| Hardware and OS | Lava X81 | |
| Operating system | Android 5.1 (Lollipop), upgradable to 6.0 (Marshmallow) | |
| Processor | Quad-core | |
| Internal memory | 32 GB, 2 GB RAM | |
| External memory | microSD, up to 32 GB | |
| Display | Lava X81 | other phones |
| Type | IPS LCD | |
| Size | 5.5" inc | |
| Resolution | 720 x 1280 px | |
| Touchscreen | capacitive touchscreen | |
| Screen-to-Body Ratio | 74.9% | |
| Display area | 83.4 cm2 | |
| Display aspect ratio | 16:9 (height:width) | |
| Pixel Density | 267 PPI | |
| Colors | 16M | |
| Connectivity | Lava X81 | other phones |
| 2G Network | GSM 900 / 1800 - SIM 1 & SIM 2 | |
| 3G Network | HSDPA 900 / 2100 | |
| 4G Network | LTE band 3(1800), 40(2300) | |
| Wi-Fi | Wi-Fi 802.11 b/g/n, hotspot | |
| Network | GSM / HSPA / LTE | |
| SIM card | Dual SIM (Micro-SIM, dual stand-by) | |
| Bluetooth | 4.0, A2DP | |
| Edge | Yes | |
| GPRS | Yes | |
| GPS | Yes, with A-GPS | |
| Speed | HSPA, LTE Cat4 150/50 Mbps | |
| USB | microUSB 2.0 | |
| Camera | Lava X81 | other phones |
| Main camera | 8 MP, Single | |
| Specs | 8 MP, AF | |
| Features | LED flash | |
| Video | 1080p@30fps | |
| Selfie camera | 5 MP, Single | |
| Multimedia | Lava X81 | other phones |
| 3.5 mm Jack | Yes | |
| Radio | FM radio | |
| Design | Lava X81 | other phones |
| Colors | Blue | |
| Dimensions | 155 x 71.8 x 8.9 mm | |
| Weight | 158 g | |
| Battery | Lava X81 | other phones |
| Battery capacity | 2800 mAh, Removable Li-Po | |
| Other | Lava X81 | other phones |
| Release date | 2016, November | |
| Sensors | Accelerometer, proximity | |