| Processor | HP ProBook 640 G4 5LF59US | MEDION AKOYA E3221 30029627 |
| Processor model | i5-8250U | N4000 |
| Processor manufacturer | Intel | |
| Processor socket | BGA 1356 | BGA 1090 |
| Processor threads | 8 | 2 |
| Processor cores | 4 | 2 |
| Processor codename | Kaby Lake R | Gemini Lake |
| Processor family | Intel Core i5 | Intel Celeron |
| Processor frequency | 1.6 GHz | 1.1 GHz |
| Processor boost frequency | 3.4 GHz | 2.6 GHz |
| Processor boost cache | | 4 MB |
| Thermal Design Power (TDP) | 15 W | 6 W |
| Processor cache | 6 MB | |
| Processor lithography | | 14 nm |
| Software | HP ProBook 640 G4 5LF59US | MEDION AKOYA E3221 30029627 |
| Operating System | | Windows 10 Home S |
| Display & Graphics | HP ProBook 640 G4 5LF59US | MEDION AKOYA E3221 30029627 |
| Panel type | SVA | |
| Aspect ratio | | 0.672916667 |
| Display diagonal | 14 inch | 13.3 inch |
| Dual-screen | No | |
| Display resolution | 1366 x 768 pixels | 1920 x 1080 pixels |
| HD type | HD | Full HD |
| LED backlight | Yes | |
| Discrete graphics adapter | | No |
| Discrete graphics adapter model | | Not available |
| Graphics card | | Intel UHD Graphics 600 |
| On-Board graphics adapter model | | Intel UHD Graphics 600 |
| Graphics adapter memory | | 8 GB |
| Graphics card adapter max frequency: | | 650 MHz |
| Graphics graphics adapter base frequency | | 200 MHz |
| Memory | HP ProBook 640 G4 5LF59US | MEDION AKOYA E3221 30029627 |
| 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 | |
| Internal memory | 16 GB | 4 GB |
| Storage | HP ProBook 640 G4 5LF59US | MEDION AKOYA E3221 30029627 |
| SSD capacity | 256 GB | |
| Storage media | SSD | |
| Storage | | 128 GB SSD |
| Number of SSDs installed | 1 | |
| Optical drive type | No | No |
| Total SSDs capacity | 256 GB | |
| Total storage capacity | 256 GB | |
| Card reader integrated | Yes | |
| Compatible memory cards | MicroSD (TransFlash) | |
| Network & Communication | HP ProBook 640 G4 5LF59US | MEDION AKOYA E3221 30029627 |
| Bluetooth | Yes | Yes |
| Ethernet LAN | Yes | No |
| WiFi Standards | | 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) |
| Wi-Fi | Yes | |
| Wi-Fi standards | 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) | |
| Interfaces/Ports | HP ProBook 640 G4 5LF59US | MEDION AKOYA E3221 30029627 |
| HDMI | | 1 |
| USB 2.0 | | 1 |
| Input Devices | HP ProBook 640 G4 5LF59US | MEDION AKOYA E3221 30029627 |
| Keyboard Device | | Touchpad |
| Keyboard backlit | Yes | |
| Numeric keypad | No | |
| Pointing device | Clickpad | |
| Spill resistant keyboard | Yes | |
| Audio | HP ProBook 640 G4 5LF59US | MEDION AKOYA E3221 30029627 |
| Built-in microphone | Yes | |
| Number of speakers | 2 | |
| Number of microphones | 2 | |
| Built-in Devices | HP ProBook 640 G4 5LF59US | MEDION AKOYA E3221 30029627 |
| HP speaker type | HP Dual Speakers | |
| Front camera | Yes | |
| Power | HP ProBook 640 G4 5LF59US | MEDION AKOYA E3221 30029627 |
| AC Power Adapter | | 36 W |
| Design | HP ProBook 640 G4 5LF59US | MEDION AKOYA E3221 30029627 |
| Product type | Notebook | Hybrid (2-in-1) |
| Form Factor | Clamshell | Convertible (Folder) |
| Depth | | 215 mm |
| Width | | 315 mm |
| Height | | 15.7 mm |
| Weight | | 1.47 kg |
| Brand | HP | |
| Family | ProBook | |
| Series | 600 | |
| Model name | 640 G4 | |
| Part Number | 5LF59US | |
| Product colour | Silver | |
| Market positioning | Business | |
| Release Date | 25 June 2019 | |
| Battery Information | HP ProBook 640 G4 5LF59US | MEDION AKOYA E3221 30029627 |
| Battery capacity | 48 Wh | 5450 mAh |
| Battery type | Lithium-Ion (Li-Ion) | Lithium Polymer (LiPo) |
| Battery cells | | 2 |
| Number of battery cells | 3 | |
| Security | HP ProBook 640 G4 5LF59US | MEDION AKOYA E3221 30029627 |
| Cable lock slot | Yes | |
