| Processor | Lenovo IdeaPad 520 81BF0031AX | MEDION AKOYA E3221 30029627 |
| Processor model | i7-8550U | N4000 |
| Processor socket | BGA 1356 | BGA 1090 |
| Processor threads | 8 | 2 |
| Processor cores | 4 | 2 |
| Processor codename | Kaby Lake R | Gemini Lake |
| Processor family | 8th gen Intel Core i7 | Intel Celeron |
| Processor frequency | 1.80 GHz | 1.1 GHz |
| Motherboard chipset | Intel SoC | |
| Processor boost frequency | 4.00 GHz | 2.6 GHz |
| Processor boost cache | | 4 MB |
| Processor cache | 8 MB | |
| Thermal Design Power (TDP) | 15 W | 6 W |
| Processor lithography | | 14 nm |
| Software | Lenovo IdeaPad 520 81BF0031AX | MEDION AKOYA E3221 30029627 |
| Operating system installed | FreeDOS | |
| Operating System | | Windows 10 Home S |
| Operating system architecture | 64-bit | |
| Display & Graphics | Lenovo IdeaPad 520 81BF0031AX | MEDION AKOYA E3221 30029627 |
| Panel type | IPS | |
| Aspect ratio | 16:9 | 0.672916667 |
| Display brightness | 250 cd/m? | |
| Display diagonal | 15.6 inch | 13.3 inch |
| Display resolution | 1920 x 1080 pixels | 1920 x 1080 pixels |
| HD type | Full HD | Full HD |
| Graphics card | | Intel UHD Graphics 600 |
| 3D | No | |
| LED backlight | Yes | |
| Graphics adapter memory | | 8 GB |
| Screen shape | Flat | |
| Graphics card adapter max frequency: | | 650 MHz |
| Graphics graphics adapter base frequency | | 200 MHz |
| Touchscreen | No | |
| Discrete graphics adapter | Yes | No |
| Discrete graphics adapter memory | 4 GB | |
| Discrete graphics adapter model | NVIDIA GeForce MX150 | Not available |
| Discrete graphics memory type | GDDR5 | |
| Maximum on-board graphics adapter memory | 32 GB | |
| Number of discrete graphics adapters installed | 1 | |
| Number of discrete graphics adapters supported | 1 | |
| 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) | 1150 MHz | |
| On-board graphics adapter model | Intel UHD Graphics 620 | Intel UHD Graphics 600 |
| On-board graphics adapter OpenGL | 4.4 | |
| Memory | Lenovo IdeaPad 520 81BF0031AX | MEDION AKOYA E3221 30029627 |
| Internal memory | 16 GB | 4 GB |
| Maximum internal memory | 16 GB | |
| Memory clock speed | 2133 MHz | |
| Memory layout (slots x size) | 1 x 16 GB | |
| Memory form factor | On-board SO-DIMM | |
| Memory slots | 1x SO-DIMM | |
| Internal memory type | DDR4-SDRAM | |
| Storage | Lenovo IdeaPad 520 81BF0031AX | MEDION AKOYA E3221 30029627 |
| Storage | | 128 GB SSD |
| Optical drive type | | No |
| HDD capacity | 2000 GB | |
| HDD interface | SATA III | |
| HDD size | 2.5" | |
| Storage media | HDD | |
| Number of HDDs installed | 1 | |
| Total storage capacity | 2000 GB | |
| LightScribe | No | |
| Card reader integrated | Yes | |
| Compatible memory cards | MMC, SD, SDHC, SDXC | |
| Network & Communication | Lenovo IdeaPad 520 81BF0031AX | 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 | 4.1 | |
| Ethernet LAN | Yes | No |
| Wi-Fi | Yes | |
| Wi-Fi standards | IEEE 802.11a, IEEE 802.11ac, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n | |
| Interfaces/Ports | Lenovo IdeaPad 520 81BF0031AX | MEDION AKOYA E3221 30029627 |
| HDMI | | 1 |
| USB 2.0 | | 1 |
| HDMI ports quantity | 1 | |
| Charging port type | DC-in jack | |
| Combo headphone/mic port | Yes | |
| Ethernet LAN (RJ-45) ports | 1 | |
| Microphone in | No | |
| USB 3.0 (3.1 Gen 1) Type-A | 2 | |
| USB 3.0 (3.1 Gen 1) Type-C | 1 | |
| Input Devices | Lenovo IdeaPad 520 81BF0031AX | MEDION AKOYA E3221 30029627 |
| Keyboard Device | | Touchpad |
| Keyboard backlit | Yes | |
| Numeric keypad | Yes | |
| Pointing device | Touchpad | |
| Windows keys | Yes | |
| Audio | Lenovo IdeaPad 520 81BF0031AX | MEDION AKOYA E3221 30029627 |
| Audio system | Dolby Audio | |
| Built-in microphone | Yes | |
| Number of speakers | 2 | |
| Speaker power | 2 W | |
| Speakers manufacturer | Harman Kardon | |
| Built-in Devices | Lenovo IdeaPad 520 81BF0031AX | MEDION AKOYA E3221 30029627 |
| Auto focus | No | |
| Front camera | Yes | |
| Front camera resolution | 1280 x 720 pixels | |
| Front camera signal format | 720p | |
| Power | Lenovo IdeaPad 520 81BF0031AX | MEDION AKOYA E3221 30029627 |
| AC Power Adapter | | 36 W |
| AC adapter frequency | 50/60 Hz | |
| AC adapter input voltage | 100 - 240 V | |
| Security | Lenovo IdeaPad 520 81BF0031AX | MEDION AKOYA E3221 30029627 |
| Cable lock slot | Yes | |
| Password protection | Yes | |
| Trusted Platform Module (TPM) | No | |
| Design | Lenovo IdeaPad 520 81BF0031AX | MEDION AKOYA E3221 30029627 |
| Brand | Lenovo | |
| Family | IdeaPad | |
| Series | 500 | |
| Model name | 520 | |
| Part Number | 81BF0031AX | |
| Product type | Notebook | Hybrid (2-in-1) |
| Form factor | Clamshell | Convertible (Folder) |
| Product colour | Grey | |
| Housing material | Metal | |
| Depth | 260 mm | 215 mm |
| Width | 378 mm | 315 mm |
| Height | 22 mm | 15.7 mm |
| Weight | 2.2 kg | 1.47 kg |
| Release Date | 2017-12-12 | |
| Battery Information | Lenovo IdeaPad 520 81BF0031AX | MEDION AKOYA E3221 30029627 |
| Battery capacity | | 5450 mAh |
| Battery cells | | 2 |
| Battery type | Lithium Polymer (LiPo) | Lithium Polymer (LiPo) |
| Battery life | 6 h | |
| Number of battery cells | 2 | |
