Compare phones
| Global Score | |
| 51 | 83.3 |
| Basic Information | |
| Oppo | Samsung |
| Android 4.2.1 | -- |
| -- | 2018-03-16 |
| 5.37 x 2.68 x 0.29 inches | 5.81 x 2.70 x 0.33 inches |
| 3.88 ounces | 5.75 ounces |
| White | Burgundy red, Coral blue, Ice blue, Lilac purple, Midnight black, Sunrise gold and Titanium gray |
| -- | Aluminum and Glass (Corning Gorilla Glass 5) |
| -- | Scratch-Resistant Glass |
| $ 155.00 | $ 158.00 |
| Display / Screen | |
| 4.7 inches | 5.8 inches |
| 720 x 1280 pixels (HD) | 2960 x 1440 pixels |
| IPS LCD | Super AMOLED |
| 312 pixels per inch | 568 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 8.2 | 8.9 |
| Performance | |
| MediaTek MT6589 chipset | Qualcomm Snapdragon 845 SDM845 chipset |
| ARM Cortex-A7 (Quad-Core 1200 MHz) processor | Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor |
| 1 GB RAM | 4 GB RAM |
| PowerVR SGX544 (384 MHz) GPU | Adreno 630 GPU |
| 8.28 | 9.54 |
| Storage | |
| 16 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 400 GB) external memory slot |
| 4.4 | 11.34 |
| Camera | |
| 8.00 MP + 2.00 MP | 12.00 MP + 8.00 MP |
| -- | f/1.50 aperture |
| -- | 0.39 inches (1/2.55") sensor |
| -- | 3840 x 2160 (60 fps) (4K) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 6.38 | 10.23 |
| Networks | |
| Wi-Fi | Wi-Fi |
| -- | Mobile Hotspot |
| HSPA, EDGE, GPRS and GSM | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| SIM, Dual SIM | Nano SIM |
| 3.4 | 6.7 |
| Battery Life | |
| 2000mAh Battery | 3000mAh Li - Ion Battery |
| Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 3.92 | 4.96 |
| Other Features | |
| Bluetooth 3.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Samsung Galaxy S9 has a score of 83.3, which is a lot better than OPPO R819's 51 general score. The Samsung Galaxy S9 is a incredibly heavier and thicker phone than OPPO R819. Galaxy S9 features a superior processing power than OPPO R819, because although it has doesn't have an additional graphics processor, it also counts with 4 more cores and 3 GB more RAM.
Galaxy S9 has a bit sharper screen than OPPO R819, because it has a lot higher resolution of 1440 x 2960px, a much better pixel density and a larger screen. The Galaxy S9 takes greater photos and videos than OPPO R819, because it has a camera in the back with a much higher 12 MP resolution. Samsung Galaxy S9 features a much bigger memory capacity for applications, games, photos and videos than OPPO R819, because it has a slot for external memory cards that admits up to 400 GB and 48 GB more internal memory.
Samsung Galaxy S9 features a really longer battery life than OPPO R819, because it has a 3000mAh battery size instead of 2000mAh.
Samsung Galaxy S9 costs a little more than the OPPO R819, but you can get a much better phone for that few extra dollars.
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