| Attribute |
ASUS K406UA-BM219T (90NB0FX2-M04870) × |
ASUS VivoBook S406UA-BV021T (S406UA-BV021T) × |
| General | | |
| Model | ASUS K406UA-BM219T | ASUS VivoBook S406UA-BV021T |
| Product code | 90NB0FX2-M04870 | S406UA-BV021T |
| Design | | |
| Product colour | Grey | Grey |
| Form factor | Clamshell | Clamshell |
| Brand | ASUS | ASUS |
| Family | - | VivoBook |
| Model name | K406UA-BM219T | S406UA-BV021T |
| Part number | 90NB0FX2-M04870 | S406UA-BV021T |
| Release year (year) | 2017 | 2018 |
| Processor | | |
| Processor family | 8th gen Intel Core i5 | 7th gen Intel Core i3 |
| Processor frequency (GHz) | 1.6 | 2.4 |
| Processor boost frequency (GHz) | 3.4 | - |
| Processor model | i5-8250U | i3-7100U |
| Processor cores | 4 | 2 |
| Processor threads | 8 | 4 |
| Processor lithography (Nm) | 14 | 14 |
| Processor socket | BGA 1356 | BGA 1356 |
| Processor cache (MB) | 6 | 3 |
| Memory | | |
| Internal memory type | LPDDR3-SDRAM | LPDDR3-SDRAM |
| Maximum internal memory (GB) | 4 | 4 |
| Memory clock speed (MHz) | 1,866 | 1,866 |
| Internal memory (GB) | 4 | 4 |
| Display | | |
| Display diagonal (inch) | 14 | 14 |
| HD type | Full HD | HD |
| LED backlight | + | + |
| Touchscreen | - | - |
| Display resolution | 1920 x 1080 pixels | 1366 x 768 pixels |
| Graphics | | |
| On-board graphics adapter | + | + |
| Discrete graphics adapter | - | - |
| On-board graphics adapter base frequency (MHz) | 300 | 300 |
| Maximum on-board graphics adapter memory (GB) | 32 | 32 |
| On-board graphics adapter model | Intel UHD Graphics 620 | Intel HD Graphics 620 |
| Storage | | |
| Total storage capacity (GB) | 128 | 128 |
| Number of SSDs installed | 1 | 1 |
| SSD capacity (GB) | 128 | 128 |
| Card reader integrated | + | + |
| Storage media | SSD | SSD |
| Optical drive | - | - |
| Networking | | |
| Wi-Fi standards | - ieee 802.11a
- ieee 802.11ac
- ieee 802.11b
- ieee 802.11g
- ieee 802.11n
| - 802.11a
- 802.11b
- 802.11g
- wi-fi 4 (802.11n)
- wi-fi 5 (802.11ac)
|
| Bluetooth | + | + |
| Ethernet LAN | - | - |
| Wi-Fi | + | + |
| 4g | - | - |
| 3g | - | - |
| Bluetooth version | 4.1 | 4.1 |
| Ports and interfaces | | |
| USB 3.x Type-A ports | 1 | 1 |
| USB 3.x Type-C ports | 1 | 1 |
| Combo headphone/mic port | + | + |
| USB 2.0 ports | 1 | 1 |
| DVI port | - | - |
| Audio | | |
| Speaker power (W) | 2 | 2 |
| Built-in microphone | + | + |
| Camera | | |
| Front camera | + | + |
| Keyboard | | |
| Numeric keypad | - | - |
| Pointing device | Touchpad | Touchpad |
| Software | | |
| Operating system installed | Windows 10 Home | Windows 10 Home |
| Battery | | |
| Battery capacity (watt-hours) (Wh) | 39 | 39 |
| Weight and dimensions | | |
| Weight (kg) | 1.2 | 1.2 |
| Height (mm) | 14.8 | 14.8 |
| Depth (mm) | 226.5 | 226.5 |
| Width (mm) | 328 | 328 |
| Power | | |
| AC adapter power (W) | 45 | 45 |