| Hardware and OS | Elephone S8 Pro | Oppo A3s |
| Operating system | Android 8.0 | Android 8.1 (Oreo); ColorOS 5.1 |
| Processor | Snapdragon 660 | Octa-core 1.8 GHz Cortex-A53 |
| Chipset | | Qualcomm SDM450 Snapdragon 450 (14 nm) |
| GPU | Adreno 512 | Adreno 506 |
| RAM | 6GB | |
| Internal memory | | 16 GB, 2 GB RAM |
| Internal Storage | 128GB | |
| External memory | | microSD, up to 256 GB (dedicated slot) |
| Display | Elephone S8 Pro | Oppo A3s |
| Type | FHD 18:9 Infinity AMOLED Display | IPS LCD |
| Size | 5.99-Inch | 6.2" inc |
| Resolution | 2560x1440 | 720 x 1520 px |
| Touchscreen | Yes Multi Touch Support | capacitive touchscreen |
| Protection | Yes Corning Gorilla Glass | |
| Screen-to-Body Ratio | | 81.2% |
| Features | Screen:6.0 inch 2560 x 1440 pixels screen with Corning Gorilla glass | |
| Display area | | 95.9 cm2 |
| Display aspect ratio | | 19:9 (height:width) |
| Pixel Density | | 271 PPI |
| Colors | | 16M |
| Connectivity | Elephone S8 Pro | Oppo A3s |
| NFC | yes | |
| 2G Network | | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | | HSDPA 850 / 900 / 2100 |
| 4G Network | FDD-LTE:B1/B3/B7/B20 (2100/1800/2600/800), TDD-LTE:B38/B40 2600/2300 | LTE |
| SIM | Standard SIM | |
| Wi-Fi | 802.11a/b/g/n/ac wireless internet | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot |
| Dual SIM | dual Nano SIM dual standby | |
| Network | | GSM / HSPA / LTE |
| SIM card | | Dual SIM (Nano-SIM, dual stand-by) |
| Bluetooth | | 4.2, A2DP, LE |
| Edge | | Yes |
| GPRS | | Yes |
| GPS | A-GPS Support, Built-in GPS | Yes, with A-GPS |
| Speed | 2G/3G/4G Cat.4 Up to 150Mbps downlink, 50Mbps uplink | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps |
| USB | Micro USB v2.0 | microUSB 2.0, USB On-The-Go |
| Camera | Elephone S8 Pro | Oppo A3s |
| Image | 2560x1440 | |
| Main camera | Dual 13MP Rear Camera | 13 MP, Dual |
| Specs | | 13 MP, f/2.2, AF
-2 MP, f/2.4, depth sensor |
| Features | | LED flash, HDR, panorama |
| Video | | 1080p@30fps |
| Selfie camera | 8.0MP | 8 MP, Single |
| Multimedia | Elephone S8 Pro | Oppo A3s |
| 3.5 mm Jack | No | Yes |
| Radio | | FM radio |
| Design | Elephone S8 Pro | Oppo A3s |
| Colors | | Red, Dark Purple |
| Dimensions | 152 x 80.7 x 8.6 mm | 156.2 x 75.6 x 8.2 mm |
| Weight | 195g | 168 g |
| Battery | Elephone S8 Pro | Oppo A3s |
| Capacity | 4000mAh | |
| Placement | Built-in | |
| Battery capacity | | 4230 mAh, Non-removable Li-Ion |
| Other | Elephone S8 Pro | Oppo A3s |
| Release date | | 2018, July |
| Sensors | Fingerprint Sensor, Ambient Light Sensor, Gravity Sensor, Gyroscope, Hall Sensor, Proximity Sensor | Accelerometer, proximity, compass |
