| Hardware and OS | Infinix Smart3 Plus | |
| Operating system | Android 9.0 (Pie) | |
| Processor | Quad-core 2.0 GHz Cortex-A53 | |
| Chipset | Mediatek MT6761 Helio A22 (12 nm) | |
| GPU | PowerVR GE8320 | |
| Internal memory | 32 GB, 2/3 GB RAM | |
| External memory | microSD | |
| Display | Infinix Smart3 Plus | other phones |
| Type | LTPS IPS LCD | |
| Size | 6.2" inc | |
| Resolution | 720 x 1520 px | |
| Touchscreen | capacitive touchscreen | |
| Screen-to-Body Ratio | 81.6% | |
| Display area | 97.4 cm2 | |
| Display aspect ratio | 19:9 (height:width) | |
| Pixel Density | 269 PPI | |
| Colors | 16M | |
| Connectivity | Infinix Smart3 Plus | other phones |
| 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, hotspot | |
| Network | GSM / HSPA / LTE | |
| SIM card | Dual SIM (Micro-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, USB On-The-Go | |
| Camera | Infinix Smart3 Plus | other phones |
| Main camera | 13 MP, Triple | |
| Specs | 13 MP, f/1.8, PDAF
-2 MP
-QVGA | |
| Features | Dual-LED flash | |
| Video | 1080p@30fps | |
| Selfie camera | 8 MP, Single | |
| Multimedia | Infinix Smart3 Plus | other phones |
| 3.5 mm Jack | Yes | |
| Radio | FM radio | |
| Design | Infinix Smart3 Plus | other phones |
| Colors | Midnight Black, Aqua Blue, Cosmic Purple, Bordeaux Red | |
| Dimensions | 157 x 76 x 7.8 mm | |
| Weight | 148 g | |
| Battery | Infinix Smart3 Plus | other phones |
| Battery capacity | 3500 mAh, Non-removable Li-Po | |
| Other | Infinix Smart3 Plus | other phones |
| Release date | 2019, April | |
| Sensors | Fingerprint (rear-mounted), accelerometer, proximity, compass | |
