On this page we compare specs Lenovo IdeaPad S540 81NH0019US with other notebooks, we compare screens and performance, the amount of RAM and hard drive memory, external dimensions, battery capacity and the availability of external ports.
| Processor | Lenovo IdeaPad S540 81NH0019US | |
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| Processor manufacturer | AMD | |
| Processor model | 3700U | |
| Processor cores | 4 | |
| Processor family | AMD Ryzen 7 | |
| Processor frequency | 2.3 GHz | |
| Processor boost frequency | 4 GHz | |
| Processor cache | 4 MB | |
| Software | Lenovo IdeaPad S540 81NH0019US | other notebooks |
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| Operating system installed | Windows 10 Home | |
| Operating system architecture | 64-bit | |
| Display & Graphics | Lenovo IdeaPad S540 81NH0019US | other notebooks |
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| Panel type | IPS | |
| Display diagonal | 14 inch | |
| Display resolution | 1920 x 1080 pixels | |
| Display surface | Gloss | |
| 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 model | AMD Radeon RX Vega 10 | |
| Memory | Lenovo IdeaPad S540 81NH0019US | other notebooks |
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| Internal memory | 12 GB | |
| Maximum internal memory | 12 GB | |
| Memory clock speed | 2400 MHz | |
| Memory layout (slots x size) | 1 x 8 GB | |
| Memory form factor | On-board SO-DIMM | |
| Memory slots | 1x SO-DIMM | |
| Internal memory type | DDR4-SDRAM | |
| Storage | Lenovo IdeaPad S540 81NH0019US | other notebooks |
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| SSD capacity | 512 GB | |
| SSD interface | NVMe, PCI Express | |
| SSD form factor | M.2 | |
| Storage media | SSD | |
| Number of SSDs installed | 1 | |
| Total SSDs capacity | 512 GB | |
| Total storage capacity | 512 GB | |
| Optical drive type | No | |
| Card reader integrated | Yes | |
| Compatible memory cards | MMC, SD, SDHC, SDXC | |
| Network & Communication | Lenovo IdeaPad S540 81NH0019US | other notebooks |
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| Antenna type | 2x2 | |
| Bluetooth | Yes | |
| Bluetooth version | 4.2 | |
| Ethernet LAN | No | |
| Wi-Fi | Wi-Fi 5 (802.11ac) | |
| Wi-Fi standards | Wi-Fi 5 (802.11ac) | |
| Input Devices | Lenovo IdeaPad S540 81NH0019US | other notebooks |
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| Keyboard backlit | Yes | |
| Numeric keypad | No | |
| Pointing device | Touchpad | |
| Audio | Lenovo IdeaPad S540 81NH0019US | other notebooks |
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| Audio system | Dolby Audio | |
| Built-in microphone | Yes | |
| Number of speakers | 2 | |
| Number of microphones | 2 | |
| Speaker power | 2 W | |
| Built-in Devices | Lenovo IdeaPad S540 81NH0019US | other notebooks |
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| Front camera | Yes | |
| Front camera HD type | HD | |
| Front camera resolution | 1 MP | |
| Power | Lenovo IdeaPad S540 81NH0019US | other notebooks |
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| AC adapter power | 65 W | |
| Security | Lenovo IdeaPad S540 81NH0019US | other notebooks |
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| Fingerprint reader | Yes | |
| Password protection | Yes | |
| Trusted Platform Module (TPM) | Yes | |
| Design | Lenovo IdeaPad S540 81NH0019US | other notebooks |
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| Brand | Lenovo | |
| Family | IdeaPad | |
| Series | S | |
| Model name | S540 | |
| Part Number | 81NH0019US | |
| Product type | Notebook | |
| Form factor | Clamshell | |
| Product colour | Grey | |
| EAN/UPC code | 0193386387886, 193386387886 | |
| Release Date | 02 April 2019 | |
| Battery Information | Lenovo IdeaPad S540 81NH0019US | other notebooks |
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| Battery capacity | 45 Wh | |
| Battery type | Lithium Polymer (LiPo) | |
| Battery life | 9 h | |
