Compare phones
| Global Score | |
| 72.1 | 79.6 |
| Basic Information | |
| Oppo | Samsung |
| Android 10 | Android 11, 10, 9.0 Pie |
| 2020-08-05 | 2019-04-10 |
| 6.31 x 2.88 x 0.30 inches | 5.69 x 2.72 x 0.31 inches |
| 5.68 ounces | 4.94 ounces |
| Silky white and Starry night | Black, Blue, Coral and White |
| Plastic and Plastic | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.5 inches | 5.9 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 405 pixels per inch | 437 pixels per inch |
| 1100 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9 | 8.2 |
| Performance | |
| Qualcomm Snapdragon 720G SM7125 chipset | Exynos 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 | 16.00 MP + 25.00 MP |
| f/1.70 aperture | f/1.70 aperture |
| -- | 27.00mm focal length |
| 0.5 inches (1/2") sensor | 0.36 inches (1/2.8") 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 | 9.46 |
| 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 | 3100mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 5.12 |
| 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, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Samsung Galaxy A40 has an overall score of 79.6, which is better than OPPO Reno4 Pro's 72.1 score. Samsung Galaxy A40 is an older and just a little bit thicker device than the OPPO Reno4 Pro, but Samsung was able to make it somewhat lighter anyway. Both of these phones include Android OS (operating system), but the Samsung Galaxy A40 has a more recent 11 version and OPPO Reno4 Pro has Android 10, so it provides you a lot of extra features.
OPPO Reno4 Pro has a slightly better looking screen than Samsung Galaxy A40, because although it has a little bit less pixels per inch in the display, it also counts with a slightly better resolution of 1080 x 2400 and a little bit bigger display. OPPO Reno4 Pro counts with a little better hardware performance than Galaxy A40, and although they both have 8 processing cores, the OPPO Reno4 Pro also has 4 GB more RAM memory.
Samsung Galaxy A40 features more storage capacity for apps and games than OPPO Reno4 Pro, because although it has 0 less internal memory capacity, it also counts with a SD card slot that admits up to 512 GB. OPPO Reno4 Pro captures greater pictures and videos than Galaxy A40, and although they both have a F1.7 camera aperture, the OPPO Reno4 Pro also has a camera in the back with lot more megapixels, a lot better (4K) video definition and a lot larger camera sensor providing a lot better image quality.
The OPPO Reno4 Pro counts with improved battery lifetime than Galaxy A40, because it has a 29 percent greater battery size.
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