| Processor | Lenovo 15.6" ThinkPad E15 Gen 4 21ED003XUS | 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 21ED003XUS | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| Processor model | AMD Ryzen 5 5625U | |
| CPU | 2.3 to 4.3 GHz 6-Core | |
| L3 Cache | 16 MB | |
| Operating System | Lenovo 15.6" ThinkPad E15 Gen 4 21ED003XUS | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| Operating system installed | Windows 11 Pro (64-Bit) | |
| Software | Lenovo 15.6" ThinkPad E15 Gen 4 21ED003XUS | 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 21ED003XUS | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| Resolution | 1920 x 1080 | |
| Maximum Brightness | 300 cd/m2 | |
| Variable Refresh Technology | No | |
| GPU | AMD Radeon | |
| 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 21ED003XUS | 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 3.1 / USB 3.2 Gen 1)
1 x USB Type-A (USB 2.0) | |
| USB Type-C | 1 x USB 3.1 / USB 3.2 Gen 1 (Supports DisplayPort and Power Delivery) | |
| Display | 1 x HDMI 1.4b | |
| Wi-Fi | Wi-Fi 6 (802.11ax); Dual-Band (2.4 & 5 GHz) | |
| Memory | Lenovo 15.6" ThinkPad E15 Gen 4 21ED003XUS | 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 21ED003XUS | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| SSD Slots | 1 x M.2 2280 (Available) | |
| Optical drive | No | |
| SSD capacity | 1 x 512 GB M.2 NVMe PCIe | 256 GB |
| Storage media | | SSD |
| Number of SSDs installed | | 1 |
| Total storage capacity | 512 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 21ED003XUS | 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 21ED003XUS | 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 21ED003XUS | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| Capacity | 45 Wh | |
| Estimated Battery Life | 14.1 Hours | |
| Input Devices | Lenovo 15.6" ThinkPad E15 Gen 4 21ED003XUS | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| Keyboard | Notebook Keyboard | |
| 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 21ED003XUS | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| Audio | 1 x 1/8" / 3.5 mm Headphone/Microphone 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 21ED003XUS | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| Webcam | User-Facing: 2 MP (1080p) | |
| Number of microphones | 2 | |
| Front camera | | Yes |
| Power | Lenovo 15.6" ThinkPad E15 Gen 4 21ED003XUS | 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 21ED003XUS | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| Security | Dedicated TPM Security Chip, Kensington Lock Slot, Webcam Blocker | |
| Cable lock slot | | Yes |
| Cable lock slot type | | Kensington |
| Fingerprint reader | | Yes |
| Design | Lenovo 15.6" ThinkPad E15 Gen 4 21ED003XUS | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| Finish | Anti-Glare / Matte | |
| Certifications | ENERGY STAR, EPEAT GOLD, RoHS, TCO Certified, as per Manufacturer | |
| Dimensions | 14.4 x 9.4 x 0.7" / 365 x 240 x 18.9 mm | |
| 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 | 3.92 lb / 1.78 kg | 2.2 kg |
| Release Date | Mid 2022 | 2018-01-10 |
| Battery Information | Lenovo 15.6" ThinkPad E15 Gen 4 21ED003XUS | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| Battery type | | Lithium-Ion (Li-Ion) |
| Battery life | | 8 h |
| Number of battery cells | | 4 |
