and games or saving photos and videos than Galaxy M21, because although it has no slot for SD memory cards, it also counts with 256 GB internal storage capacity. OPPO Find X3 Pro captures clearer photos and videos than Samsung Galaxy M21, and although they both have the same video definition, the OPPO Find X3 Pro also has faster video frame rates, a bigger camera aperture for better low-light photos and videos, a better 50 megapixels resolution back facing camera and a way bigger back-facing camera sensor.
Galaxy M21 counts with better battery life than OPPO Find X3 Pro, because it has 6000mAh of battery capacity.
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