Product comparison · 2 laptops

HP EliteBook 8540w + U4415A vs HP ProBook 6540b + Advanced Docking Station

121specifications compared
27differ
94identical
20known for one product only

Key differences

Display resolution
- EliteBook 8540w + U4415A:1600 x 900 pixels
- ProBook 6540b + Advanced Docking Station:1366 x 768 pixels
Processor generation
- EliteBook 8540w + U4415A:Intel® Core™ i5
- ProBook 6540b + Advanced Docking Station:4th gen Intel® Core™ i5
Processor model
- EliteBook 8540w + U4415A:i5-520M
- ProBook 6540b + Advanced Docking Station:i5-430M
Processor boost frequency
- EliteBook 8540w + U4415A:2.93 GHz
- ProBook 6540b + Advanced Docking Station:2.53 GHz
Processor frequency
- EliteBook 8540w + U4415A:2.4 GHz
- ProBook 6540b + Advanced Docking Station:2.26 GHz
Processor socket
- EliteBook 8540w + U4415A:BGA 956
- ProBook 6540b + Advanced Docking Station:BGA 1288
CPU multiplier (bus/core ratio)
- EliteBook 8540w + U4415A:18
- ProBook 6540b + Advanced Docking Station:17
Internal memory
- EliteBook 8540w + U4415A:4 GB
- ProBook 6540b + Advanced Docking Station:2 GB

Side by side

Differences highlightedShow differences only

Comparison of EliteBook 8540w + U4415A, ProBook 6540b + Advanced Docking Station
141 specifications	A HP EliteBook 8540w + U4415A View product	B HP ProBook 6540b + Advanced Docking Station View product
Designidentical
Product colourKnown for one	Black, Silver	Unknown — not stated by the source
Country of origin	China	China
Display1 differ
Display diagonal	39.6 cm (15.6")	39.6 cm (15.6")
Display resolutionDiffers	1600 x 900 pixels	1366 x 768 pixels
HD typeKnown for one	HD+	Unknown — not stated by the source
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Processor7 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™ i5	Intel® Core™ i5
Processor generationDiffers	Intel® Core™ i5	4th gen Intel® Core™ i5
Processor modelDiffers	i5-520M	i5-430M
Processor cores	2	2
Processor threads	4	4
Processor boost frequencyDiffers	2.93 GHz	2.53 GHz
Processor frequencyDiffers	2.4 GHz	2.26 GHz
System bus rate	2.5 GT/s	2.5 GT/s
Processor cache	3 MB	3 MB
Processor cache type	Smart Cache	Smart Cache
Processor socketDiffers	BGA 956	BGA 1288
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i5-500 Mobile Series	Intel Core i5-400 Series
Processor codename	Arrandale	Arrandale
Bus type	DMI	DMI
FSB Parity	No	No
Stepping	C2	C2
Thermal Design Power (TDP)	35 W	35 W
Tjunction	105 °C	105 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurations	1x16	1x16
PCI Express slots version	2.0	2.0
Number of Processing Die Transistors	382 M	382 M
Processing Die size	81 mm²	81 mm²
CPU multiplier (bus/core ratio)Differs	18	17
ECC supported by processor	No	No
Memory1 differ
Internal memoryDiffers	4 GB	2 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1333 MHz	1333 MHz
Maximum internal memory	8 GB	8 GB
Memory slotsKnown for one	Unknown — not stated by the source	2x SO-DIMM
Storage1 differ
Total storage capacity	320 GB	320 GB
HDD interfaceDiffers	SATA II	SATA
HDD speed	7200 RPM	7200 RPM
Optical drive typeKnown for one	DVD Super Multi DL	Unknown — not stated by the source
Card reader integrated	Yes	Yes
Graphics1 differ
On-board graphics card	Yes	Yes
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	NVIDIA® Quadro® FX 880M	Intel® GMA
Graphics card familyKnown for one	NVIDIA	Unknown — not stated by the source
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card model	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card base frequency	500 MHz	500 MHz
On-board graphics card dynamic frequency (max)	766 MHz	766 MHz
Audioidentical
Audio system	High Definition Audio	High Definition Audio
Number of built-in speakers	2	2
Optical driveidentical
LightScribe	Yes	Yes
Network1 differ
Wi-FiKnown for one	Yes	Unknown — not stated by the source
Networking featuresDiffers	Gigabit	Gigabit Ethernet
Bluetooth	Yes	Yes
Bluetooth version	2.1+EDR	2.1+EDR
Wireless technologyKnown for one	Unknown — not stated by the source	IEEE 802.11b/g/n
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers	2	4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	2	Unknown — not stated by the source
eSATA ports quantityKnown for one	1	Unknown — not stated by the source
Ethernet LAN (RJ-45) ports	1	1
DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) ports	1	1
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) ports	1	1
TV-in port	No	No
TV-out	No	No
HDMI ports quantityKnown for one	Unknown — not stated by the source	0
PS/2 ports quantityKnown for one	Unknown — not stated by the source	0
Parallel ports quantityKnown for one	Unknown — not stated by the source	0
Serial ports quantityKnown for one	Unknown — not stated by the source	1
Performance1 differ
Motherboard chipsetDiffers	Intel® QM57 Express	Intel® HM57 Express
Keyboardidentical
Pointing device	Touchpad	Touchpad
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Processor special features7 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 lithography	45 nm	45 nm
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	Yes	Yes
Intel Demand Based Switching	No	No
Intel Dual Display Capable Technology	Yes	Yes
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	Yes	Yes
Intel Fast Memory Access	Yes	Yes
Intel Flex Memory Access	Yes	Yes
Intel Rapid Storage Technology	No	No
Intel Trusted Execution TechnologyDiffers	Yes	No
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	Yes	No
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)	Yes	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	Yes	Yes
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)Differs	36 bit	Yes
Processor ARK IDDiffers	47341	43537
Processor package size	rPGA 37.5x 37.5, BGA 34x28	rPGA 37.5x 37.5, BGA 34x28
Supported instruction setsDiffers	SSE4.1/4.2	SSE4.1, SSE4.2
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	No	No
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Processor codeKnown for one	Unknown — not stated by the source	SLBPM
Battery2 differ
Number of battery cellsDiffers	8	6
Battery life (max)Differs	5.5 h	6.3 h
Poweridentical
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot type	Kensington	Kensington
Weight & dimensions4 differ
WeightDiffers	2.95 kg	2.51 kg
WidthDiffers	373.5 mm	371.4 mm
DepthDiffers	251.5 mm	284 mm
Height (front)Differs	3.24 cm	3.48 cm
Other featuresidentical
Infrared data port	No	No
Internal modem	Yes	Yes
TV tuner integratedKnown for one	No	Unknown — not stated by the source
Intel segment taggingKnown for one	Enterprise	Unknown — not stated by the source
Supplied AC adapter type	AC	AC
Modem speedKnown for one	Unknown — not stated by the source	56 Kbit/s
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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