| Hardware and OS | TECNO I3 | Oppo A3s |
| Operating system | | Android 8.1 (Oreo); ColorOS 5.1 |
| Processor | | Octa-core 1.8 GHz Cortex-A53 |
| Chipset | | Qualcomm SDM450 Snapdragon 450 (14 nm) |
| GPU | | Adreno 506 |
| Internal memory | | 16 GB, 2 GB RAM |
| External memory | | microSD, up to 256 GB (dedicated slot) |
| Hardware and OS Tecno I3 | TECNO I3 | Oppo A3s |
| Operating system | Android 7.0 Nougat | |
| Processor | Quad-Core 1.3 GHz ARM Cortex-A53 | |
| GPU | ARM Mali-T720 MP2, 650 MHz GPU | |
| RAM | 2GB | |
| Internal Storage | 16GB | |
| Memory Card Slot | microSD, microSDHC, microSDXC | |
| User Interface | Yes with Modified Android | |
| Display | TECNO I3 | Oppo A3s |
| Type | | IPS LCD |
| Size | | 6.2" inc |
| Resolution | | 720 x 1520 px |
| Touchscreen | | capacitive touchscreen |
| Screen-to-Body Ratio | | 81.2% |
| Display area | | 95.9 cm2 |
| Display aspect ratio | | 19:9 (height:width) |
| Pixel Density | | 271 PPI |
| Colors | | 16M |
| Display Tecno I3 | TECNO I3 | Oppo A3s |
| Type | IPS, LCD capacitive touchscreen | |
| Size | 5.0 inches | |
| Resolution | 1280 x 720 Pixels, 24 bit color depth | |
| Colors | 16M Colors | |
| Pixel Density | ~ 294 ppi | |
| Touchscreen | Yes Multi Touch Support | |
| Protection | Not Support | |
| Features | HD IPS display, ~ 294 PPI, Capacitive, Multi-touch , 2.5D Curved Glass | |
| Connectivity | TECNO I3 | Oppo A3s |
| 2G Network | | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | | HSDPA 850 / 900 / 2100 |
| 4G Network | | LTE |
| Wi-Fi | | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot |
| Network | | GSM / HSPA / LTE |
| SIM card | | Dual SIM (Nano-SIM, dual stand-by) |
| Bluetooth | | 4.2, A2DP, LE |
| Edge | | Yes |
| GPRS | | Yes |
| GPS | | Yes, with A-GPS |
| Speed | | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps |
| USB | | microUSB 2.0, USB On-The-Go |
| Connectivity Tecno I3 | TECNO I3 | Oppo A3s |
| 4G Network | LTE : 850 / 900 / 1800 MHz, LTE-TDD : 2300 MHz (Band 40) | |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi Hotspot | |
| GPS | Yes, with GPS, A-GPS | |
| NFC | yes | |
| USB | Micro USBv2.0 with Charging and Mass Storage | |
| Speed | LTE Cat 4 150 Mbps Download, 50 Mbps Upload | |
| SIM | Nano SIM | |
| Dual SIM | (Nano, Nano), Dual Standby | |
| Camera Tecno I3 | TECNO I3 | Oppo A3s |
| Main camera | 8 Megapixels with Quad LED and AF Rear Camera | |
| Features | Yes with Quad-LED Flash | |
| Image | 3264 x 2448 Pixels | |
| Selfie camera | 8 Megapixel Front Camera with LED & Screen Flash | |
| Camera | TECNO I3 | Oppo A3s |
| Main 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 MP, Single |
| Multimedia Tecno I3 | TECNO I3 | Oppo A3s |
| Loudspeaker | Yes | |
| Radio | Yes | |
| Video Playback | Up to 5 Hours | |
| Video Out | Yes With Wireless Media Connection | |
| Ring Tones | FLAC, AAC ringtones | |
| 3.5 mm Jack | No | |
| Multimedia | TECNO I3 | Oppo A3s |
| 3.5 mm Jack | | Yes |
| Radio | | FM radio |
| Design Tecno I3 | TECNO I3 | Oppo A3s |
| Dimensions | 142.75 mm x 70.5 mm x 7.9 mm | |
| Design | TECNO I3 | Oppo A3s |
| Colors | | Red, Dark Purple |
| Dimensions | | 156.2 x 75.6 x 8.2 mm |
| Weight | | 168 g |
| Battery Tecno I3 | TECNO I3 | Oppo A3s |
| Capacity | 3,050 mAh | |
| Placement | Non-Removable | |
| Other Tecno I3 | TECNO I3 | Oppo A3s |
| Sensors | Ambient Light Sensor, Proximity Sensor, Light Sensor | |
| Battery | TECNO I3 | Oppo A3s |
| Battery capacity | | 4230 mAh, Non-removable Li-Ion |
| Other | TECNO I3 | Oppo A3s |
| Release date | | 2018, July |
| Sensors | | Accelerometer, proximity, compass |
