Product comparison · 2 laptops

HP ProBook 6450b vs HP EliteBook WD943EA Intel® Core™ i7 i7-840QM

123specifications compared
52differ
71identical
40known for one product only

Key differences

Display diagonal
- ProBook 6450b:35.6 cm (14")
- EliteBook WD943EA Intel® Core™ i7 i7-840QM:43.2 cm (17")
Display resolution
- ProBook 6450b:1366 x 768 pixels
- EliteBook WD943EA Intel® Core™ i7 i7-840QM:1920 x 1200 pixels
Native aspect ratio
- ProBook 6450b:16:9
- EliteBook WD943EA Intel® Core™ i7 i7-840QM:16:10
Processor family
- ProBook 6450b:Intel® Core™ i5
- EliteBook WD943EA Intel® Core™ i7 i7-840QM:Intel® Core™ i7
Processor generation
- ProBook 6450b:4th gen Intel® Core™ i5
- EliteBook WD943EA Intel® Core™ i7 i7-840QM:Intel® Core™ i7
Processor model
- ProBook 6450b:i5-450M
- EliteBook WD943EA Intel® Core™ i7 i7-840QM:i7-840QM
Processor cores
- ProBook 6450b:2
- EliteBook WD943EA Intel® Core™ i7 i7-840QM:4
Processor threads
- ProBook 6450b:4
- EliteBook WD943EA Intel® Core™ i7 i7-840QM:8

