| Processor | Lenovo ThinkPad T490 20N3S7DG0L | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| Processor model | i5-8365U | i5-6200U |
| Processor cores | 4 | 2 |
| Processor series | | Intel Core i5-6200 series |
| Processor family | 8th gen Intel Core i5 | 6th gen Intel Core i5 |
| Processor socket | | LGA 1356 (Socket B2) |
| Processor frequency | 1.6 GHz | 2.3 GHz |
| Processor threads | | 4 |
| Processor boost frequency | 4.1 GHz | 2.8 GHz |
| Processor cache | 6 MB | 3 MB |
| Processor codename | | Skylake |
| Thermal Design Power (TDP) | 15 W | 15 W |
| Software | Lenovo ThinkPad T490 20N3S7DG0L | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| Operating system installed | Windows 10 Pro | Windows 10 Pro |
| Operating system architecture | 64-bit | 64-bit |
| Display & Graphics | Lenovo ThinkPad T490 20N3S7DG0L | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| Aspect ratio | 16:9 | 16:9 |
| Display diagonal | 14 inch | 15.6 inch |
| Dual-screen | No | |
| LED backlight | Yes | Yes |
| On-board graphics adapter | Yes | Yes |
| Panel type | | IPS |
| On-board graphics adapter model | Intel UHD Graphics 620 | Intel HD Graphics 520 |
| Display resolution | | 1920 x 1080 pixels |
| HD type | | Full HD |
| Touchscreen | | No |
| Discrete graphics adapter | | No |
| Discrete graphics adapter model | | Not available |
| Maximum on-board graphics adapter memory | | 1.74 GB |
| Number of displays supported | | 3 |
| On-board graphics adapter base frequency | | 300 MHz |
| On-board graphics adapter dynamic frequency (max) | | 1000 MHz |
| On-board graphics adapter family | | Intel HD Graphics |
| On-board graphics adapter OpenGL | | 4.4 |
| Memory | Lenovo ThinkPad T490 20N3S7DG0L | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| Internal memory | 8 GB | 8 GB |
| Memory clock speed | 2400 MHz | 1600 MHz |
| Memory form factor | On-board SO-DIMM | |
| Memory slots | 1x SO-DIMM | 2x SO-DIMM |
| Internal memory type | DDR4-SDRAM | DDR3L-SDRAM |
| Maximum internal memory | | 16 GB |
| Memory layout (slots x size) | | 1 x 8 GB |
| Storage | Lenovo ThinkPad T490 20N3S7DG0L | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| SSD capacity | 256 GB | 256 GB |
| SSD interface | PCI Express | |
| SSD form factor | M.2 | |
| Storage media | SSD | SSD |
| Number of SSDs installed | 1 | 1 |
| Total SSDs capacity | 256 GB | |
| Total storage capacity | 256 GB | 256 GB |
| Optical drive type | No | DVD Super Multi DL |
| Card reader integrated | Yes | Yes |
| Compatible memory cards | MicroSD (TransFlash) | MMC, SD, SDHC, SDXC |
| Network & Communication | Lenovo ThinkPad T490 20N3S7DG0L | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| Antenna type | 2x2 | |
| Bluetooth | Yes | Yes |
| Bluetooth version | 5.0 | 4.1 |
| Ethernet LAN | Yes | Yes |
| Wi-Fi | Wi-Fi 5 (802.11ac) | Yes |
| Wi-Fi standards | Wi-Fi 5 (802.11ac) | IEEE 802.11a, IEEE 802.11ac, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n |
| WLAN | Intel Dual Band Wireless-AC 9560 | |
| 3G | | No |
| 4G | | No |
| Interfaces/Ports | Lenovo ThinkPad T490 20N3S7DG0L | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| HDMI version | 1.4b | |
| HDMI ports quantity | 1 | 1 |
| Combo headphone/mic port | Yes | Yes |
| Ethernet LAN (RJ-45) ports | 1 | 1 |
| Microphone in | No | Yes |
| USB 3.0 (3.1 Gen 1) Type-A | 2 | 4 |
| USB 3.0 (3.1 Gen 1) Type-C | 1 | |
| USB 3.1 (Gen 2) Type-C | 1 | |
| USB Sleep-and-Charge | Yes | 1 |
| USB Type-C DisplayPort Alternate Mode | Yes | |
| Headphone outputs | | |
| DC-in jack | | |
| VGA (D-Sub) ports | | |
| Docking connector | | |
| Input Devices | Lenovo ThinkPad T490 20N3S7DG0L | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| Audio | Lenovo ThinkPad T490 20N3S7DG0L | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| Built-in Devices | Lenovo ThinkPad T490 20N3S7DG0L | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| Design | Lenovo ThinkPad T490 20N3S7DG0L | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| Power | Lenovo ThinkPad T490 20N3S7DG0L | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| Battery Information | Lenovo ThinkPad T490 20N3S7DG0L | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| Security | Lenovo ThinkPad T490 20N3S7DG0L | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
