Compare phones
| Global Score | |
| 84.1 | 79.9 |
| Basic Information | |
| Samsung | Oppo |
| Android 11, 10 | Android 11 |
| 2020-03-23 | 2021-03-30 |
| 6.26 x 2.96 x 0.35 inches | 6.43 x 2.91 x 0.33 inches |
| 6.63 ounces | 6.81 ounces |
| Midnight blue and Raven black | Blue and Gloss Black |
| Plastic and Plastic | -- |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.4 inches | 6.7 inches |
| 2340 x 1080 pixels | 3216 x 1440 pixels |
| Super AMOLED | AMOLED |
| 403 pixels per inch | 526 pixels per inch |
| 420 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 8.8 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 888 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 12 GB RAM |
| Mali-G72 MP3 GPU | Adreno 660 GPU |
| 9.27 | 9.72 |
| Storage | |
| 64 GB internal memory | 256 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 11.74 | 13.3 |
| Camera | |
| 48.00 MP + 20.00 MP | 50.00 MP + 32.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | -- |
| 0.5 inches (1/2") sensor | 0.64 inches (1/1.56") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | -- |
| 11.55 | 12.1 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 4500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 7.52 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Samsung Galaxy M21 is just a bit better than OPPO Find X3 Pro, getting a global score of 84.1 against 79.9. These phones use the same Android 11 OS, so you shouldn't perceive any differences regarding OS features. Despite of the fact Samsung Galaxy M21 is older and just a little bit thicker than the OPPO Find X3 Pro, it's body is still a bit lighter.
The OPPO Find X3 Pro has a bit superior CPU than Galaxy M21, and although they both have 8 CPU cores, the OPPO Find X3 Pro also has 8 GB more RAM memory. The OPPO Find X3 Pro has a bit better looking display than Samsung Galaxy M21, because it has a little bit larger display, a better resolution of 1440 x 3216 pixels and a better number of pixels per display inch.
The OPPO Find X3 Pro takes just a bit better photographs and videos than Galaxy M21, and although they both have the same 3840x2160 video quality, the OPPO Find X3 Pro also has a bigger camera aperture, a more mega pixels camera in the back, higher 60 fps video frame rate and a lot bigger sensor capturing more light and vivid colors.
The OPPO Find X3 Pro has a bigger memory capacity for applications, games, photos and videos than Galaxy M21, because although it has no slot for SD memory cards, it also counts with 192 GB more internal storage capacity. Samsung Galaxy M21 features greater battery life than OPPO Find X3 Pro, because it has 6000mAh of battery capacity against 4500mAh.
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