| Attribute |
ASUS VivoBook X540UA (90NB0B31-M13230) × | 
ASUS X552MD-SX115D (90NB06PC-M02380) × |
| General | | |
| Model | ASUS VivoBook X540UA | ASUS X552MD-SX115D |
| Product code | 90NB0B31-M13230 | 90NB06PC-M02380 |
| Design | | |
| Product colour | Black, Chocolate | - |
| Form factor | Clamshell | Clamshell |
| Brand | ASUS | ASUS |
| Family | VivoBook | - |
| Model name | X540UA | X552MD-SX115D |
| Part number | 90NB0B31-M13230 | 90NB06PC-M02380 |
| Release year (year) | 2019 | 2018 |
| Processor | | |
| Processor family | Intel Celeron | Intel Celeron |
| Processor frequency (GHz) | 1.6 | 2.2 |
| Processor boost frequency (GHz) | 2.2 | 2.6 |
| Processor model | N3050 | N2840 |
| Processor cores | 2 | 2 |
| Processor threads | 2 | 2 |
| Processor lithography (Nm) | 14 | 22 |
| Processor socket | BGA 1170 | BGA 1170 |
| Processor cache (MB) | 2 | 1 |
| Memory | | |
| Internal memory type | DDR3L-SDRAM | DDR3L-SDRAM |
| Maximum internal memory (GB) | 8 | - |
| Memory clock speed (MHz) | 1,600 | 1,600 |
| Internal memory (GB) | 4 | 4 |
| Display | | |
| Display diagonal (inch) | 15.6 | 15.6 |
| 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 model | - | NVIDIA GeForce GT 820M |
| Discrete graphics adapter | - | + |
| On-board graphics adapter base frequency (MHz) | 320 | 311 |
| Maximum on-board graphics adapter memory (GB) | 8 | - |
| On-board graphics adapter model | Intel HD Graphics | Intel HD Graphics |
| Storage | | |
| Total storage capacity (GB) | 500 | 500 |
| Card reader integrated | + | + |
| Storage media | HDD | HDD |
| Optical drive | - | + |
| Networking | | |
| Wi-Fi standards | - 802.11b
- 802.11g
- wi-fi 4 (802.11n)
| - ieee 802.11b
- ieee 802.11g
- ieee 802.11n
|
| Bluetooth | - | - |
| Ethernet LAN | + | + |
| Ethernet LAN data rates (Mbit/s) | | |
| Wi-Fi | + | + |
| 4g | - | - |
| 3g | - | - |
| Ports and interfaces | | |
| USB 3.x Type-A ports | 1 | 2 |
| USB 3.x Type-C ports | 1 | - |
| Combo headphone/mic port | + | + |
| USB 2.0 ports | 2 | 1 |
| Docking connector | - | - |
| DVI port | - | - |
| HDMI ports quantity | 1 | 1 |
| Ethernet LAN (RJ-45) ports | 1 | 1 |
| Audio | | |
| Built-in microphone | + | - |
| Camera | | |
| Front camera | + | + |
| Keyboard | | |
| Numeric keypad | + | + |
| Pointing device | Touchpad | Touchpad |
| Software | | |
| Operating system installed | FreeDOS | FreeDOS |
| Battery | | |
| Battery capacity (watt-hours) (Wh) | 33 | 37 |
| Weight and dimensions | | |
| Weight (kg) | 1.9 | 2.3 |
| Height (mm) | 27.2 | - |
| Depth (mm) | 251 | 251 |
| Width (mm) | 381 | 380 |
| Power | | |
| AC adapter power (W) | 45 | 45 |
| Security | | |
| Cable lock slot | - | + |