| Attribute |
ASUS VivoBook S406UA-BM191T (90NB0FX1-M08770) × | 
Microsoft Surface Laptop Surface Laptop (DAL-00040) × |
| General | | |
| Model | ASUS VivoBook S406UA-BM191T | Microsoft Surface Laptop Surface Laptop |
| Product code | 90NB0FX1-M08770 | DAL-00040 |
| Design | | |
| Product colour | Gold | Burgundy |
| Form factor | Clamshell | Clamshell |
| Brand | ASUS | Microsoft |
| Family | VivoBook | Surface Laptop |
| Series | S14 | - |
| Model name | S406UA-BM191T | Surface Laptop |
| Part number | 90NB0FX1-M08770 | DAL-00040 |
| Release year (year) | 2019 | 2020 |
| Processor | | |
| Processor manufacturer | Intel | Intel |
| Processor family | 8th gen Intel Core i7 | 7th gen Intel Core i7 |
| Processor frequency (GHz) | 1.8 | 2.5 |
| Processor boost frequency (GHz) | 4 | 4 |
| Processor model | i7-8550U | i7-7660U |
| Processor cores | 4 | 2 |
| Processor threads | 8 | 4 |
| Processor lithography (Nm) | 14 | 14 |
| Processor socket | BGA 1356 | - |
| Processor cache (MB) | 8 | 4 |
| Memory | | |
| Internal memory type | LPDDR3-SDRAM | LPDDR3-SDRAM |
| Maximum internal memory (GB) | 8 | 16 |
| Memory clock speed (MHz) | 1,866 | 1,866 |
| Internal memory (GB) | 8 | 16 |
| Display | | |
| Display diagonal (inch) | 14 | 13.5 |
| HD type | Full HD | - |
| LED backlight | + | + |
| Touchscreen | - | + |
| Dual-screen | - | - |
| Display resolution | 1920 x 1080 pixels | 2256 x 1504 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 Iris Plus Graphics 640 |
| 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)
| - 802.11a
- 802.11b
- 802.11g
- wi-fi 4 (802.11n)
- wi-fi 5 (802.11ac)
|
| Bluetooth | + | + |
| Ethernet LAN | - | - |
| Wi-Fi | + | - |
| Bluetooth version | 4.1 | 4.0 |
| Ports and interfaces | | |
| USB 3.x Type-A ports | 1 | 1 |
| USB 3.x Type-C ports | 1 | - |
| Combo headphone/mic port | + | + |
| USB 2.0 ports | 1 | - |
| Docking connector | - | + |
| Audio | | |
| Speaker power (W) | 2 | - |
| Built-in microphone | + | + |
| Camera | | |
| Front camera | + | + |
| Front camera HD type | - | HD |
| Front camera resolution (pixels) | - | 1280 x 720 |
| Keyboard | | |
| Numeric keypad | - | - |
| Keyboard backlit | - | + |
| Full-size keyboard | - | + |
| Pointing device | Touchpad | Trackpad |
| Software | | |
| Operating system installed | Windows 10 Home | Windows 10 S |
| Battery | | |
| Battery capacity (watt-hours) (Wh) | 39 | 45 |
| Battery life (max) (h) | - | 14.5 |
| Weight and dimensions | | |
| Weight (kg) | 1.2 | 1.28 |
| Height (mm) | 14.8 | 14.5 |
| Depth (mm) | 226.5 | 223.3 |
| Width (mm) | 328 | 308.1 |
| Power | | |
| AC adapter power (W) | 45 | 44 |
| Security | | |
| Trusted platform module (TPM) | - | + |