| Hardware and OS | Lenovo K9 | |
| Operating system | Android 8.1 (Oreo) | |
| Processor | Octa-core 2.0 GHz Cortex-A53 | |
| Chipset | Mediatek MT6762 Helio P22 (12 nm) | |
| GPU | PowerVR GE8320 | |
| Internal memory | 32 GB, 3 GB RAM | |
| External memory | microSD, up to 256 GB (uses shared SIM slot) | |
| Display | Lenovo K9 | other phones |
| Type | IPS LCD | |
| Size | 5.7" inc | |
| Resolution | 720 x 1440 px | |
| Touchscreen | capacitive touchscreen | |
| Screen-to-Body Ratio | 74.8% | |
| Display area | 83.8 cm2 | |
| Display aspect ratio | 18:9 (height:width) | |
| Pixel Density | 282 PPI | |
| Colors | 16M | |
| Connectivity | Lenovo K9 | other phones |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | |
| 4G Network | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500) | |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | |
| Network | GSM / HSPA / LTE | |
| SIM card | Hybrid Dual SIM (Nano-SIM, dual stand-by) | |
| Bluetooth | 4.1, A2DP, LE | |
| Edge | yes | |
| GPRS | yes | |
| GPS | Yes, with A-GPS | |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A Cat6 300/50 Mbps | |
| USB | 2.0, Type-C 1.0 reversible connector, USB On-The-Go | |
| Camera | Lenovo K9 | other phones |
| Main camera | 13 MP, Dual | |
| Specs | 13 MP, f/2.2, 1/3', 1.12µm, PDAF -5 MP, f/2.4, 1.12µm, depth sensor | |
| Features | Dual-LED dual-tone flash, panorama | |
| Video | 1080p@30/60fps | |
| Selfie camera | 13 MP, Dual | |
| Multimedia | Lenovo K9 | other phones |
| 3.5 mm Jack | Yes | |
| Radio | FM radio | |
| Design | Lenovo K9 | other phones |
| Colors | Black, Blue | |
| Dimensions | 153.8 x 72.9 x 8 mm | |
| Weight | 155 g | |
| Battery | Lenovo K9 | other phones |
| Battery capacity | 3000 mAh, Non-removable Li-Ion | |
| Other | Lenovo K9 | other phones |
| Release date | 2018, October | |
| Sensors | Fingerprint (rear-mounted), accelerometer, proximity | |