| Hardware and OS | Huawei P9 Plus | Oppo A3s |
| Operating system | Android 6 (Marshmallow), upgradable to 7 (Nougat); EMUI 5 | Android 8.1 (Oreo); ColorOS 5.1 |
| Processor | Octa-core (4x2.5 GHz Cortex-A72 & 4x1.8 GHz Cortex-A53) | Octa-core 1.8 GHz Cortex-A53 |
| Chipset | HiSilicon Kirin 955 (16 nm) | Qualcomm SDM450 Snapdragon 450 (14 nm) |
| GPU | Mali-T880 MP4 | Adreno 506 |
| Internal memory | 64 GB, 4 GB RAM | 16 GB, 2 GB RAM |
| External memory | microSD, up to 256 GB (uses SIM 2 slot) | microSD, up to 256 GB (dedicated slot) |
| Display | Huawei P9 Plus | Oppo A3s |
| Type | Super AMOLED | IPS LCD |
| Size | 5.5" inc | 6.2" inc |
| Resolution | 1080 x 1920 px | 720 x 1520 px |
| Protection | Corning Gorilla Glass 3 | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen |
| Screen-to-Body Ratio | 72.7% | 81.2% |
| Display area | 83.4 cm2 | 95.9 cm2 |
| Display aspect ratio | 16:9 (height:width) | 19:9 (height:width) |
| Pixel Density | 401 PPI | 271 PPI |
| Colors | 16M | 16M |
| Other | 3D Touch display | |
| Connectivity | Huawei P9 Plus | Oppo A3s |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 - VIE-L09, VIE-L29 | HSDPA 850 / 900 / 2100 |
| 4G Network | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 6(900), 7(2600), 8(900), 12(700), 17(700), 18(800), 19(800), 20(800), 26(850), 28(700), 38(2600), 39(1900), 40(2300) - VIE-L09 | LTE |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, DLNA, WiFi Direct, hotspot | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot |
| Network | GSM / HSPA / LTE | GSM / HSPA / LTE |
| SIM card | Single SIM (Nano-SIM)Hybrid Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) |
| Bluetooth | 4.2, A2DP, LE | 4.2, A2DP, LE |
| Edge | Yes | Yes |
| GPRS | Yes | Yes |
| GPS | Yes, with A-GPS, GLONASS/ BDS (market dependant) | Yes, with A-GPS |
| NFC | Yes | |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps |
| USB | Type-C 1.0 reversible connector | microUSB 2.0, USB On-The-Go |
| Camera | Huawei P9 Plus | Oppo A3s |
| Main camera | 12 MP, Single | 13 MP, Dual |
| Specs | 12 MP, f/2.2, 27mm (wide), 1/2.9', 1.25µm, PDAF & laser AF
-12 MP B/W, f/2.2, 27mm (wide), 1/2.9', 1.25µm, PDAF & laser AF | 13 MP, f/2.2, AF
-2 MP, f/2.4, depth sensor |
| Features | Leica optics, dual-LED dual-tone flash, panorama, HDR | LED flash, HDR, panorama |
| Video | 1080p@30fps | 1080p@30fps |
| Selfie camera | 8 MP, Single | 8 MP, Single |
| Multimedia | Huawei P9 Plus | Oppo A3s |
| 3.5 mm Jack | Yes | Yes |
| Radio | No | FM radio |
| Design | Huawei P9 Plus | Oppo A3s |
| Colors | Haze Gold, Quartz Grey, Ceramic White | Red, Dark Purple |
| Dimensions | 152.3 x 75.3 x 7 mm | 156.2 x 75.6 x 8.2 mm |
| Weight | 162 g | 168 g |
| Battery | Huawei P9 Plus | Oppo A3s |
| Battery capacity | 3400 mAh, Non-removable Li-Po | 4230 mAh, Non-removable Li-Ion |
| Other | Huawei P9 Plus | Oppo A3s |
| SAR | SAR EU - 1.48 W/kg (head), 1.49 W/kg (body) | |
| Release date | 2016, April | 2018, July |
| Sensors | Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass , Infrared port | Accelerometer, proximity, compass |
