On this page we compare specs Lenovo Legion Y540 81SX00CSIX 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 Legion Y540 81SX00CSIX | |
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| Processor model | i7-9750H | |
| Processor cores | 6 | |
| Processor family | 9th gen Intel Core i7 | |
| Processor frequency | 2.6 GHz | |
| Processor boost frequency | 4.5 GHz | |
| Processor cache | 12 MB | |
| Thermal Design Power (TDP) | 45 W | |
| Software | Lenovo Legion Y540 81SX00CSIX | other notebooks |
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| Operating system installed | Windows 10 Home | |
| Operating system architecture | 64-bit | |
| Display & Graphics | Lenovo Legion Y540 81SX00CSIX | other notebooks |
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| Panel type | IPS | |
| Aspect ratio | 16:9 | |
| Display diagonal | 15.6 inch | |
| Display resolution | 1920 x 1080 pixels | |
| Dual-screen | No | |
| HD type | Full HD | |
| 3D | No | |
| LED backlight | Yes | |
| Maximum refresh rate | 144 Hz | |
| NTSC coverage | 72% | |
| Touchscreen | No | |
| Discrete graphics adapter | Yes | |
| Discrete graphics adapter memory | 6 GB | |
| Discrete graphics adapter model | NVIDIA GeForce GTX 1660 Ti | |
| Discrete graphics memory type | GDDR6 | |
| On-board graphics adapter | Yes | |
| On-board graphics adapter model | Intel UHD Graphics 630 | |
| Memory | Lenovo Legion Y540 81SX00CSIX | other notebooks |
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| Internal memory | 16 GB | |
| Maximum internal memory | 32 GB | |
| Memory clock speed | 2666 MHz | |
| Memory layout (slots x size) | 2 x 8 GB | |
| Memory form factor | SO-DIMM | |
| Memory slots | 2x SO-DIMM | |
| Internal memory type | DDR4-SDRAM | |
| Storage | Lenovo Legion Y540 81SX00CSIX | other notebooks |
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| SSD capacity | 256 GB | |
| HDD capacity | 1000 GB | |
| HDD interface | SATA III | |
| HDD size | 2.5" | |
| SSD form factor | M.2 | |
| HDD speed | 7200 RPM | |
| Storage media | HDD SSD | |
| Number of SSDs installed | 1 | |
| Number of HDDs installed | 1 | |
| Total SSDs capacity | 256 GB | |
| Total HDDs capacity | 1000 GB | |
| Total storage capacity | 1256 GB | |
| Optical drive type | No | |
| Card reader integrated | No | |
| Network & Communication | Lenovo Legion Y540 81SX00CSIX | other notebooks |
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| 3G | No | |
| 4G | No | |
| Antenna type | 2x2 | |
| Bluetooth | Yes | |
| Bluetooth version | 4.2 | |
| Ethernet LAN | Yes | |
| Wi-Fi | Wi-Fi 5 (802.11ac) | |
| Wi-Fi standards | Wi-Fi 5 (802.11ac) | |
| WWAN | No | |
| Interfaces/Ports | Lenovo Legion Y540 81SX00CSIX | other notebooks |
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| HDMI version | 2.0 | |
| HDMI ports quantity | 1 | |
| Charging port type | DC-in jack | |
| Combo headphone/mic port | Yes | |
| Ethernet LAN (RJ-45) ports | 1 | |
| Mini DisplayPorts quantity | 1 | |
| USB 3.0 (3.1 Gen 1) Type-A | 3 | |
| USB 3.0 (3.1 Gen 1) Type-C | 1 | |
| USB Sleep-and-Charge | 1 | |
| Input Devices | Lenovo Legion Y540 81SX00CSIX | other notebooks |
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| Keyboard backlit | Yes | |
| Keyboard backlit colour | White | |
| Numeric keypad | Yes | |
| Pointing device | Touchpad | |
| Windows keys | Yes | |
| Audio | Lenovo Legion Y540 81SX00CSIX | other notebooks |
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| Audio chip | Realtek ALC3287 | |
| Built-in microphone | Yes | |
| Number of speakers | 2 | |
| Speaker power | 2 W | |
| Speakers manufacturer | Harman Kardon | |
| Built-in Devices | Lenovo Legion Y540 81SX00CSIX | other notebooks |
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| Auto focus | No | |
| Front camera | Yes | |
| Front camera HD type | HD | |
| Front camera resolution | 1 MP | |
| Front camera signal format | 720p | |
| Power | Lenovo Legion Y540 81SX00CSIX | other notebooks |
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| AC adapter power | 230 W | |
| Security | Lenovo Legion Y540 81SX00CSIX | other notebooks |
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| Cable lock slot | Yes | |
| Fingerprint reader | No | |
| Password protection | Yes | |
| Trusted Platform Module (TPM) | Yes | |
| Design | Lenovo Legion Y540 81SX00CSIX | other notebooks |
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| Brand | Lenovo | |
| Family | Legion | |
| Model name | Y540 | |
| Part Number | 81SX00CSIX | |
| Product type | Notebook | |
| Form factor | Clamshell | |
| Product colour | Black | |
| Market positioning | Gaming | |
| Housing material | Acrylonitrile butadiene styrene (ABS), Polycarbonate | |
| EAN/UPC code | 0193638205609 | |
| Depth | 267 mm | |
| Width | 360 mm | |
| Height (rear) | 2.59 cm | |
| Height (front) | 2.42 cm | |
| Weight | 2.3 kg | |
| Release Date | 2019-06-28 | |
| Battery Information | Lenovo Legion Y540 81SX00CSIX | other notebooks |
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| Battery capacity | 57 Wh | |
| Battery type | Lithium-Ion (Li-Ion) | |
| Battery life | 5 h | |
