| Attribute |
ASUS VivoBook X540UA-DB31 (X540UA-DB31) × |
ASUS VivoBook X540UA-DB52 (90NB0HF1-M13980) × |
| General | | |
| Model | ASUS VivoBook X540UA-DB31 | ASUS VivoBook X540UA-DB52 |
| Product code | X540UA-DB31 | 90NB0HF1-M13980 |
| Design | | |
| Product colour | Black, Chocolate | Black, Chocolate |
| Form factor | Clamshell | Clamshell |
| Brand | ASUS | ASUS |
| Family | VivoBook | VivoBook |
| Series | 15 | 15 |
| Model name | X540UA-DB31 | X540UA-DB52 |
| Part number | X540UA-DB31 | 90NB0HF1-M13980 |
| Release year (year) | 2018 | 2018 |
| Processor | | |
| Processor family | 8th gen Intel Core i3 | 7th gen Intel Core i5 |
| Processor frequency (GHz) | 2.2 | 2.5 |
| Processor boost frequency (GHz) | 3.4 | 3.1 |
| Processor model | i3-8130U | i5-7200U |
| Processor cores | 2 | 2 |
| Processor threads | 4 | 4 |
| Processor lithography (Nm) | 14 | 14 |
| Processor socket | - | BGA 1356 |
| Processor cache (MB) | 4 | 3 |
| Memory | | |
| Internal memory type | DDR4-SDRAM | DDR4-SDRAM |
| Maximum internal memory (GB) | 12 | 12 |
| Memory clock speed (MHz) | 2,133 | 2,133 |
| Internal memory (GB) | 4 | 8 |
| Display | | |
| Display diagonal (inch) | 15.6 | 15.6 |
| 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 HD Graphics 620 |
| Storage | | |
| Total storage capacity (GB) | 1,000 | 1,000 |
| Card reader integrated | + | + |
| Storage media | Hybrid-HDD | Hybrid-HDD |
| Optical drive | - | + |
| Networking | | |
| Wi-Fi standards | | |
| Bluetooth | + | + |
| Wi-Fi | + | + |
| 4g | - | - |
| 3g | - | - |
| Bluetooth version | 4.1 | - |
| Ports and interfaces | | |
| USB 3.x Type-A ports | 1 | 1 |
| Combo headphone/mic port | + | + |
| USB 2.0 ports | 2 | 2 |
| Docking connector | - | - |
| DVI port | - | - |
| HDMI ports quantity | 1 | 1 |
| Audio | | |
| Built-in microphone | + | - |
| Camera | | |
| Front camera | + | + |
| Keyboard | | |
| Numeric keypad | + | + |
| Full-size keyboard | - | + |
| Pointing device | Touchpad | Touchpad |
| Software | | |
| Operating system installed | Windows 10 | Windows 10 Home |
| Operating system architecture (bit) | 64 | 64 |
| Battery | | |
| Battery capacity (watt-hours) (Wh) | 33 | 33 |
| Weight and dimensions | | |
| Weight (kg) | 2 | 1.9 |
| Height (mm) | 27.2 | 27.2 |
| Depth (mm) | 251.5 | 251 |
| Width (mm) | 381.4 | 381 |
| Power | | |
| AC adapter power (W) | 45 | 45 |
| Security | | |
| Cable lock slot | - | + |
| Trusted platform module (TPM) | - | + |