Product comparison · 2 laptops

HP EliteBook WD934EA Intel® Core™ i5 i5-520M vs HP EliteBook WD943EA Intel® Core™ i7 i7-840QM

145specifications compared
43differ
102identical
11known for one product only

Key differences

Display resolution
- EliteBook WD934EA Intel® Core™ i5 i5-520M:1440 x 900 pixels
- EliteBook WD943EA Intel® Core™ i7 i7-840QM:1920 x 1200 pixels
Processor family
- EliteBook WD934EA Intel® Core™ i5 i5-520M:Intel® Core™ i5
- EliteBook WD943EA Intel® Core™ i7 i7-840QM:Intel® Core™ i7
Processor generation
- EliteBook WD934EA Intel® Core™ i5 i5-520M:Intel® Core™ i5
- EliteBook WD943EA Intel® Core™ i7 i7-840QM:Intel® Core™ i7
Processor model
- EliteBook WD934EA Intel® Core™ i5 i5-520M:i5-520M
- EliteBook WD943EA Intel® Core™ i7 i7-840QM:i7-840QM
Processor cores
- EliteBook WD934EA Intel® Core™ i5 i5-520M:2
- EliteBook WD943EA Intel® Core™ i7 i7-840QM:4
Processor threads
- EliteBook WD934EA Intel® Core™ i5 i5-520M:4
- EliteBook WD943EA Intel® Core™ i7 i7-840QM:8
Processor boost frequency
- EliteBook WD934EA Intel® Core™ i5 i5-520M:2.93 GHz
- EliteBook WD943EA Intel® Core™ i7 i7-840QM:3.2 GHz
Processor frequency
- EliteBook WD934EA Intel® Core™ i5 i5-520M:2.4 GHz
- EliteBook WD943EA Intel® Core™ i7 i7-840QM:1.86 GHz

