| Processor | HP ProBook ProBook 4520s Notebook PC WD842EA | MEDION AKOYA E3221 30029627 |
| Processor model | i3-350M | N4000 |
| Processor series | Intel Core i3-300 Mobile series | |
| Processor socket | BGA 1288 | BGA 1090 |
| Processor threads | 4 | 2 |
| Processor cores | 2 | 2 |
| Processor codename | Arrandale | Gemini Lake |
| Processor family | 3rd gen Intel Core i3 | Intel Celeron |
| Processor frequency | 2.26 GHz | 1.1 GHz |
| Processor boost frequency | | 2.6 GHz |
| Motherboard chipset | Intel HM57 Express | |
| Processor boost cache | | 4 MB |
| Processor cache | 3 MB | |
| Thermal Design Power (TDP) | 35 W | 6 W |
| Processor lithography | | 14 nm |
| Software | HP ProBook ProBook 4520s Notebook PC WD842EA | MEDION AKOYA E3221 30029627 |
| Operating system installed | Windows 7 Professional | |
| Operating System | | Windows 10 Home S |
| Display & Graphics | HP ProBook ProBook 4520s Notebook PC WD842EA | 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 |
| LED backlight | Yes | |
| HD type | | Full HD |
| Discrete graphics adapter | Yes | No |
| Discrete graphics adapter model | Intel HD Graphics | Not available |
| On-board graphics adapter | Yes | |
| Graphics card | | Intel UHD Graphics 600 |
| On-board graphics adapter base frequency | 500 MHz | |
| On-board graphics adapter dynamic frequency (max) | 667 MHz | |
| Graphics adapter memory | | 8 GB |
| On-board graphics adapter family | Intel HD Graphics | |
| Graphics card adapter max frequency: | | 650 MHz |
| On-board graphics adapter model | Intel HD Graphics | Intel UHD Graphics 600 |
| Graphics graphics adapter base frequency | | 200 MHz |
| Graphics adapter family | Intel | |
| Memory | HP ProBook ProBook 4520s Notebook PC WD842EA | MEDION AKOYA E3221 30029627 |
| Internal memory | 3 GB | 4 GB |
| Maximum internal memory | 8 GB | |
| Memory clock speed | 1333 MHz | |
| Memory layout (slots x size) | 1 x 1 1 x 2 GB | |
| Memory slots | 2x SO-DIMM | |
| Memory upgrade | 8 GB | |
| Storage | HP ProBook ProBook 4520s Notebook PC WD842EA | MEDION AKOYA E3221 30029627 |
| Storage | | 128 GB SSD |
| HDD interface | Serial ATA | |
| HDD speed | 7200 RPM | |
| Storage media | HDD | |
| Number of HDDs installed | 1 | |
| Total HDDs capacity | 320 GB | |
| Total storage capacity | 320 GB | |
| LightScribe | Yes | |
| Optical drive type | DVD Super Multi DL | No |
| Card reader integrated | Yes | |
| Input Devices | HP ProBook ProBook 4520s Notebook PC WD842EA | MEDION AKOYA E3221 30029627 |
| Keyboard Device | | Touchpad |
| Built-in Devices | HP ProBook ProBook 4520s Notebook PC WD842EA | MEDION AKOYA E3221 30029627 |
| Power | HP ProBook ProBook 4520s Notebook PC WD842EA | MEDION AKOYA E3221 30029627 |
| AC Power Adapter | | 36 W |
| Network & Communication | HP ProBook ProBook 4520s Notebook PC WD842EA | MEDION AKOYA E3221 30029627 |
| Ethernet LAN | | No |
| WiFi Standards | | 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) |
| Bluetooth | Yes | Yes |
| Bluetooth version | 2.1 EDR | |
| Networking features | Realtek Ethernet (10/100/1000 NIC) | |
| Wi-Fi | Yes | |
| Interfaces/Ports | HP ProBook ProBook 4520s Notebook PC WD842EA | MEDION AKOYA E3221 30029627 |
| HDMI | | 1 |
| HDMI ports quantity | 1 | |
| Infrared data port | No | |
| Internal modem | No | |
| TV-in port | No | |
| Wireless technology | Atheros 802.11b/g/n; HP Integrated Module with Bluetooth 2.1 Wireless Technology | |
| CardBus PCMCIA slot type | No | |
| Charging port type | DC-in jack | |
| Headphone outputs | 1 | |
| VGA (D-Sub) ports | 1 | |
| Docking connector | No | |
| DVI port | No | |
| eSATA ports quantity | 1 | |
| Ethernet LAN (RJ-45) ports | 1 | |
| ExpressCard slot | Yes | |
| Microphone in | Yes | |
| S/PDIF out port | No | |
| SmartCard slot | Yes | |
| TV out | No | |
| USB 2.0 | 3 | 1 |
| Audio | HP ProBook ProBook 4520s Notebook PC WD842EA | MEDION AKOYA E3221 30029627 |
| Audio system | HD Audio | |
| Number of speakers | 2 | |
| Security | HP ProBook ProBook 4520s Notebook PC WD842EA | MEDION AKOYA E3221 30029627 |
| Cable lock slot | Yes | |
| Cable lock slot type | Kensington | |
| Design | HP ProBook ProBook 4520s Notebook PC WD842EA | MEDION AKOYA E3221 30029627 |
| Product type | | Hybrid (2-in-1) |
| Form Factor | | Convertible (Folder) |
| Height | | 15.7 mm |
| Brand | HP | |
| Family | ProBook | |
| Series | 4000 | |
| Model name | ProBook 4520s Notebook PC | |
| Part Number | WD842EA | |
| Product colour | Black | |
| EAN/UPC code | 0885631516430, 0885631060759, 0885631060773, 0885631360163, 0885631060766, 0885631360439, 0885631100288, 0885631135914, 0885631135624, 0885631060780, 0885631060704, 0885631360446 | |
| Dimensions (WxDxH) | 371.8 x 249.6 x 27.7 mm | |
| Depth | 249.6 mm | 215 mm |
| Width | 371.8 mm | 315 mm |
| Height (front) | 2.77 cm | |
| Weight | 2.39 kg | 1.47 kg |
| Release Date | 2010-06-01 | |
| Battery Information | HP ProBook ProBook 4520s Notebook PC WD842EA | MEDION AKOYA E3221 30029627 |
| Battery capacity | | 5450 mAh |
| Battery cells | | 2 |
| Battery type | 6-cell (47 WHr) Lithium-Ion Battery | Lithium Polymer (LiPo) |
| Number of battery cells | 6 | |
