Compare phones
| Global Score | |
| 71.9 | 84.1 |
| Basic Information | |
| Oppo | Samsung |
| Android 11 | Android 11, 10 |
| 2021-01-22 | 2020-03-23 |
| 6.29 x 2.88 x 0.30 inches | 6.26 x 2.96 x 0.35 inches |
| 6.10 ounces | 6.63 ounces |
| Astral Blue and Starry Black | Midnight blue and Raven black |
| -- | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.5 inches | 6.4 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| AMOLED | Super AMOLED |
| 405 pixels per inch | 403 pixels per inch |
| 1100 cd/m2 brightness | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 9 | 8.4 |
| Performance | |
| MediaTek Dimensity 1000+ chipset | Exynos 9611 chipset |
| Arm Cortex-A77 and Cortex-A55, 64-bit (Octa-Core 2600 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| ARM Mali-G77 MC9 GPU | Mali-G72 MP3 GPU |
| 9.54 | 9.27 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 11.74 |
| Camera | |
| 64.00 MP + 32.00 MP | 48.00 MP + 20.00 MP |
| f/1.70 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 11.44 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 7 | 6.7 |
| Battery Life | |
| 4350mAh Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.24 | 7.52 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.0 |
| GPS | GPS |
| 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 has an overall score of 84.1, which is better than the OPPO Reno5 Pro's global score of 71.9. Both of these phones use the same Android 11 OS, so both of them should provide the user all the same operating system features. The Samsung Galaxy M21 body is older, a little heavier and somewhat thicker than the OPPO Reno5 Pro.
OPPO Reno5 Pro has just a bit better looking display than Galaxy M21, because it has a lot brighter screen, a bit better display density, a bit higher 1080 x 2400px resolution and a little bit larger screen. Samsung Galaxy M21 counts with a better storage capacity for apps and games than OPPO Reno5 Pro, because although it has just 64 GB internal memory capacity, it also counts with a slot for an external memory card that admits a maximum of 512 GB.
The OPPO Reno5 Pro counts with a bit superior processor than Galaxy M21, and although they both have 8 cpu cores, the OPPO Reno5 Pro also has 4 GB more RAM. The Samsung Galaxy M21 has a very superior battery performance than OPPO Reno5 Pro, because it has a 38% more battery capacity. The Samsung Galaxy M21 has a slightly better camera than OPPO Reno5 Pro, although it has a back-facing camera with a way lower 48 megapixels resolution, a worse 3840x2160 video definition and a tinier diafragm aperture.
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