| Attribute |
DELL Latitude E6540 (6540-7242) × | 
ASUS R540SA-RS01 (90NB0B31-M01140) × |
| General | | |
| Model | DELL Latitude E6540 | ASUS R540SA-RS01 |
| Product code | 6540-7242 | 90NB0B31-M01140 |
| Design | | |
| Product colour | Black, Silver | - |
| Form factor | Clamshell | Clamshell |
| Brand | DELL | ASUS |
| Family | Latitude | - |
| Series | 6000 | - |
| Model name | E6540 | R540SA-RS01 |
| Part number | 6540-7242 | 90NB0B31-M01140 |
| Market positioning | Business | - |
| Release year (year) | 2015 | 2016 |
| Processor | | |
| Processor manufacturer | Intel | - |
| Processor family | 4th gen Intel Core i5 | Intel Celeron |
| Processor frequency (GHz) | 2.7 | 1.6 |
| Processor boost frequency (GHz) | 3.4 | 2.2 |
| Processor model | i5-4310M | N3050 |
| Processor cores | 2 | 2 |
| Processor threads | 4 | 2 |
| Processor lithography (Nm) | 22 | 14 |
| Processor socket | Socket G3 | BGA 1170 |
| Processor cache (MB) | 3 | 2 |
| Memory | | |
| Internal memory type | DDR3L-SDRAM | DDR3L-SDRAM |
| Maximum internal memory (GB) | 16 | 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 | - |
| LED backlight | + | + |
| Touchscreen | - | - |
| Display resolution | 1920 x 1080 pixels | 1366 x 768 pixels |
| Graphics | | |
| On-board graphics adapter | + | + |
| Discrete graphics adapter | - | - |
| On-board graphics adapter base frequency (MHz) | 400 | 320 |
| Maximum on-board graphics adapter memory (GB) | 2 | 8 |
| On-board graphics adapter model | Intel HD Graphics 4600 | Intel HD Graphics |
| Storage | | |
| Total storage capacity (GB) | 500 | 500 |
| Card reader integrated | + | + |
| Storage media | HDD | HDD |
| Optical drive | + | + |
| Networking | | |
| Wi-Fi standards | - | - ieee 802.11b
- ieee 802.11g
- ieee 802.11n
|
| Bluetooth | + | + |
| Ethernet LAN | + | + |
| Ethernet LAN data rates (Mbit/s) | | |
| Wi-Fi | + | + |
| 4g | - | - |
| 3g | - | - |
| Bluetooth version | 4.0 | 4.0 |
| Ports and interfaces | | |
| USB 3.x Type-A ports | 4 | 1 |
| USB 3.x Type-C ports | - | 1 |
| Combo headphone/mic port | + | + |
| USB 2.0 ports | - | 1 |
| Docking connector | + | - |
| DVI port | - | - |
| HDMI ports quantity | 1 | 1 |
| Ethernet LAN (RJ-45) ports | 1 | 1 |
| Audio | | |
| Speaker power (W) | 2 | - |
| Built-in microphone | + | + |
| Camera | | |
| Front camera | + | + |
| Front camera resolution (pixels) | 1280 x 720 | - |
| Keyboard | | |
| Numeric keypad | + | + |
| Keyboard backlit | + | - |
| Full-size keyboard | - | + |
| Pointing device | Touchpad | Touchpad |
| Software | | |
| Operating system installed | Windows 7 Professional | Windows 10 Home |
| Operating system architecture (bit) | 64 | 64 |
| Battery | | |
| Battery capacity (watt-hours) (Wh) | 60 | 33 |
| Battery life (max) (h) | 10 | - |
| Weight and dimensions | | |
| Weight (kg) | 2.56 | 1.9 |
| Height (mm) | 33.4 | 25.4 |
| Depth (mm) | 250.5 | 251.5 |
| Width (mm) | 379 | 381.4 |
| Power | | |
| AC adapter power (W) | - | 45 |
| Security | | |
| Cable lock slot | + | - |
| Trusted platform module (TPM) | + | - |