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Product comparison · 2 laptops

HP EliteBook 8540p Notebook PC vs HP EliteBook WD921EA Intel® Core™ i7 i7-620M Laptop

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  • 123specifications compared
  • 17differ
  • 106identical
  • 62known for one product only

Key differences

  • Display resolution
    • 1366 x 768 pixels
    • 1600 x 900 pixels
  • Processor family
    • Intel® Core™ i5
    • Intel® Core™ i7
  • Processor generation
    • Intel® Core™ i5
    • Intel® Core™ i7
  • Processor model
    • i5-520M
    • i7-620M
  • Processor boost frequency
    • 2.93 GHz
    • 3.33 GHz
  • Processor frequency
    • 2.4 GHz
    • 2.66 GHz
  • Processor cache
    • 3 MB
    • 4 MB
  • Processor socket
    • BGA 956
    • BGA 1288

Side by side

Differences highlightedShow differences only
185 specifications
A

HP

EliteBook 8540p Notebook PCView product
B

HP

EliteBook WD921EA Intel® Core™ i7 i7-620M Laptop

Model WD921EA

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Designidentical
Product typeKnown for oneLaptop
Product colourKnown for oneBlack, Graphite
Form factorKnown for oneClamshell
Display1 differ
Display resolutionDiffers1366 x 768 pixels1600 x 900 pixels
TouchscreenKnown for oneNo
HD typeKnown for oneHD+
LED backlightKnown for oneYes
Display surfaceKnown for oneMatt
Processor9 differ
Processor familyDiffersIntel® Core™ i5Intel® Core™ i7
Processor generationDiffersIntel® Core™ i5Intel® Core™ i7
Processor modelDiffersi5-520Mi7-620M
Processor boost frequencyDiffers2.93 GHz3.33 GHz
Processor frequencyDiffers2.4 GHz2.66 GHz
Processor cacheDiffers3 MB4 MB
Processor socketDiffersBGA 956BGA 1288
Processor seriesDiffersIntel Core i5-500 Mobile SeriesIntel Core i7-600 Mobile Series
CPU multiplier (bus/core ratio)Differs1820
Processor technologyKnown for oneIntel Centrino 2 w/ vPro
Memory2 differ
Internal memoryDiffers2 GB4 GB
Internal memory typeKnown for oneDDR3-SDRAM
Memory slotsKnown for one2x SO-DIMM
Maximum internal memoryDiffers4 GB8 GB
Memory upgradeKnown for one8 GB
Storage1 differ
Total storage capacityDiffers250 GB320 GB
Storage mediaKnown for oneHDD
HDD capacityKnown for one320 GB
Maximum HDD capacityKnown for one256 GB
Graphicsidentical
Graphics card familyKnown for oneIntel, NVIDIA
Discrete graphics cardKnown for oneYes
Discrete graphics card modelKnown for oneNVIDIA® Quadro® NVS 5100M
Audio1 differ
Audio systemDiffersHigh Definition AudioHD
Built-in speaker(s)Known for oneYes
Built-in microphoneKnown for oneYes
Number of built-in speakersKnown for one2
Audio includedKnown for oneHigh Definition Audio, stereo speakers, stereo headphone/line out, stereo microphone in, integrated dual-microphone array
Network2 differ
Wi-FiKnown for oneYes
Networking featuresDiffersIntel Gigabit Network Connection (10/100/1000 NIC)Gigabit Ethernet, WLAN
Wireless technologyDiffersIntel 802.11a/b/g/n; HP Integrated Module with Bluetooth 2.1 Wireless Technology, YYes
Wi-Fi standardsKnown for one802.11a, 802.11b, 802.11g
Ethernet LANKnown for oneYes
Ethernet LAN data ratesKnown for one10,100,1000 Mbit/s
Cabling technologyKnown for one10/100/1000Base-T(X)
Ports & interfacesidentical
eSATA/USB 2.0 ports quantityKnown for one0
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one0
DisplayPorts quantityKnown for one1
Thunderbolt ports quantityKnown for one0
TV-in portKnown for oneNo
PS/2 ports quantityKnown for one0
Parallel ports quantityKnown for one0
Serial ports quantityKnown for one0
I/O portsKnown for one2 USB 2.0; 2 USB 3.0; 1 DisplayPort; 1 external VGA monitor; 1 1394a; 1 stereo microphone in; 1 stereo headphone/line-out; 1 AC power; 1 RJ-11; 1 RJ-45; 1 eSATA; 1 docking connector; 1 secondary battery connector
Keyboardidentical
Pointing deviceKnown for oneTouchpad
Numeric keypadKnown for oneYes
Spill-resistant keyboardKnown for oneYes
Keyboard typeKnown for oneSpill-resistant keyboard with drain
Softwareidentical
Operating system architectureKnown for one32-bit
Bundled softwareKnown for oneHP Recovery Manager (available with Windows 7 or Vista only), HP Support Assistant (available with Windows 7 or Vista only), HP QuickLaunch Buttons Software, HP QuickLook 3, HP QuickWeb, HP Power Assistant, HP Connection Manager, HP Wireless Assistant, HP SkyRoom, Microsoft Office Professional 2007
Compatible operating systemsKnown for oneGenuine Windows Vista Enterprise 32; Genuine Windows Vista Enterprise 64; SUSE Linux Enterprise 11
Processor special features1 differ
Processor ARK IDDiffers4734143560
Processor codeKnown for oneSLBPE
Batteryidentical
Battery technologyKnown for oneLithium-Ion (Li-Ion)
Battery capacityKnown for one68 Wh
Securityidentical
Trusted Platform Module (TPM)Known for oneYes
Password protection typeKnown for oneYes
Security management descriptionKnown for oneMcAfee Security Solution, HP ProtectTools Security Manager, Enhanced Pre-Boot Security, HP SpareKey, One-Step Logon, Setup Password, DriveLock Password, TPM 1.2 Embedded Security Chip, TPM Enhanced DriveLock, HP Disk Sanitizer, Kensington Lock slot, Support for Computrace LoJack Pro for HP ProtectTo
Sustainabilityidentical
Sustainability certificatesKnown for oneENERGY STAR
Weight & dimensionsidentical
HeightKnown for one32.4 mm
Height (front)Known for one3.24 cm
Dimensions (WxDxH)Known for one374 x 252 x 32 mm
Packaging contentidentical
AC adapter includedKnown for oneYes
Other featuresidentical
Battery typeKnown for one8-cell (73 WHr) Lithium-Ion Battery
Power requirementsKnown for oneExternal 90W HP Smart AC Adapter (travel use), HP Fast Charge 8-cell (73 WHr) Lithium-Ion Battery
Modem speedKnown for one56 Kbit/s
Modem typeKnown for one56K V.92
Docking solutionKnown for oneHP Docking Station, HP Advanced Docking Station, HP USB 2.0 Docking Station, HP Essential USB 2.0 Port Replicator, HP Monitor Stand, HP Basic Adjustable Stand, HP Adjustable Notebook Stand
Expansion slotsKnown for one1 Express Card/54; 1 Smart Card Reader; 1 6-in-1 Media Card Reader
Hard driveidentical
Storage drive typeKnown for one250 GB 7200 rpm SATA II
Storage drive controllerKnown for oneSED SATA II (7200 rpm) SATA II (7200 rpm) Solid State Drive
Videoidentical
Video card featuresKnown for oneNVIDIA NVS 5100

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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