| Hardware and OS | GEECOO G3 | Oppo A3s |
| Operating system | Android 7.0 Nougat | Android 8.1 (Oreo); ColorOS 5.1 |
| Processor | MTK6737 1.3GHz Quad Core | Octa-core 1.8 GHz Cortex-A53 |
| Chipset | | Qualcomm SDM450 Snapdragon 450 (14 nm) |
| GPU | No | Adreno 506 |
| RAM | 2GB | |
| Internal memory | | 16 GB, 2 GB RAM |
| Internal Storage | 16GB (up to 32GB expandable via MicroSD) | |
| External memory | | microSD, up to 256 GB (dedicated slot) |
| Memory Card Slot | MicroSD Card Slot | |
| User Interface | Not Included | |
| Display | GEECOO G3 | Oppo A3s |
| Type | AMOLED On-Cell | IPS LCD |
| Size | 5.0 inches HD | 6.2" inc |
| Resolution | 1280 x 720 Pixels | 720 x 1520 px |
| Touchscreen | Yes Multi Touch Support | capacitive touchscreen |
| Screen-to-Body Ratio | | 81.2% |
| Display area | | 95.9 cm2 |
| Display aspect ratio | | 19:9 (height:width) |
| Pixel Density | No | 271 PPI |
| Protection | Not Included | |
| Colors | No | 16M |
| Features | 2.5D Curved Screen, 5.0-Inches AMOLED On-Cell, 1280 X 720 pixels HD resolution | |
| Connectivity | GEECOO G3 | Oppo A3s |
| 2G Network | | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | | HSDPA 850 / 900 / 2100 |
| 4G Network | 4G FDD.B1/B3/B7/B8/B20, 4G FDD.B1/B3/B5: TDD 840 | LTE |
| Wi-Fi | wi-fi 802.11 b, g, n | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot |
| NFC | No | |
| Network | | GSM / HSPA / LTE |
| SIM card | | Dual SIM (Nano-SIM, dual stand-by) |
| Bluetooth | | 4.2, A2DP, LE |
| SIM | Standard SIM | |
| Edge | | Yes |
| Dual SIM | Yes, With 2 SIM Slots | |
| GPRS | | Yes |
| GPS | Yes, A-GPS | Yes, with A-GPS |
| Speed | LTE | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps |
| USB | micro USB | microUSB 2.0, USB On-The-Go |
| Camera | GEECOO G3 | Oppo A3s |
| Image | No | |
| Main camera | 13MP, 0.3MP | 13 MP, Dual |
| Specs | | 13 MP, f/2.2, AF
-2 MP, f/2.4, depth sensor |
| Features | Yes, With LED Flash | LED flash, HDR, panorama |
| Video | | 1080p@30fps |
| Selfie camera | 8MP | 8 MP, Single |
| Multimedia | GEECOO G3 | Oppo A3s |
| Loudspeaker | Yes | |
| Handsfree | Yes | |
| Video Playback | No | |
| Video Out | No | |
| Ring Tones | Yes | |
| 3.5 mm Jack | yes | Yes |
| Radio | Yes, With FM Radio | FM radio |
| Design | GEECOO G3 | Oppo A3s |
| Colors | | Red, Dark Purple |
| Waterproof | IPX0 (Not Protected) | |
| Dimensions | 5.67 in x 2.83 in x 0.35 in (14.4 cm x 7.2 cm x 0.89 cm) | 156.2 x 75.6 x 8.2 mm |
| Weight | 5.44 oz (154.2 g) | 168 g |
| Battery | GEECOO G3 | Oppo A3s |
| Capacity | 2500mAh | |
| Battery capacity | | 4230 mAh, Non-removable Li-Ion |
| Placement | Non-Removable | |
| Other | GEECOO G3 | Oppo A3s |
| Release date | | 2018, July |
| Sensors | g Sensor, Proximity, Gesture, Fingerprint Authentication Sensor, | Accelerometer, proximity, compass |
