| Lenovo 15.6" ThinkPad E15 Gen 4 21E6007CUS |
Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
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| Processor | Lenovo 15.6" ThinkPad E15 Gen 4 21E6007CUS | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| Processor model | i5-6200U | |
| Processor series | Intel Core i5-6200 series | |
| Processor socket | LGA 1356 (Socket B2) | |
| Processor threads | 4 | |
| Processor cores | 2 | |
| Processor codename | Skylake | |
| Processor family | 6th gen Intel Core i5 | |
| Processor frequency | 2.3 GHz | |
| Processor boost frequency | 2.8 GHz | |
| Processor cache | 3 MB | |
| Thermal Design Power (TDP) | 15 W | |
| Performance | Lenovo 15.6" ThinkPad E15 Gen 4 21E6007CUS | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| Processor model | Intel Core i5-1235U (12th Gen) | |
| CPU | 1.3 to 4.4 GHz Performance Dual-Core 0.9 to 3.3 GHz Efficiency 8-Core | |
| L3 Cache | 12 MB | |
| Operating System | Lenovo 15.6" ThinkPad E15 Gen 4 21E6007CUS | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| Operating system installed | Windows 11 Pro | |
| Software | Lenovo 15.6" ThinkPad E15 Gen 4 21E6007CUS | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| Operating system installed | Windows 10 Pro | |
| Operating system architecture | 64-bit | |
| Display & Graphics | Lenovo 15.6" ThinkPad E15 Gen 4 21E6007CUS | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| Resolution | 1920 x 1080 | |
| Maximum Brightness | 300 cd/m2 | |
| Color Gamut | 45% NTSC | |
| GPU | Intel Iris Xe | |
| Graphics Type | Integrated | |
| Panel type | IPS-Type LCD | IPS |
| Aspect ratio | 16:9 | 16:9 |
| Display diagonal | 15.6" | 15.6 inch |
| Display resolution | 1920 x 1080 pixels | |
| HD type | Full HD | |
| LED backlight | Yes | |
| Touchscreen | No | 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 | Yes | |
| 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 model | Intel HD Graphics 520 | |
| On-board graphics adapter OpenGL | 4.4 | |
| Communications | Lenovo 15.6" ThinkPad E15 Gen 4 21E6007CUS | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| Bluetooth | 5.2 | |
| GPS | No | |
| Ethernet | 1 x RJ45 (Gigabit) | |
| NFC | No | |
| MU-MIMO Support | 2 x 2 | |
| Ports | 1 x USB Type-A (USB 2.0) 1 x USB Type-A (USB 3.1 / USB 3.2 Gen 1) | |
| USB Type-C | 1 x Thunderbolt 4 (Supports DisplayPort and Power Delivery) | |
| Display | 1 x HDMI | |
| Wi-Fi | Wi-Fi 6E (802.11ax) | |
| Memory | Lenovo 15.6" ThinkPad E15 Gen 4 21E6007CUS | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| Memory configuration | 1 x 8 GB (Onboard) 1 x 8 GB (User-Replaceable) | |
| Memory type | 3200 MHz DDR4 | |
| Memory form factor | 260-Pin SO-DIMM | |
| ECC Memory | No | |
| Buffered memory | No | |
| Internal memory | 16 GB | 8 GB |
| Maximum internal memory | 40 GB | 16 GB |
| Memory clock speed | 1600 MHz | |
| Memory layout (slots x size) | 1 x 8 GB | |
| Memory slots | 1 (0 Available) | 2x SO-DIMM |
| Internal memory type | DDR3L-SDRAM | |
| Storage | Lenovo 15.6" ThinkPad E15 Gen 4 21E6007CUS | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| Optical drive | No | |
| SSD capacity | 1 x 256 GB M.2 NVMe PCIe | 256 GB |
| Storage media | SSD | |
| Number of SSDs installed | 1 | |
| Total storage capacity | 256 GB | 256 GB |
| Optical drive type | DVD Super Multi DL | |
| Card reader integrated | Yes | |
| Compatible memory cards | No | MMC, SD, SDHC, SDXC |
| Network & Communication | Lenovo 15.6" ThinkPad E15 Gen 4 21E6007CUS | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| 3G | No | |
| 4G | No | |
| Bluetooth | Yes | |
| Bluetooth version | 4.1 | |
| Ethernet LAN | Yes | |
| Wi-Fi | Yes | |
| Wi-Fi standards | IEEE 802.11a, IEEE 802.11ac, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n | |
| Interfaces/Ports | Lenovo 15.6" ThinkPad E15 Gen 4 21E6007CUS | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| HDMI ports quantity | 1 | |
| Headphone outputs | 1 | |
| Combo headphone/mic port | Yes | |
| DC-in jack | Yes | |
| VGA (D-Sub) ports | 1 | |
| Docking connector | Yes | |
| Ethernet LAN (RJ-45) ports | 1 | |
| Microphone in | Yes | |
| USB 3.0 (3.1 Gen 1) Type-A | 4 | |
| USB Sleep-and-Charge | 1 | |
| Battery | Lenovo 15.6" ThinkPad E15 Gen 4 21E6007CUS | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| Capacity | 45 Wh | |
| Input Devices | Lenovo 15.6" ThinkPad E15 Gen 4 21E6007CUS | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| Keyboard | Notebook Keyboard with Backlight | |
| Keyboard backlit | Yes | |
| Keyboard number of keys | 102 | |
| Numeric keypad | Yes | |
| Pointing device | TouchPad | Clickpad |
| Windows keys | Yes | |
| Audio | Lenovo 15.6" ThinkPad E15 Gen 4 21E6007CUS | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| Audio | 1 x 1/8" / 3.5 mm Headphone Input/Output | |
| Built-In Speakers | Yes | |
| Audio system | DTS Studio Sound | |
| Built-in microphone | Yes | |
| Built-in Devices | Lenovo 15.6" ThinkPad E15 Gen 4 21E6007CUS | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| Webcam | User-Facing: 1080p | |
| Number of microphones | Yes | |
| Front camera | Yes | |
| Power | Lenovo 15.6" ThinkPad E15 Gen 4 21E6007CUS | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| Power Supply | 65 W with USB Type-C | |
| AC adapter input voltage | 100 - 240 V | |
| AC adapter output current | 2.37 A | |
| AC adapter output voltage | 19 V | |
| Security | Lenovo 15.6" ThinkPad E15 Gen 4 21E6007CUS | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| Security | Dedicated Hardware TPM Security Chip, Nano Security Lock Slot | |
| Cable lock slot | Yes | |
| Cable lock slot type | Kensington | |
| Fingerprint reader | Yes | |
| Design | Lenovo 15.6" ThinkPad E15 Gen 4 21E6007CUS | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| Finish | Anti-Glare / Matte | |
| Dimensions | 14.37 x 9.45 x 0.74" / 36.5 x 24 x 1.88 cm | |
| Brand | Toshiba | |
| Family | Tecra | |
| Model name | Z50-C-143 | |
| Part Number | PT571E-06H03QEN | |
| Product type | Notebook | |
| Form factor | Clamshell | |
| Colour of product | Metallic | |
| Depth | 258 mm | |
| Width | 379 mm | |
| Height | 23.2 mm | |
| Weight | 3.75 lb / 1.7 kg | 2.2 kg |
| Release Date | Mid 2022 | 2018-01-10 |
| Battery Information | Lenovo 15.6" ThinkPad E15 Gen 4 21E6007CUS | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| Battery type | Lithium-Ion (Li-Ion) | |
| Battery life | 8 h | |
| Number of battery cells | 4 |
