| Attribute |
ASUS D540YA-XO538T-BE (90NB0CN3-M08170) × | 
ASUS E402YA E2 7015 14 4GB 64GB W10 (90NB0MF3-M00590) × |
| General | | |
| Model | ASUS D540YA-XO538T-BE | ASUS E402YA E2 7015 14 4GB 64GB W10 |
| Product code | 90NB0CN3-M08170 | 90NB0MF3-M00590 |
| Design | | |
| Product colour | Silver | Blue |
| Form factor | Clamshell | Clamshell |
| Brand | ASUS | ASUS |
| Model name | D540YA-XO538T-BE | E402YA/E2 7015 14 4GB 64GB W10 |
| Part number | 90NB0CN3-M08170 | 90NB0MF3-M00590 |
| Release year (year) | 2018 | 2020 |
| Processor | | |
| Processor manufacturer | AMD | AMD |
| Processor family | AMD E | 7th Generation AMD E2 Series |
| Processor frequency (GHz) | 1.4 | 1.5 |
| Processor boost frequency (GHz) | - | 2 |
| Processor model | E1-6010 | E2-9000e |
| Processor cores | - | 2 |
| Memory | | |
| Internal memory type | DDR3L-SDRAM | DDR3L-SDRAM |
| Maximum internal memory (GB) | 8 | 4 |
| Memory clock speed (MHz) | 1,333 | 1,333 |
| Internal memory (GB) | 4 | 4 |
| Display | | |
| Display diagonal (inch) | 15.6 | 14 |
| HD type | HD | HD |
| LED backlight | + | + |
| Touchscreen | - | - |
| Maximum refresh rate (Hz) | - | 60 |
| Display resolution | 1366 x 768 pixels | 1366 x 768 pixels |
| Graphics | | |
| On-board graphics adapter | + | + |
| Discrete graphics adapter | - | - |
| On-board graphics adapter model | AMD Radeon R2 | AMD Radeon R2 |
| Storage | | |
| Total storage capacity (GB) | 128 | 64 |
| Number of SSDs installed | 1 | - |
| SSD capacity (GB) | 128 | - |
| Card reader integrated | + | + |
| Storage media | SSD | eMMC |
| Optical drive | - | - |
| Networking | | |
| Wi-Fi standards | - 802.11b
- 802.11g
- wi-fi 4 (802.11n)
| |
| Bluetooth | + | + |
| Ethernet LAN | + | + |
| Ethernet LAN data rates (Mbit/s) | | - |
| Wi-Fi | + | - |
| Bluetooth version | 4.0 | 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 |
| 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 | + | - |
| Full-size keyboard | + | - |
| Pointing device | Touchpad | Touchpad |
| Software | | |
| Operating system installed | Windows 10 | Windows 10 Home S |
| Battery | | |
| Battery capacity (watt-hours) (Wh) | 33 | 32 |
| Battery life (max) (h) | 8 | - |
| Weight and dimensions | | |
| Weight (kg) | 2 | 1.65 |
| Height (mm) | 27.2 | 21.9 |
| Depth (mm) | 251.5 | 235 |
| Width (mm) | 381.4 | 339 |
| Power | | |
| AC adapter power (W) | 45 | 45 |
| Security | | |
| Cable lock slot | - | + |