Compare phones
| Global Score | |
| 84.1 | 76 |
| Basic Information | |
| Samsung | Oppo |
| Android 11, 10 | Android 11 |
| 2020-03-23 | 2021-04-14 |
| 6.26 x 2.96 x 0.35 inches | 6.30 x 2.85 x 0.31 inches |
| 6.63 ounces | 6.49 ounces |
| Midnight blue and Raven black | Galactic Silver and Starlight Black |
| Plastic and Plastic | -- |
| Scratch-Resistant Glass | -- |
| -- | $ 975.00 |
| Display / Screen | |
| 6.4 inches | 6.5 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | AMOLED |
| 403 pixels per inch | 405 pixels per inch |
| 420 cd/m2 brightness | 1100 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.4 | 9 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 865 SDM865 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 585, 64-bit, 7 nm (Octa-Core 2800 MHz) processor |
| 4 GB RAM | 12 GB RAM |
| Mali-G72 MP3 GPU | Adreno 650 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 | -- |
| 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 | 11.44 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 7 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 4500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 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
Galaxy M21 has an overall score of 84.1, which is much better than the OPPO Find X3 Neo's 76 global score. These devices work with the same Android 11 OS (operating system). Despite being the best in this comparison, it must be noted that it is also older, thicker and just a little heavier. OPPO Find X3 Neo features a bit more powerful processing unit than Galaxy M21, and although they both have a Octa-Core processor, the OPPO Find X3 Neo also has 8 GB more RAM.
OPPO Find X3 Neo has a little sharper screen than Galaxy M21, because it has a slightly higher 1080 x 2400 resolution, a just a bit better screen pixels density, a much brighter screen and a little bigger display. OPPO Find X3 Neo counts with a better memory for games and applications than Galaxy M21, because although it has no external memory slot, it also counts with 256 GB internal memory capacity.
Galaxy M21 has better battery life than OPPO Find X3 Neo, because it has 6000mAh of battery capacity instead of 4500mAh. Galaxy M21 features a slightly better camera than OPPO Find X3 Neo, although it has a worse resolution camera, a lower 3840x2160 video quality and a smaller camera aperture.
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