| Processor | Lenovo ThinkPad T490 20N2003PUS | |
| Processor manufacturer | Intel | |
| Processor model | i7-8665U | |
| Processor socket | BGA 1528 | |
| Processor threads | 8 | |
| Processor cores | 4 | |
| Processor codename | Whiskey Lake | |
| Processor family | Intel Core i7 | |
| Processor frequency | 1.9 GHz | |
| Processor boost frequency | 4.8 GHz | |
| Processor cache | 8 MB | |
| Thermal Design Power (TDP) | 15 W | |
| Software | Lenovo ThinkPad T490 20N2003PUS | other notebooks |
| Operating system installed | Windows 10 Pro | |
| Display & Graphics | Lenovo ThinkPad T490 20N2003PUS | other notebooks |
| Contrast ratio | 700:1 | |
| Display diagonal | 14 inch | |
| Display resolution | 1920 x 1080 pixels | |
| Dual-screen | No | |
| HD type | Full HD | |
| LED backlight | Yes | |
| Memory | Lenovo ThinkPad T490 20N2003PUS | other notebooks |
| Internal memory | 8 GB | |
| Memory clock speed | 2400 MHz | |
| Memory form factor | On-board SO-DIMM | |
| Memory slots | 1x SO-DIMM | |
| Internal memory type | DDR4-SDRAM | |
| Storage | Lenovo ThinkPad T490 20N2003PUS | other notebooks |
| SSD capacity | 256 GB | |
| Storage media | SSD | |
| Number of SSDs installed | 1 | |
| Total storage capacity | 256 GB | |
| Optical drive type | No | |
| Card reader integrated | Yes | |
| Compatible memory cards | MicroSD (TransFlash) | |
| Network & Communication | Lenovo ThinkPad T490 20N2003PUS | other notebooks |
| Bluetooth | Yes | |
| Bluetooth version | 5.0 | |
| Ethernet LAN | Yes | |
| Wi-Fi | Yes | |
| Wi-Fi standards | 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) | |
| Interfaces/Ports | Lenovo ThinkPad T490 20N2003PUS | other notebooks |
| HDMI version | 1.4b | |
| HDMI ports quantity | 1 | |
| Headphone outputs | 1 | |
| Combo headphone/mic port | Yes | |
| Docking connector | Yes | |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A | 2 | |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-C | 1 | |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-C | 1 | |
| USB Sleep-and-Charge | 1 | |
| Input Devices | Lenovo ThinkPad T490 20N2003PUS | other notebooks |
| Numeric keypad | No | |
| Pointing device | ThinkPad UltraNav | |
| Audio | Lenovo ThinkPad T490 20N2003PUS | other notebooks |
| Audio chip | Realtek ALC3287 | |
| Audio system | Dolby Audio Premium | |
| Built-in microphone | Yes | |
| Number of speakers | 2 | |
| Speaker power | 2 W | |
| Security | Lenovo ThinkPad T490 20N2003PUS | other notebooks |
| Cable lock slot | Yes | |
| Password protection | Yes | |
| Design | Lenovo ThinkPad T490 20N2003PUS | other notebooks |
| Product type | Notebook | |
| Form factor | Clamshell | |
| Product colour | Black | |
| Depth | 227 mm | |
| Width | 329 mm | |
| Height | 17.9 mm | |
| Weight | 1.55 kg | |
| Battery Information | Lenovo ThinkPad T490 20N2003PUS | other notebooks |
| Battery type | Lithium Polymer (LiPo) | |
| Number of battery cells | 3 | |
