| Processor | HP ProBook 645 G2 (ENERGY STAR) Y3B27EA | |
| Processor manufacturer | AMD | |
| Processor model | PRO A10-8700B | |
| Processor threads | 4 | |
| Processor cores | 4 | |
| Processor family | 6th Generation AMD PRO A10-Series | |
| Processor frequency | 1.8 GHz | |
| Processor boost frequency | 3.2 GHz | |
| Processor cache | 2 MB | |
| Thermal Design Power (TDP) | 15 W | |
| Software | HP ProBook 645 G2 (ENERGY STAR) Y3B27EA | other notebooks |
| Operating system installed | Windows 7 Professional | |
| Optional operating system supplied | Windows 10 Pro | |
| Operating system architecture | 64-bit | |
| Display & Graphics | HP ProBook 645 G2 (ENERGY STAR) Y3B27EA | other notebooks |
| Panel type | SVA | |
| Aspect ratio | 16:9 | |
| Display diagonal | 14 inch | |
| Display resolution | 1920 x 1080 pixels | |
| Display surface | Matt | |
| HD type | Full HD | |
| LED backlight | Yes | |
| Touchscreen | No | |
| Discrete graphics adapter | No | |
| Discrete graphics adapter model | Not available | |
| On-board graphics adapter | Yes | |
| On-board graphics adapter base frequency | 800 MHz | |
| On-board graphics adapter DirectX version | 12.0 | |
| On-board graphics adapter family | AMD Radeon R6 | |
| On-board graphics adapter model | AMD Radeon R6 | |
| Memory | HP ProBook 645 G2 (ENERGY STAR) Y3B27EA | other notebooks |
| Internal memory | 4 GB | |
| Maximum internal memory | 16 GB | |
| Memory clock speed | 1600 MHz | |
| Memory layout (slots x size) | 1 x 4 GB | |
| Memory form factor | SO-DIMM | |
| Memory slots | 2x SO-DIMM | |
| Internal memory type | DDR3L-SDRAM | |
| Storage | HP ProBook 645 G2 (ENERGY STAR) Y3B27EA | other notebooks |
| HDD capacity | 500 GB | |
| HDD interface | SATA | |
| HDD speed | 7200 RPM | |
| Storage media | HDD | |
| Number of HDDs installed | 1 | |
| Total HDDs capacity | 500 GB | |
| Total storage capacity | 500 GB | |
| Optical drive type | DVD Super Multi DL | |
| Card reader integrated | Yes | |
| Compatible memory cards | SD, SDHC, SDXC | |
| Network & Communication | HP ProBook 645 G2 (ENERGY STAR) Y3B27EA | other notebooks |
| Bluetooth | Yes | |
| Bluetooth version | 4.0 | |
| 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) | |
| Input Devices | HP ProBook 645 G2 (ENERGY STAR) Y3B27EA | other notebooks |
| Full-size keyboard | Yes | |
| Island-style keyboard | Yes | |
| Numeric keypad | No | |
| Pointing device | Touchpad | |
| Windows keys | Yes | |
| Audio | HP ProBook 645 G2 (ENERGY STAR) Y3B27EA | other notebooks |
| Audio decoders | DTS Studio Sound | |
| Built-in microphone | Yes | |
| Number of speakers | 2 | |
| Built-in Devices | HP ProBook 645 G2 (ENERGY STAR) Y3B27EA | other notebooks |
| Front camera | Yes | |
| Front camera resolution | 1280 x 720 pixels | |
| Power | HP ProBook 645 G2 (ENERGY STAR) Y3B27EA | other notebooks |
| AC adapter power | 45 W | |
| Security | HP ProBook 645 G2 (ENERGY STAR) Y3B27EA | other notebooks |
| Cable lock slot | Yes | |
| Design | HP ProBook 645 G2 (ENERGY STAR) Y3B27EA | other notebooks |
| Brand | HP | |
| Family | ProBook | |
| Series | 600 | |
| Model name | ProBook 645 G2 Notebook PC (ENERGY STAR) | |
| Part Number | Y3B27EA | |
| Product type | Notebook | |
| Form factor | Clamshell | |
| Product colour | Black, Silver | |
| EAN/UPC code | 0190780450499, 0190780450529, 0190780450475, 0190780450512, 0190780450482, 0190780450505 | |
| Release Date | 01 August 2016 | |
| Battery Information | HP ProBook 645 G2 (ENERGY STAR) Y3B27EA | other notebooks |
| Battery capacity | 48 Wh | |
| Battery type | Lithium-Ion (Li-Ion) | |
| Number of battery cells | 3 | |
