| Attribute |
HP ProBook 4540s (C5C54EA) × | 
Toshiba Tecra R850-14C (PT525E-00H00KGR) × |
| General | | |
| Model | HP ProBook 4540s | Toshiba Tecra R850-14C |
| Product code | C5C54EA | PT525E-00H00KGR |
| Design | | |
| Product colour | Aluminium, Black | Black |
| Form factor | Clamshell | - |
| Brand | HP | Toshiba |
| Family | ProBook | Tecra |
| Series | 4000 | - |
| Model name | 4540s | R850-14C |
| Part number | C5C54EA | PT525E-00H00KGR |
| Release year (year) | 2012 | 2011 |
| Processor | | |
| Processor manufacturer | Intel | Intel |
| Processor family | 3rd gen Intel Core i3 | 2nd gen Intel Core i5 |
| Processor frequency (GHz) | 2.4 | 2.5 |
| Processor boost frequency (GHz) | - | 3.2 |
| Processor model | i3-3110M | i5-2520M |
| Processor cores | 2 | 2 |
| Processor threads | 4 | 4 |
| Processor lithography (Nm) | 22 | 32 |
| Processor socket | BGA 1023 | Socket 988 |
| Processor cache (MB) | 3 | 3 |
| Memory | | |
| Internal memory type | DDR3-SDRAM | DDR3-SDRAM |
| Maximum internal memory (GB) | 8 | 8 |
| Memory clock speed (MHz) | 1,333 | 1,333 |
| Internal memory (GB) | 4 | 4 |
| Display | | |
| Display diagonal (inch) | 15.6 | 15.6 |
| LED backlight | + | + |
| Touchscreen | - | - |
| Display resolution | 1366 x 768 pixels | 1366 x 768 pixels |
| Graphics | | |
| On-board graphics adapter | + | + |
| Discrete graphics adapter | - | - |
| On-board graphics adapter base frequency (MHz) | 650 | 650 |
| On-board graphics adapter model | Intel HD Graphics 4000 | Intel HD Graphics 3000 |
| Storage | | |
| Total storage capacity (GB) | 320 | 320 |
| Card reader integrated | + | + |
| HDD capacity (GB) | 320 | 320 |
| Storage media | HDD | - |
| Optical drive | + | + |
| Networking | | |
| Wi-Fi standards | - 802.11b
- 802.11g
- wi-fi 4 (802.11n)
| - ieee 802.11a
- ieee 802.11b
- ieee 802.11g
- ieee 802.11n
|
| Bluetooth | + | + |
| Ethernet LAN | + | + |
| Ethernet LAN data rates (Mbit/s) | | - |
| Wi-Fi | + | + |
| 3g | - | + |
| Bluetooth version | - | 3.0 |
| Ports and interfaces | | |
| USB 3.x Type-A ports | 2 | 1 |
| USB 2.0 ports | 2 | 2 |
| Docking connector | - | + |
| DVI port | - | - |
| HDMI ports quantity | 1 | - |
| Ethernet LAN (RJ-45) ports | 1 | 1 |
| Audio | | |
| Built-in microphone | + | + |
| Keyboard | | |
| Numeric keypad | + | - |
| Full-size keyboard | + | + |
| Pointing device | Touchpad | DualPoint |
| Software | | |
| Operating system installed | Windows 8 Pro | Windows 7 Professional |
| Operating system architecture (bit) | 64 | 64 |
| Battery | | |
| Battery capacity (watt-hours) (Wh) | 47 | - |
| Battery life (max) (h) | 7 | 7.5 |
| Weight and dimensions | | |
| Weight (kg) | 2.33 | 2.49 |
| Height (mm) | 28 | - |
| Depth (mm) | 256 | 252 |
| Width (mm) | 375 | 379 |
| Power | | |
| AC adapter power (W) | 65 | - |
| Security | | |
| Cable lock slot | + | + |
| Fingerprint reader | - | + |
| Trusted platform module (TPM) | - | + |