| Processor | HP EliteBook EliteBook 840 G3 Notebook PC (ENERGY STAR) T7N23AW | |
| Processor model | i5-6300U | |
| Processor series | Intel Core i5-6300 Mobile Series | |
| Processor socket | LGA 1356 (Socket B2) | |
| Processor threads | 4 | |
| Processor cores | 2 | |
| Processor codename | Skylake | |
| Processor family | 6th gen Intel Core i5 | |
| Processor frequency | 2.4 GHz | |
| Processor boost frequency | 3 GHz | |
| Processor cache | 3 MB | |
| Thermal Design Power (TDP) | 15 W | |
| Software | HP EliteBook EliteBook 840 G3 Notebook PC (ENERGY STAR) T7N23AW | other notebooks |
| Operating system installed | Windows 7 Professional | |
| Operating system architecture | 64-bit | |
| Display & Graphics | HP EliteBook EliteBook 840 G3 Notebook PC (ENERGY STAR) T7N23AW | other notebooks |
| Aspect ratio | 16:9 | |
| Display diagonal | 14 inch | |
| Display resolution | 1366 x 768 pixels | |
| Display surface | Matt | |
| Dual-screen | No | |
| LED backlight | Yes | |
| Touchscreen | No | |
| Discrete graphics adapter | No | |
| Discrete graphics adapter model | Not available | |
| Maximum on-board graphics adapter memory | 1.74 GB | |
| On-board graphics adapter | Yes | |
| On-board graphics adapter base frequency | 300 MHz | |
| On-board graphics adapter dynamic frequency (max) | 1000 MHz | |
| On-board graphics adapter family | Intel HD Graphics | |
| On-board graphics adapter model | Intel HD Graphics 520 | |
| On-board graphics adapter OpenGL | 4.4 | |
| Memory | HP EliteBook EliteBook 840 G3 Notebook PC (ENERGY STAR) T7N23AW | other notebooks |
| Internal memory | 4 GB | |
| Memory clock speed | 2133 MHz | |
| Memory layout (slots x size) | 1 x 4 GB | |
| Memory form factor | SO-DIMM | |
| Memory slots | 2x SO-DIMM | |
| Internal memory type | DDR4-SDRAM | |
| Storage | HP EliteBook EliteBook 840 G3 Notebook PC (ENERGY STAR) T7N23AW | other notebooks |
| SSD capacity | 256 GB | |
| Storage media | SSD | |
| Number of SSDs installed | 1 | |
| Total SSDs capacity | 256 GB | |
| Total storage capacity | 256 GB | |
| Optical drive type | No | |
| Card reader integrated | Yes | |
| Compatible memory cards | SD, SDHC, SDXC | |
| Network & Communication | HP EliteBook EliteBook 840 G3 Notebook PC (ENERGY STAR) T7N23AW | other notebooks |
| 3G | No | |
| 4G | No | |
| Bluetooth | Yes | |
| Bluetooth version | 4.2 | |
| Ethernet LAN | Yes | |
| Wi-Fi | Yes | |
| Wi-Fi standards | 802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n) | |
| Interfaces/Ports | HP EliteBook EliteBook 840 G3 Notebook PC (ENERGY STAR) T7N23AW | other notebooks |
| Charging port type | DC-in jack | |
| Combo headphone/mic port | Yes | |
| VGA (D-Sub) ports | 1 | |
| DisplayPorts quantity | 1 | |
| Docking connector | Yes | |
| DVI port | No | |
| Ethernet LAN (RJ-45) ports | 1 | |
| USB 3.0 (3.1 Gen 1) Type-A | 2 | |
| Input Devices | HP EliteBook EliteBook 840 G3 Notebook PC (ENERGY STAR) T7N23AW | other notebooks |
| Island-style keyboard | Yes | |
| Numeric keypad | No | |
| Pointing device | Touchpad | |
| Built-in Devices | HP EliteBook EliteBook 840 G3 Notebook PC (ENERGY STAR) T7N23AW | other notebooks |
| Front camera | Yes | |
| Power | HP EliteBook EliteBook 840 G3 Notebook PC (ENERGY STAR) T7N23AW | other notebooks |
| AC adapter power | 45 W | |
| Design | HP EliteBook EliteBook 840 G3 Notebook PC (ENERGY STAR) T7N23AW | other notebooks |
| Brand | HP | |
| Family | EliteBook | |
| Series | 800 | |
| Model name | EliteBook 840 G3 Notebook PC (ENERGY STAR) | |
| Part Number | T7N23AW | |
| Product type | Notebook | |
| Form factor | Clamshell | |
| Product colour | Black, Silver | |
| Depth | 237 mm | |
| Width | 338 mm | |
| Height | 18.9 mm | |
| Weight | 1.48 kg | |
| Release Date | 2016-01-11 | |
| Battery Information | HP EliteBook EliteBook 840 G3 Notebook PC (ENERGY STAR) T7N23AW | other notebooks |
| Battery capacity | 46 Wh | |
| Battery type | Lithium-Ion (Li-Ion) | |
| Number of battery cells | 3 | |
