Compare phones
| Global Score | |
| 72.1 | 78.9 |
| Basic Information | |
| Oppo | Samsung |
| Android 10 | Android 10, 9.0 Pie, 8.1 Oreo |
| 2020-08-05 | 2019-02-05 |
| 6.31 x 2.88 x 0.30 inches | 6.16 x 2.93 x 0.35 inches |
| 5.68 ounces | 6.56 ounces |
| Silky white and Starry night | Charcoal black and Ocean blue |
| Plastic and Plastic | Plastic and Plastic |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.5 inches | 6.3 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| Super AMOLED | IPS LCD |
| 405 pixels per inch | 409 pixels per inch |
| 1100 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9 | 8 |
| Performance | |
| Qualcomm Snapdragon 720G SM7125 chipset | Samsung Exynos 7 Octa 7904 chipset |
| Kryo 465, 64-bit, 8 nm (Octa-Core 2300 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Adreno 618 GPU | Mali-G71 MP2 GPU |
| 9.36 | 8.91 |
| 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 | |
| 48.00 MP + 32.00 MP | 13.00 MP + 8.00 MP |
| f/1.70 aperture | f/1.90 aperture |
| -- | 12.00mm focal length |
| 0.5 inches (1/2") sensor | 0.32 inches (1/3.1") 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 | -- |
| 11.66 | 9.02 |
| 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 |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 6.8 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy M20 has a score of 78.9, which is just a bit better than OPPO Reno4 Pro's score of 72.1. Although it's the best device we compare here, the Galaxy M20 is an older, heavier and thicker device than the OPPO Reno4 Pro. Both phones in this comparison review use the same Android 10 OS. OPPO Reno4 Pro counts with a more vivid display than Galaxy M20, because although it has a little bit inferior pixel count in each inch of display, it also counts with a bit higher 1080 x 2400 resolution and a little bit larger screen.
OPPO Reno4 Pro counts with a little better processing power than Galaxy M20, and although they both have 8 cpu cores, the OPPO Reno4 Pro also has a greater amount of RAM. The OPPO Reno4 Pro takes much clearer photos and videos than Galaxy M20, because it has a lot bigger back-facing camera sensor, a way better video quality, a camera with a way better resolution and a bigger diafragm aperture to take better low-light captures and video.
The Samsung Galaxy M20 counts with a quite bigger memory capacity to store more games and applications than OPPO Reno4 Pro, because although it has less internal memory, it also counts with an external memory slot that admits a maximum of 512 GB. The Galaxy M20 features superior battery performance than OPPO Reno4 Pro, because it has a 5000mAh battery size.
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