| Hardware and OS | LG G3 LTE-A | |
| Operating system | Android 4.4.2 (KitKat), upgradable to 5.0.1 (Lollipop) | |
| Processor | Quad-core 2.7 GHz Krait 450 | |
| Chipset | Qualcomm APQ8084 Snapdragon 805 (28 nm) | |
| GPU | Adreno 420 | |
| Internal memory | 32 GB, 3 GB RAM | |
| External memory | microSD, up to 256 GB (dedicated slot) | |
| Display | LG G3 LTE-A | other phones |
| Type | True HD-IPS LCD | |
| Size | 5.5" inc | |
| Resolution | 1440 x 2560 px | |
| Protection | Corning Gorilla Glass 3 | |
| Touchscreen | capacitive touchscreen | |
| Screen-to-Body Ratio | 76.4% | |
| Display area | 83.4 cm2 | |
| Display aspect ratio | 16:9 (height:width) | |
| Pixel Density | 534 PPI | |
| Colors | 16M | |
| Connectivity | LG G3 LTE-A | other phones |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | |
| 3G Network | TD-SCDMA | |
| 4G Network | LTE-A | |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot | |
| Network | GSM / LTE | |
| SIM card | Micro-SIM | |
| Edge | Yes | |
| GPRS | Yes | |
| GPS | Yes, with A-GPS, GLONASS | |
| NFC | Yes | |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A Cat6 300/50 Mbps | |
| USB | microUSB 2.0 (SlimPort), USB Host | |
| Camera | LG G3 LTE-A | other phones |
| Main camera | 13 MP, Single | |
| Specs | 13 MP, 1/3', OIS, PDAF & laser AF | |
| Features | Dual-LED dual-tone flash, panorama, HDR | |
| Video | 2160p@30fps, 1080p@30fps, HDR, stereo sound rec. | |
| Selfie camera | 2.1 MP, Single | |
| Multimedia | LG G3 LTE-A | other phones |
| 3.5 mm Jack | Yes | |
| Radio | No | |
| Design | LG G3 LTE-A | other phones |
| Colors | Silk White, Shine Gold, Metallic Black, Wine, Moon Violet | |
| Dimensions | 146.3 x 74.6 x 9.1 mm | |
| Weight | 154 g | |
| Battery | LG G3 LTE-A | other phones |
| Battery capacity | 3000 mAh, Removable Li-Ion | |
| Battery life | Stand by time- Up to 500 h (3G) Talking time- Up to 20 h (3G)
| |
| Other | LG G3 LTE-A | other phones |
| Release date | 2014, January | |
| Sensors | Accelerometer, gyro, proximity, compass , Infrared port | |