| Processor | HP ProBook 640 G4 4LU96US | |
| Processor model | i7-8650U | |
| Processor socket | BGA 1356 | |
| Processor threads | 8 | |
| Processor cores | 4 | |
| Processor codename | Kaby Lake R | |
| Processor family | 8th gen Intel Core i7 | |
| Processor frequency | 1.90 GHz | |
| Processor boost frequency | 4.20 GHz | |
| Processor cache | 8 MB | |
| Thermal Design Power (TDP) | 15 W | |
| Display & Graphics | HP ProBook 640 G4 4LU96US | other notebooks |
| Display diagonal | 14 inch | |
| Dual-screen | No | |
| LED backlight | Yes | |
| Maximum on-board graphics adapter memory | 32 GB | |
| On-board graphics adapter | Yes | |
| On-board graphics adapter base frequency | 300 MHz | |
| On-board graphics adapter DirectX version | 12.0 | |
| On-board graphics adapter dynamic frequency (max) | 1150 MHz | |
| On-board graphics adapter model | Intel UHD Graphics 620 | |
| On-board graphics adapter OpenGL | 4.4 | |
| Memory | HP ProBook 640 G4 4LU96US | other notebooks |
| Internal memory | 16 GB | |
| Maximum internal memory | 32 GB | |
| Memory clock speed | 2400 MHz | |
| Memory form factor | SO-DIMM | |
| Memory slots | 2x SO-DIMM | |
| Internal memory type | DDR4-SDRAM | |
| Storage | HP ProBook 640 G4 4LU96US | other notebooks |
| HDD capacity | 1000 GB | |
| Storage media | HDD | |
| Number of HDDs installed | 1 | |
| Total HDDs capacity | 1000 GB | |
| Total storage capacity | 1000 GB | |
| Optical drive type | No | |
| Card reader integrated | Yes | |
| Compatible memory cards | SD | |
| Network & Communication | HP ProBook 640 G4 4LU96US | other notebooks |
| Ethernet LAN | Yes | |
| Wi-Fi | Yes | |
| Interfaces/Ports | HP ProBook 640 G4 4LU96US | other notebooks |
| HDMI version | 1.4 | |
| HDMI ports quantity | 1 | |
| Combo headphone/mic port | Yes | |
| VGA (D-Sub) ports | 1 | |
| Docking connector | Yes | |
| Ethernet LAN (RJ-45) ports | 1 | |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A | 3 | |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-C | 1 | |
| Input Devices | HP ProBook 640 G4 4LU96US | other notebooks |
| Keyboard backlit | Yes | |
| Numeric keypad | No | |
| Pointing device | Clickpad | |
| Spill resistant keyboard | Yes | |
| Audio | HP ProBook 640 G4 4LU96US | other notebooks |
| Built-in microphone | Yes | |
| Number of speakers | 2 | |
| Number of microphones | 2 | |
| Built-in Devices | HP ProBook 640 G4 4LU96US | other notebooks |
| HP speaker type | HP Dual Speakers | |
| Front camera | Yes | |
| Design | HP ProBook 640 G4 4LU96US | other notebooks |
| Brand | HP | |
| Family | ProBook | |
| Series | 600 | |
| Model name | 640 G4 | |
| Part Number | 4LU96US | |
| Product type | Notebook | |
| Form factor | Clamshell | |
| Product colour | Silver | |
| Depth | 240 mm | |
| Width | 340 mm | |
| Height | 20.9 mm | |
| Weight | 1.73 kg | |
| Release Date | 2018-04-27 | |
| Battery Information | HP ProBook 640 G4 4LU96US | other notebooks |
| Battery capacity | 48 Wh | |
| Battery type | Lithium-Ion (Li-Ion) | |
| Number of battery cells | 3 | |
