| Hardware and OS | Micromax IN 3B | |
| Operating System | Android v11 | |
| Processor | 1.8 GHz, Octa Core Processor | |
| Chipset | Unisoc Tiger T610 | |
| Cores | 2x1.8 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55 | |
| RAM | 4 GB | |
| Internal Memory | 64 GB | |
| Memory Card Slot | Yes, (Hybrid Slot) | |
| Graphics | Mali-G52 MP2 | |
| Dual Sim | Yes | |
| Sim Size | Nano SIM | |
| Sim Type | Dual Sim, GSM GSM (Hybrid Slot) | |
| Display | Micromax IN 3B | other phones |
| Screen Size | 6.52 inches, 720 x 1600 pixels | |
| Display Type | Color IPS LCD screen (16M) | |
| Pixel Density | ~269 PPI | |
| Screen-to-Body Ratio | ~ 82.6% | |
| Touch Screen | Yes, with Multitouch | |
| Display aspect ratio | 20:9 | |
| Connectivity | Micromax IN 3B | other phones |
| 3G Network | Yes | |
| 4G Network | Yes | |
| Bluetooth | Yes, v5.1, A2DP, LE | |
| EDGE | Yes | |
| GPRS | Yes | |
| GPS | Yes, with A-GPS, BDS | |
| USB | Yes, USB-C v2.0 | |
| USB Features | USB on-the-go, USB Charging | |
| VoLTE | Yes | |
| Wifi | Yes, with wifi-hotspot | |
| Camera | Micromax IN 3B | other phones |
| Main camera | 13 MP f/1.8 (Wide Angle)
2 MP f/2.4 (Depth Sensor)
2 MP with autofocus | |
| Video Recording | 1080p @ 30fps FHD | |
| Flash | Yes, LED | |
| Selfie camera | 5 MP f/2.2 (Wide Angle) with Screen Flash | |
| Features | HDR, Panorama | |
| Multimedia | Micromax IN 3B | other phones |
| Headphone jack | Yes | |
| Email | Yes | |
| FM Radio | Yes | |
| Music | Yes | |
| Video | Yes | |
| Browser | Yes | |
| Java | No | |
| Design | Micromax IN 3B | other phones |
| Dimensions | 164 x 75.8 x 8.9 mm | |
| Weight | 198 g | |
| Battery | Micromax IN 3B | other phones |
| Battery capacity | 6000 mAh, Li-Po Battery | |
| Type | Non-Removable Battery | |
