| Processor | HP ProBook 4540s B6M85EA | MEDION AKOYA E3221 30029627 |
| Processor model | i5-2450M | N4000 |
| Processor series | Intel Core i5-2400 Mobile series | |
| Processor socket | | BGA 1090 |
| Processor threads | 4 | 2 |
| Processor cores | 2 | 2 |
| Processor codename | Sandy Bridge | Gemini Lake |
| Processor family | 2nd gen Intel Core i5 | Intel Celeron |
| Processor frequency | 2.5 GHz | 1.1 GHz |
| Motherboard chipset | Intel HM76 Express | |
| Processor boost frequency | 3.1 GHz | 2.6 GHz |
| Processor boost cache | | 4 MB |
| Processor cache | 3 MB | |
| Thermal Design Power (TDP) | 35 W | 6 W |
| Processor lithography | | 14 nm |
| Software | HP ProBook 4540s B6M85EA | MEDION AKOYA E3221 30029627 |
| Operating system installed | Windows 7 Professional | |
| Operating System | | Windows 10 Home S |
| Operating system architecture | 64-bit | |
| Display & Graphics | HP ProBook 4540s B6M85EA | MEDION AKOYA E3221 30029627 |
| Aspect ratio | 16:9 | 0.672916667 |
| Display diagonal | 15.6 inch | 13.3 inch |
| Display resolution | 1366 x 768 pixels | 1920 x 1080 pixels |
| HD type | HD | Full HD |
| 3D | No | |
| LED backlight | Yes | |
| Graphics card | | Intel UHD Graphics 600 |
| Touchscreen | No | |
| Discrete graphics adapter | Yes | No |
| Graphics adapter memory | | 8 GB |
| Discrete graphics adapter model | AMD Radeon HD 7650M | Not available |
| Graphics card adapter max frequency: | | 650 MHz |
| Graphics graphics adapter base frequency | | 200 MHz |
| Discrete graphics memory type | GDDR3 | |
| On-board graphics adapter | Yes | |
| On-board graphics adapter base frequency | 650 MHz | |
| On-board graphics adapter dynamic frequency (max) | 1300 MHz | |
| On-board graphics adapter family | Intel HD Graphics | |
| On-board graphics adapter model | Intel HD Graphics 3000 | Intel UHD Graphics 600 |
| Graphics adapter family | AMD, Intel | |
| Memory | HP ProBook 4540s B6M85EA | MEDION AKOYA E3221 30029627 |
| Internal memory | 4 GB | 4 GB |
| Maximum internal memory | 8 GB | |
| Memory clock speed | 1333 MHz | |
| Memory slots | 2x SO-DIMM | |
| Internal memory type | DDR3-SDRAM | |
| Storage | HP ProBook 4540s B6M85EA | MEDION AKOYA E3221 30029627 |
| Storage | | 128 GB SSD |
| HDD capacity | 500 GB | |
| HDD interface | Serial ATA II | |
| HDD speed | 7200 RPM | |
| Storage media | HDD | |
| Number of HDDs installed | 1 | |
| Total storage capacity | 500 GB | |
| Optical drive type | DVD Super Multi DL | No |
| Card reader integrated | Yes | |
| Network & Communication | HP ProBook 4540s B6M85EA | MEDION AKOYA E3221 30029627 |
| WiFi Standards | | 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) |
| 3G | No | |
| 4G | No | |
| Bluetooth | Yes | Yes |
| Bluetooth version | 4.0 EDR | |
| Cabling technology | 10/100/1000Base-T(X) | |
| Ethernet LAN | Yes | No |
| Networking features | Gigabit Ethernet | |
| Wi-Fi | Yes | |
| Wi-Fi standards | 802.11b, 802.11g, Wi-Fi 4 (802.11n) | |
| Interfaces/Ports | HP ProBook 4540s B6M85EA | MEDION AKOYA E3221 30029627 |
| HDMI | | 1 |
| HDMI ports quantity | 1 | |
| Infrared data port | No | |
| CardBus PCMCIA slot type | No | |
| Charging port type | DC-in jack | |
| Headphone outputs | 1 | |
| Combo headphone/mic port | No | |
| DVI port | No | |
| Ethernet LAN (RJ-45) ports | 1 | |
| ExpressCard slot | No | |
| Microphone in | Yes | |
| S/PDIF out port | No | |
| SmartCard slot | No | |
| TV out | No | |
| USB 2.0 | 2 | 1 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A | 2 | |
| Input Devices | HP ProBook 4540s B6M85EA | MEDION AKOYA E3221 30029627 |
| Keyboard Device | | Touchpad |
| Full-size keyboard | Yes | |
| Numeric keypad | Yes | |
| Pointing device | Touchpad | |
| Spill resistant keyboard | Yes | |
| Windows keys | Yes | |
| Audio | HP ProBook 4540s B6M85EA | MEDION AKOYA E3221 30029627 |
| Audio system | SRS PS | |
| Built-in microphone | Yes | |
| Number of speakers | 2 | |
| Built-in Devices | HP ProBook 4540s B6M85EA | MEDION AKOYA E3221 30029627 |
| Front camera | Yes | |
| Power | HP ProBook 4540s B6M85EA | MEDION AKOYA E3221 30029627 |
| AC Power Adapter | | 36 W |
| AC adapter power | 90 W | |
| Security | HP ProBook 4540s B6M85EA | MEDION AKOYA E3221 30029627 |
| Cable lock slot | No | |
| Design | HP ProBook 4540s B6M85EA | MEDION AKOYA E3221 30029627 |
| Brand | HP | |
| Family | ProBook | |
| Series | 4000 | |
| Model name | 4540s | |
| Part Number | B6M85EA | |
| Product type | Notebook | Hybrid (2-in-1) |
| Form factor | Clamshell | Convertible (Folder) |
| Product colour | Black, Silver | |
| EAN/UPC code | 0887111077943, 0887111078001, 0887111077950, 0887111077981, 0887111077998, 0887111077974, 0887111077967 | |
| Depth | 256 mm | 215 mm |
| Width | 375 mm | 315 mm |
| Height | 28 mm | 15.7 mm |
| Weight | 2.47 kg | 1.47 kg |
| Release Date | 2012-07-17 | |
| Battery Information | HP ProBook 4540s B6M85EA | MEDION AKOYA E3221 30029627 |
| Battery cells | | 2 |
| Battery capacity | 47 Wh | 5450 mAh |
| Battery type | Lithium-Ion (Li-Ion) | Lithium Polymer (LiPo) |
| Number of battery cells | 6 | |
