Product comparison · 2 laptops

HP EliteBook 2540p + U4415A vs HP ProBook 6450b + UJ382A

122specifications compared
33differ
89identical
11known for one product only

Key differences

Display diagonal
- EliteBook 2540p + U4415A:30.7 cm (12.1")
- ProBook 6450b + UJ382A:35.6 cm (14")
Display resolution
- EliteBook 2540p + U4415A:1280 x 800 pixels
- ProBook 6450b + UJ382A:1366 x 768 pixels
Native aspect ratio
- EliteBook 2540p + U4415A:16:10
- ProBook 6450b + UJ382A:16:9
Processor family
- EliteBook 2540p + U4415A:Intel® Core™ i7
- ProBook 6450b + UJ382A:Intel® Core™ i5
Processor generation
- EliteBook 2540p + U4415A:Intel® Core™ i7
- ProBook 6450b + UJ382A:4th gen Intel® Core™ i5
Processor model
- EliteBook 2540p + U4415A:i7-640LM
- ProBook 6450b + UJ382A:i5-450M
Processor boost frequency
- EliteBook 2540p + U4415A:2.93 GHz
- ProBook 6450b + UJ382A:2.66 GHz
Processor frequency
- EliteBook 2540p + U4415A:2.13 GHz
- ProBook 6450b + UJ382A:2.4 GHz

Side by side

Differences highlightedShow differences only

Comparison of EliteBook 2540p + U4415A, ProBook 6450b + UJ382A
133 specifications	A HP EliteBook 2540p + U4415A View product	B HP ProBook 6450b + UJ382A View product
Display3 differ
Display diagonalDiffers	30.7 cm (12.1")	35.6 cm (14")
Display resolutionDiffers	1280 x 800 pixels	1366 x 768 pixels
Native aspect ratioDiffers	16:10	16:9
Processor12 differ
Processor familyDiffers	Intel® Core™ i7	Intel® Core™ i5
Processor generationDiffers	Intel® Core™ i7	4th gen Intel® Core™ i5
Processor modelDiffers	i7-640LM	i5-450M
Processor boost frequencyDiffers	2.93 GHz	2.66 GHz
Processor frequencyDiffers	2.13 GHz	2.4 GHz
System bus rateDiffers	2.5 GT/s	4.8 GT/s
Processor cacheDiffers	4 MB	3 MB
Processor socketDiffers	BGA 1288	Socket 988
Processor seriesDiffers	Intel Core i7-600 Mobile Series	Intel Core i5-400 Series
SteppingDiffers	C2	K0
Thermal Design Power (TDP)Differs	25 W	35 W
CPU multiplier (bus/core ratio)Differs	16	18
Memoryidentical
Maximum internal memoryKnown for one	8 GB	Unknown — not stated by the source
Storage2 differ
Total storage capacityDiffers	160 GB	320 GB
HDD speedDiffers	5400 RPM	7200 RPM
Compatible memory cardsKnown for one	MMC, SD	Unknown — not stated by the source
Graphics2 differ
On-board graphics card base frequencyDiffers	266 MHz	500 MHz
On-board graphics card dynamic frequency (max)Differs	566 MHz	766 MHz
Ports & interfacesidentical
Modem (RJ-11) portsKnown for one	1	Unknown — not stated by the source
eSATA ports quantityKnown for one	Unknown — not stated by the source	1
Performance1 differ
Motherboard chipsetDiffers	Intel® QM57 Express	Intel® HM57 Express
Processor special features8 differ
Intel Trusted Execution TechnologyDiffers	Yes	No
Intel Virtualization Technology for Directed I/O (VT-d)Differs	Yes	No
Intel® AES New Instructions (Intel® AES-NI)Differs	Yes	No
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Physical Address Extension (PAE)Differs	Yes	36 bit
Processor ARK IDDiffers	43563	49022
Processor codeDiffers	SLBMK	SLBTZ
Processor package sizeDiffers	BGA 34 x 28	rPGA 37.5x 37.5, BGA 34x28
Supported instruction setsDiffers	SSE4.1, SSE4.2	SSE4.1/4.2
Batteryidentical
Battery life (max)Known for one	Unknown — not stated by the source	6.5 h
Weight & dimensions4 differ
WeightDiffers	1.5 kg	2.26 kg
WidthDiffers	282.2 mm	339 mm
DepthDiffers	213.4 mm	236.2 mm
Height (front)Differs	2.8 cm	3.38 cm
Other features1 differ
Internal modemDiffers	Yes	No
Modem speedKnown for one	56 Kbit/s	Unknown — not stated by the source
Modem typeKnown for one	V.92	Unknown — not stated by the source
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	HP Premier Sound
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Optical driveidentical
LightScribeKnown for one	Unknown — not stated by the source	Yes

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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