| Hardware and OS | Infinix Smart 4 | |
| Operating system | Android 9.0 Pie (Go edition) | |
| Processor | Quad-core 2.0 GHz Cortex-A53 | |
| Chipset | Mediatek MT6761 Helio A22 (12 nm) | |
| GPU | PowerVR GE8320 | |
| Internal memory | 16GB 1GB RAM | |
| External memory | microSD, up to 256 GB (dedicated slot) | |
| Display | Infinix Smart 4 | other phones |
| Type | IPS LCD | |
| Size | 6.6" inc | |
| Resolution | 720 x 1600 px | |
| Touchscreen | capacitive touchscreen | |
| Screen-to-Body Ratio | 82.9% | |
| Display area | 105.2 cm2 | |
| Display aspect ratio | 20:9 (height:width) | |
| Pixel Density | 266 PPI | |
| Colors | 16M | |
| Connectivity | Infinix Smart 4 | other phones |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | |
| 3G Network | HSDPA 850 / 900 / 2100 | |
| 4G Network | LTE band 1(2100), 3(1800), 5(850), 8(900), 38(2600), 40(2300), 41(2500) | |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, hotspot | |
| Network | GSM / HSPA / LTE | |
| SIM card | Dual SIM (Nano-SIM, dual stand-by) | |
| Bluetooth | 5.0, A2DP, LE | |
| Edge | Yes | |
| GPRS | Yes | |
| GPS | Yes, with A-GPS | |
| Speed | HSPA 21.1/5.76 Mbps, LTE Cat4 150/50 Mbps | |
| USB | microUSB 2.0 | |
| Camera | Infinix Smart 4 | other phones |
| Main camera | 8 MP, Single | |
| Specs | 8 MP | |
| Features | Dual-LED flash | |
| Video | 1080p@30fps | |
| Selfie camera | 5 MP, Single | |
| Multimedia | Infinix Smart 4 | other phones |
| 3.5 mm Jack | Yes | |
| Radio | FM radio | |
| Design | Infinix Smart 4 | other phones |
| Colors | Midnight Black, Quetzal Cyan, Cosmic Purple | |
| Dimensions | 167 x 76 x 8.3 mm | |
| Weight | 183 g | |
| Battery | Infinix Smart 4 | other phones |
| Battery capacity | 4000 mAh, Non-removable Li-Po | |
| Other | Infinix Smart 4 | other phones |
| Release date | 2019, October | |
| Sensors | Fingerprint (rear-mounted), accelerometer, proximity, compass | |