Side by side

Differences highlightedShow differences only

Comparison of WD934EA, WD943EA
156 specifications	A HP EliteBook WD934EA Intel® Core™ i5 i5-520M Model WD934EA View product	B HP EliteBook WD943EA Intel® Core™ i7 i7-840QM Model WD943EA View product
Designidentical
Form factor	Clamshell	Clamshell
Country of origin	China	China
Product colourKnown for one	Unknown — not stated by the source	Black, Graphite
Display1 differ
Display diagonal	43.2 cm (17")	43.2 cm (17")
Display resolutionDiffers	1440 x 900 pixels	1920 x 1200 pixels
LED backlight	Yes	Yes
Native aspect ratio	16:10	16:10
Display surface	Matt	Matt
Processor19 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i5	Intel® Core™ i7
Processor generationDiffers	Intel® Core™ i5	Intel® Core™ i7
Processor modelDiffers	i5-520M	i7-840QM
Processor coresDiffers	2	4
Processor threadsDiffers	4	8
Processor boost frequencyDiffers	2.93 GHz	3.2 GHz
Processor frequencyDiffers	2.4 GHz	1.86 GHz
System bus rate	2.5 GT/s	2.5 GT/s
Processor cacheDiffers	3 MB	8 MB
Processor cache type	Smart Cache	Smart Cache
Processor socketDiffers	BGA 956	Socket 988
Processor lithographyDiffers	32 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i5-500 Mobile Series	Intel Core i7-800 Mobile Series
Processor codenameDiffers	Arrandale	Clarksfield
Bus type	DMI	DMI
FSB Parity	No	No
SteppingDiffers	C2	B1
Thermal Design Power (TDP)Differs	35 W	45 W
TjunctionDiffers	105 °C	100 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurationsDiffers	1x16	1x16, 2x8
PCI Express slots version	2.0	2.0
Number of Processing Die TransistorsDiffers	382 M	774 M
Processing Die sizeDiffers	81 mm²	296 mm²
CPU multiplier (bus/core ratio)Differs	18	14
ECC supported by processor	No	No
Memory2 differ
Internal memoryDiffers	4 GB	16 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1333 MHz	1333 MHz
Maximum internal memoryDiffers	16 GB	32 GB
Storage3 differ
Total storage capacityDiffers	320 GB	500 GB
Storage media	HDD	HDD
HDD capacityDiffers	320 GB	500 GB
HDD interface	SATA II	SATA II
HDD speed	7200 RPM	7200 RPM
Optical drive typeDiffers	DVD Super Multi DL	Blu-Ray DVD Combo
Card reader integrated	Yes	Yes
Graphics3 differ
On-board graphics cardDiffers	Yes	No
Graphics card familyDiffers	Intel, NVIDIA	NVIDIA
Discrete graphics memory typeKnown for one	GDDR5	Unknown — not stated by the source
On-board graphics card familyKnown for one	Intel® HD Graphics	Unknown — not stated by the source
On-board graphics card modelDiffers	Intel® HD Graphics	Not available
On-board graphics card base frequencyKnown for one	500 MHz	Unknown — not stated by the source
On-board graphics card dynamic frequency (max)Known for one	766 MHz	Unknown — not stated by the source
Audioidentical
Audio system	HD	HD
Built-in speaker(s)	Yes	Yes
Number of built-in speakers	2	2
Built-in microphone	Yes	Yes
Optical driveidentical
LightScribe	Yes	Yes
Networkidentical
Wi-Fi	Yes	Yes
Networking features	Gigabit Ethernet, WLAN	Gigabit Ethernet, WLAN
Wi-Fi standards	802.11a, 802.11b, 802.11g	802.11a, 802.11b, 802.11g
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Bluetooth	Yes	Yes
Bluetooth version	2.1+EDR	2.1+EDR
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Ports & interfaces2 differ
USB 2.0 ports quantity	2	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2	2
eSATA/USB 2.0 ports quantity	0	0
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantity	0	0
eSATA ports quantity	1	1
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantity	0	0
DisplayPorts quantityDiffers	1	0
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) ports	1	1
Thunderbolt ports quantity	0	0
Headphone outputs	1	1
S/PDIF out port	No	No
Microphone in	Yes	Yes
Docking connectorDiffers	No	Yes
ExpressCard slot	Yes	Yes
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	Yes	Yes
Modem (RJ-11) ports	1	1
TV-out	No	No
Performanceidentical
Motherboard chipset	Intel® QM57 Express	Intel® QM57 Express
Keyboardidentical
Pointing device	Touchpad	Touchpad
Numeric keypad	Yes	Yes
Spill-resistant keyboardKnown for one	Yes	Unknown — not stated by the source
Keyboard layout	QWERTY	QWERTY
Full-size keyboardKnown for one	Unknown — not stated by the source	Yes
Software1 differ
Operating system installedDiffers	Windows XP Professional	Windows 7 Professional
Operating system architectureKnown for one	Unknown — not stated by the source	64-bit
Processor special features12 differ
Intel® Wireless Display (Intel® WiDi)	No	No
CPU configuration (max)	1	1
Embedded options availableDiffers	Yes	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithographyKnown for one	45 nm	Unknown — not stated by the source
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video TechnologyDiffers	Yes	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable TechnologyDiffers	Yes	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI TechnologyDiffers	Yes	No
Intel Fast Memory AccessDiffers	Yes	No
Intel Flex Memory AccessDiffers	Yes	No
Intel Rapid Storage Technology	No	No
Intel Trusted Execution Technology	Yes	Yes
Intel VT-x with Extended Page Tables (EPT)	Yes	Yes
Intel Virtualization Technology (VT-x)	Yes	Yes
Intel Virtualization Technology for Directed I/O (VT-d)	Yes	Yes
Intel® AES New Instructions (Intel® AES-NI)Differs	Yes	No
Intel® Anti-Theft Technology (Intel® AT)	No	No
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	Yes	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Differs	Yes	No
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
Intel® InTru™ 3D Technology	No	No
Intel® Insider™	No	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Quick Sync Video Technology	No	No
Intel® Turbo Boost Technology	1.0	1.0
Physical Address Extension (PAE)	36 bit	36 bit
Processor ARK IDDiffers	47341	43125
Processor package sizeDiffers	rPGA 37.5x 37.5, BGA 34x28	37.5 x 37.5 mm
Supported instruction setsDiffers	SSE4.1/4.2	SSE4.2
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	No	No
Batteryidentical
Battery technology	Lithium-Ion (Li-Ion)	Lithium-Ion (Li-Ion)
Number of battery cells	8	8
Poweridentical
DC-in jack	Yes	Yes
AC adapter powerKnown for one	Unknown — not stated by the source	200 W
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot type	Kensington	Kensington
Trusted Platform Module (TPM)	Yes	Yes
Operational conditionsidentical
Operating temperature (T-T)	5 - 35 °C	5 - 35 °C
Operating relative humidity (H-H)	10 - 90%	10 - 90%
Storage relative humidity (H-H)	5 - 95%	5 - 95%
Sustainabilityidentical
Sustainability certificates	ENERGY STAR	ENERGY STAR
Weight & dimensionsidentical
Weight	3.57 kg	3.57 kg
Width	397.5 mm	397.5 mm
Depth	285.5 mm	285.5 mm
Height	36.5 mm	36.5 mm
Packaging contentidentical
AC adapter included	Yes	Yes
Other featuresidentical
Infrared data port	No	No
Minimum storage drive space	250 GB	250 GB
Internal modem	Yes	Yes
Modem speed	56 Kbit/s	56 Kbit/s
Intel segment tagging	Enterprise	Enterprise
Supplied AC adapter type	AC	AC
Modem typeKnown for one	Unknown — not stated by the source	v.92

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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