| Attribute |
ASUS VivoBook S406UA-BM191T (90NB0FX1-M08770) × | 
ASUS ASUSPRO B9440FA-GV0090R (B9440FA-GV0090R) × |
| General | | |
| Model | ASUS VivoBook S406UA-BM191T | ASUS ASUSPRO B9440FA-GV0090R |
| Product code | 90NB0FX1-M08770 | B9440FA-GV0090R |
| Design | | |
| Product colour | Gold | Grey |
| Form factor | Clamshell | Clamshell |
| Brand | ASUS | ASUS |
| Family | VivoBook | ASUSPRO |
| Series | S14 | B |
| Model name | S406UA-BM191T | B9440FA-GV0090R |
| Part number | 90NB0FX1-M08770 | B9440FA-GV0090R |
| Release year (year) | 2019 | 2019 |
| Processor | | |
| Processor manufacturer | Intel | - |
| Processor family | 8th gen Intel Core i7 | 8th gen Intel Core i7 |
| Processor frequency (GHz) | 1.8 | 1.8 |
| Processor boost frequency (GHz) | 4 | 4.6 |
| Processor model | i7-8550U | i7-8565U |
| Processor cores | 4 | 4 |
| Processor threads | 8 | 8 |
| Processor lithography (Nm) | 14 | 14 |
| Processor socket | BGA 1356 | BGA 1528 |
| Processor cache (MB) | 8 | 8 |
| Memory | | |
| Internal memory type | LPDDR3-SDRAM | LPDDR3-SDRAM |
| Maximum internal memory (GB) | 8 | 8 |
| Memory clock speed (MHz) | 1,866 | 1,866 |
| Internal memory (GB) | 8 | 8 |
| Display | | |
| Display diagonal (inch) | 14 | 14 |
| HD type | Full HD | Full HD |
| LED backlight | + | + |
| Touchscreen | - | - |
| Dual-screen | - | - |
| Display resolution | 1920 x 1080 pixels | 1920 x 1080 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 UHD Graphics 620 |
| Storage | | |
| Total storage capacity (GB) | 512 | 512 |
| Number of SSDs installed | 1 | 1 |
| SSD capacity (GB) | 512 | 512 |
| Card reader integrated | + | - |
| Storage media | SSD | SSD |
| Optical drive | - | - |
| Networking | | |
| Wi-Fi standards | - 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 | 4.2 |
| Ports and interfaces | | |
| USB 3.x Type-A ports | 1 | - |
| USB 3.x Type-C ports | 1 | 2 |
| Combo headphone/mic port | + | + |
| USB 2.0 ports | 1 | - |
| Audio | | |
| Speaker power (W) | 2 | - |
| Built-in microphone | + | + |
| Camera | | |
| Front camera | + | - |
| Keyboard | | |
| Numeric keypad | - | - |
| Pointing device | Touchpad | Touchpad |
| Software | | |
| Operating system installed | Windows 10 Home | Windows 10 Pro |
| Battery | | |
| Battery capacity (watt-hours) (Wh) | 39 | 48 |
| Weight and dimensions | | |
| Weight (kg) | 1.2 | 1.05 |
| Height (mm) | 14.8 | - |
| Depth (mm) | 226.5 | 216.2 |
| Width (mm) | 328 | 321.3 |
| Power | | |
| AC adapter power (W) | 45 | 65 |