| Processor | ASUS X751NA-DS21Q 90NB0EA1-M00140 | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| Processor model | N4200 | i5-6200U |
| Processor series | Intel Pentium Processor N4000 Series for Mobile | Intel Core i5-6200 series |
| Processor socket | BGA 1296 | LGA 1356 (Socket B2) |
| Processor threads | 4 | 4 |
| Processor cores | 4 | 2 |
| Processor codename | Apollo Lake | Skylake |
| Processor family | Intel Pentium | 6th gen Intel Core i5 |
| Processor frequency | 1.10 GHz | 2.3 GHz |
| Processor boost frequency | 2.50 GHz | 2.8 GHz |
| Processor cache | 2 MB | 3 MB |
| Thermal Design Power (TDP) | 6 W | 15 W |
| Software | ASUS X751NA-DS21Q 90NB0EA1-M00140 | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| Operating system installed | Windows 10 Home | Windows 10 Pro |
| Operating system architecture | | 64-bit |
| Display & Graphics | ASUS X751NA-DS21Q 90NB0EA1-M00140 | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| Aspect ratio | 16:9 | 16:9 |
| Display diagonal | 17.3 inch | 15.6 inch |
| Panel type | | IPS |
| Display resolution | 1600 x 900 pixels | 1920 x 1080 pixels |
| Display surface | Gloss | |
| HD type | HD | Full HD |
| LED backlight | Yes | Yes |
| Touchscreen | No | No |
| Discrete graphics adapter | No | No |
| Discrete graphics adapter model | Not available | Not available |
| Maximum on-board graphics adapter memory | 8 GB | 1.74 GB |
| Number of displays supported | 3 | 3 |
| Number of execution units | 18 | |
| On-board graphics adapter | Yes | Yes |
| On-board graphics adapter base frequency | 200 MHz | 300 MHz |
| On-board graphics adapter burst frequency | 750 MHz | |
| On-board graphics adapter dynamic frequency (max) | | 1000 MHz |
| On-board graphics adapter model | Intel HD Graphics 505 | Intel HD Graphics 520 |
| On-board graphics adapter family | | Intel HD Graphics |
| On-board graphics adapter OpenGL | | 4.4 |
| Memory | ASUS X751NA-DS21Q 90NB0EA1-M00140 | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| Internal memory | 8 GB | 8 GB |
| Maximum internal memory | 8 GB | 16 GB |
| Memory clock speed | 1600 MHz | 1600 MHz |
| Internal memory type | DDR3L-SDRAM | DDR3L-SDRAM |
| Memory layout (slots x size) | | 1 x 8 GB |
| Memory slots | | 2x SO-DIMM |
| Storage | ASUS X751NA-DS21Q 90NB0EA1-M00140 | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| HDD capacity | 1000 GB | |
| Storage media | HDD | SSD |
| Number of HDDs installed | 1 | |
| Total storage capacity | 1000 GB | 256 GB |
| Optical drive type | DVD-RW | DVD Super Multi DL |
| SSD capacity | | 256 GB |
| Card reader integrated | Yes | Yes |
| Compatible memory cards | MMC, Memory Stick (MS), SD, SDHC, SDXC | MMC, SD, SDHC, SDXC |
| Number of SSDs installed | | 1 |
| Network & Communication | ASUS X751NA-DS21Q 90NB0EA1-M00140 | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| 3G | No | No |
| 4G | No | No |
| Ethernet LAN | Yes | Yes |
| Wi-Fi | Yes | Yes |
| Wi-Fi standards | IEEE 802.11g, IEEE 802.11b, IEEE 802.11n | IEEE 802.11a, IEEE 802.11ac, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n |
| Bluetooth | | Yes |
| Bluetooth version | | 4.1 |
| Interfaces/Ports | ASUS X751NA-DS21Q 90NB0EA1-M00140 | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| HDMI ports quantity | 1 | 1 |
| Combo headphone/mic port | Yes | Yes |
| DC-in jack | Yes | Yes |
| VGA (D-Sub) ports | 1 | 1 |
| Docking connector | No | Yes |
| DVI port | No | |
| Ethernet LAN (RJ-45) ports | 1 | 1 |
| USB 2.0 | 2 | |
| Headphone outputs | | 1 |
| USB 3.0 (3.1 Gen 1) Type-A | 1 | 4 |
| Microphone in | | Yes |
| USB Sleep-and-Charge | | 1 |
| Input Devices | ASUS X751NA-DS21Q 90NB0EA1-M00140 | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| Numeric keypad | Yes | Yes |
| Pointing device | Touchpad | Clickpad |
| Windows keys | Yes | Yes |
| Keyboard backlit | | Yes |
| Keyboard number of keys | | 102 |
| Audio | ASUS X751NA-DS21Q 90NB0EA1-M00140 | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| Built-in microphone | Yes | Yes |
| Audio system | | DTS Studio Sound |
| Built-in Devices | ASUS X751NA-DS21Q 90NB0EA1-M00140 | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| Front camera | Yes | Yes |
| Power | ASUS X751NA-DS21Q 90NB0EA1-M00140 | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| AC adapter output current | 1.75 A | 2.37 A |
| AC adapter output voltage | 19 | 19 V |
| AC adapter power | 33 W | |
| AC adapter input voltage | | 100 - 240 V |
| Security | ASUS X751NA-DS21Q 90NB0EA1-M00140 | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| Cable lock slot | Yes | Yes |
| Cable lock slot type | Kensington | Kensington |
| Fingerprint reader | | Yes |
| Design | ASUS X751NA-DS21Q 90NB0EA1-M00140 | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| Brand | ASUS | Toshiba |
| Model name | X751NA-DS21Q | Z50-C-143 |
| Part Number | 90NB0EA1-M00140 | PT571E-06H03QEN |
| Product type | Notebook | Notebook |
| Form factor | Clamshell | Clamshell |
| Colour of product | Black | Metallic |
| EAN/UPC code | 0889349695869 | |
| Depth | 272 mm | 258 mm |
| Width | 415 mm | 379 mm |
| Height (rear) | 3.5 cm | |
| Height (front) | 3 cm | |
| Weight | 2.8 kg | 2.2 kg |
| Release Date | 2017-05-20 | 2018-01-10 |
| Family | | Tecra |
| Height | | 23.2 mm |
| Battery Information | ASUS X751NA-DS21Q 90NB0EA1-M00140 | Toshiba Tecra Z50-C-143 PT571E-06H03QEN |
| Battery capacity | 2950 mAh | |
| Number of battery cells | 4 | 4 |
| Battery type | | Lithium-Ion (Li-Ion) |
| Battery life | | 8 h |
