| Processor | HP EliteBook 820 G4 Z2V91EAR | |
| Processor model | i5-7200U | |
| Processor socket | BGA 1356 | |
| Processor threads | 4 | |
| Processor cores | 2 | |
| Processor codename | Kaby Lake | |
| Processor family | 7th gen Intel Core i5 | |
| Processor frequency | 2.50 GHz | |
| Processor boost frequency | 3.10 GHz | |
| Processor cache | 3 MB | |
| Thermal Design Power (TDP) | 15 W | |
| Software | HP EliteBook 820 G4 Z2V91EAR | other notebooks |
| Operating system installed | Windows 10 Pro | |
| Operating system architecture | 64-bit | |
| Display & Graphics | HP EliteBook 820 G4 Z2V91EAR | other notebooks |
| Aspect ratio | 16:9 | |
| Display diagonal | 12.5 inch | |
| Display resolution | 1920 x 1080 pixels | |
| HD type | Full HD | |
| LED backlight | Yes | |
| Touchscreen | No | |
| Discrete graphics adapter | No | |
| Discrete graphics adapter model | Not available | |
| Maximum on-board graphics adapter memory | 32 GB | |
| Number of displays supported | 3 | |
| 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) | 1000 MHz | |
| On-board graphics adapter model | Intel HD Graphics 620 | |
| On-board graphics adapter OpenGL | 4.4 | |
| Memory | HP EliteBook 820 G4 Z2V91EAR | other notebooks |
| Internal memory | 8 GB | |
| Maximum internal memory | 32 GB | |
| Memory clock speed | 2133 MHz | |
| Memory layout (slots x size) | 1 x 8 GB | |
| Memory slots | 2x SO-DIMM | |
| Internal memory type | DDR4-SDRAM | |
| Storage | HP EliteBook 820 G4 Z2V91EAR | other notebooks |
| SSD capacity | 256 GB | |
| SSD interface | PCI Express | |
| Storage media | SSD | |
| Number of SSDs installed | 1 | |
| Total storage capacity | 256 GB | |
| Optical drive type | No | |
| Card reader integrated | Yes | |
| Compatible memory cards | SD, SDHC, SDXC | |
| Network & Communication | HP EliteBook 820 G4 Z2V91EAR | other notebooks |
| 3G | No | |
| 4G | No | |
| Bluetooth | Yes | |
| Bluetooth version | 4.2 | |
| Ethernet LAN | Yes | |
| Wi-Fi | Yes | |
| Wi-Fi standards | IEEE 802.11a, IEEE 802.11ac, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n | |
| Interfaces/Ports | HP EliteBook 820 G4 Z2V91EAR | other notebooks |
| Combo headphone/mic port | Yes | |
| DC-in jack | 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 | |
| USB 3.0 (3.1 Gen 1) Type-C | 1 | |
| Input Devices | HP EliteBook 820 G4 Z2V91EAR | other notebooks |
| Numeric keypad | No | |
| Pointing device | Touchpad | |
| Audio | HP EliteBook 820 G4 Z2V91EAR | other notebooks |
| Built-in microphone | Yes | |
| Number of speakers | 2 | |
| Speakers manufacturer | Bang & Olufsen | |
| Built-in Devices | HP EliteBook 820 G4 Z2V91EAR | other notebooks |
| Front camera | Yes | |
| Front camera signal format | 720p | |
| Power | HP EliteBook 820 G4 Z2V91EAR | other notebooks |
| AC adapter power | 45 W | |
| Security | HP EliteBook 820 G4 Z2V91EAR | other notebooks |
| Cable lock slot | Yes | |
| Fingerprint reader | Yes | |
| Trusted Platform Module (TPM) | Yes | |
| Design | HP EliteBook 820 G4 Z2V91EAR | other notebooks |
| Brand | HP | |
| Family | EliteBook | |
| Series | 800 | |
| Model name | 820 G4 | |
| Part Number | Z2V91EAR | |
| Product type | Notebook | |
| Form factor | Clamshell | |
| Colour of product | Silver | |
| Depth | 218.9 mm | |
| Width | 310 mm | |
| Height | 18.9 mm | |
| Weight | 1.26 kg | |
| Release Date | 2017-07-20 | |
| Battery Information | HP EliteBook 820 G4 Z2V91EAR | other notebooks |
| Battery capacity | 49 Wh | |
| Battery type | Lithium-Ion (Li-Ion) | |
| Battery life | 14.7 h | |
| Number of battery cells | 3 | |