Side by side

Differences highlightedShow differences only

Comparison of ProBook 6450b, WD943EA
163 specifications	A HP ProBook 6450b View product	B HP EliteBook WD943EA Intel® Core™ i7 i7-840QM Model WD943EA View product
Designidentical
Product colourKnown for one	Unknown — not stated by the source	Black, Graphite
Form factorKnown for one	Unknown — not stated by the source	Clamshell
Country of origin	China	China
Display3 differ
Display diagonalDiffers	35.6 cm (14")	43.2 cm (17")
Display resolutionDiffers	1366 x 768 pixels	1920 x 1200 pixels
LED backlight	Yes	Yes
Native aspect ratioDiffers	16:9	16:10
Display surfaceKnown for one	Unknown — not stated by the source	Matt
Processor19 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i5	Intel® Core™ i7
Processor generationDiffers	4th gen Intel® Core™ i5	Intel® Core™ i7
Processor modelDiffers	i5-450M	i7-840QM
Processor coresDiffers	2	4
Processor threadsDiffers	4	8
Processor boost frequencyDiffers	2.66 GHz	3.2 GHz
Processor frequencyDiffers	2.4 GHz	1.86 GHz
System bus rateDiffers	4.8 GT/s	2.5 GT/s
Processor cacheDiffers	3 MB	8 MB
Processor cache type	Smart Cache	Smart Cache
Processor socket	Socket 988	Socket 988
Processor lithographyDiffers	32 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i5-400 Series	Intel Core i7-800 Mobile Series
Processor codenameDiffers	Arrandale	Clarksfield
Bus type	DMI	DMI
FSB Parity	No	No
SteppingDiffers	K0	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	2 GB	16 GB
Internal memory typeKnown for one	Unknown — not stated by the source	DDR3-SDRAM
Memory clock speed	1333 MHz	1333 MHz
Maximum internal memoryDiffers	8 GB	32 GB
Memory slotsKnown for one	2x SO-DIMM	Unknown — not stated by the source
Memory upgradeKnown for one	8 GB	Unknown — not stated by the source
Storage2 differ
Total storage capacityDiffers	320 GB	500 GB
Storage media	HDD	HDD
HDD capacityKnown for one	Unknown — not stated by the source	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
Total HDDs capacityKnown for one	320 GB	Unknown — not stated by the source
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
Maximum HDD capacityKnown for one	500 GB	Unknown — not stated by the source
Graphics3 differ
On-board graphics cardDiffers	Yes	No
Graphics card familyDiffers	Intel	NVIDIA
On-board graphics card modelDiffers	Intel® HD Graphics	Not available
On-board graphics card familyKnown for one	Intel® HD Graphics	Unknown — not stated by the source
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
Audio1 differ
Audio systemDiffers	HP Premier Sound	HD
Built-in speaker(s)Known for one	Unknown — not stated by the source	Yes
Number of built-in speakers	2	2
Built-in microphoneKnown for one	Unknown — not stated by the source	Yes
Optical driveidentical
LightScribe	Yes	Yes
Network1 differ
Wi-Fi	Yes	Yes
Networking featuresDiffers	Gigabit Ethernet	Gigabit Ethernet, WLAN
Wi-Fi standardsKnown for one	Unknown — not stated by the source	802.11a, 802.11b, 802.11g
Ethernet LAN	Yes	Yes
Ethernet LAN data ratesKnown for one	Unknown — not stated by the source	10,100,1000 Mbit/s
Bluetooth	Yes	Yes
Bluetooth version	2.1+EDR	2.1+EDR
Cabling technologyKnown for one	Unknown — not stated by the source	10/100/1000Base-T(X)
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers	3	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	Unknown — not stated by the source	2
eSATA/USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	0
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one	Unknown — not stated by the source	0
eSATA ports quantity	1	1
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantityKnown for one	Unknown — not stated by the source	0
DisplayPorts quantityDiffers	1	0
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) ports	1	1
Thunderbolt ports quantityKnown for one	Unknown — not stated by the source	0
Headphone outputs	1	1
S/PDIF out port	No	No
Microphone in	Yes	Yes
Docking connector	Yes	Yes
ExpressCard slot	Yes	Yes
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	Yes	Yes
Modem (RJ-11) portsKnown for one	Unknown — not stated by the source	1
TV-out	No	No
Performance1 differ
Motherboard chipsetDiffers	Intel® HM57 Express	Intel® QM57 Express
Keyboardidentical
Pointing device	Touchpad	Touchpad
Numeric keypadKnown for one	Unknown — not stated by the source	Yes
Full-size keyboardKnown for one	Unknown — not stated by the source	Yes
Keyboard layout	QWERTY	QWERTY
Software1 differ
Operating system installed	Windows 7 Professional	Windows 7 Professional
Operating system architectureDiffers	32-bit	64-bit
Processor special features12 differ
Intel® Wireless Display (Intel® WiDi)	No	No
CPU configuration (max)	1	1
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
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 TechnologyDiffers	No	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)Differs	No	Yes
Intel® AES New Instructions (Intel® AES-NI)	No	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	49022	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
Graphics & IMC lithographyKnown for one	45 nm	Unknown — not stated by the source
Processor codeKnown for one	SLBTZ	Unknown — not stated by the source
Battery1 differ
Battery technologyKnown for one	Unknown — not stated by the source	Lithium-Ion (Li-Ion)
Number of battery cellsDiffers	6	8
Battery life (max)Known for one	6.5 h	Unknown — not stated by the source
Poweridentical
AC adapter powerKnown for one	Unknown — not stated by the source	200 W
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot type	Kensington	Kensington
Trusted Platform Module (TPM)Known for one	Unknown — not stated by the source	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 certificatesKnown for one	Unknown — not stated by the source	ENERGY STAR
Weight & dimensions3 differ
WeightDiffers	2.26 kg	3.57 kg
WidthDiffers	339 mm	397.5 mm
DepthDiffers	236.2 mm	285.5 mm
HeightKnown for one	Unknown — not stated by the source	36.5 mm
Height (front)Known for one	3.38 cm	Unknown — not stated by the source
Packaging contentidentical
AC adapter includedKnown for one	Unknown — not stated by the source	Yes
Other features1 differ
Infrared data port	No	No
Minimum storage drive spaceKnown for one	Unknown — not stated by the source	250 GB
Internal modemKnown for one	Unknown — not stated by the source	Yes
Modem speedKnown for one	Unknown — not stated by the source	56 Kbit/s
Modem typeDiffers	V.9	v.92
Intel segment tagging	Enterprise	Enterprise
Supplied AC adapter type	AC	AC
Hard driveidentical
Storage drive controllerKnown for one	Solid State Drive SATA II (7200 rpm)	Unknown — not stated by the source

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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