Product comparison · 2 laptops

HP EliteBook LG668EA Intel® Core™ i7 i7-2620M vs HP EliteBook LG742ET laptop Intel® Core™ i5 i5-2540M

133specifications compared
21differ
112identical
11known for one product only

Key differences

Display diagonal
- EliteBook LG668EA Intel® Core™ i7 i7-2620M:31.8 cm (12.5")
- EliteBook LG742ET laptop Intel® Core™ i5 i5-2540M:35.6 cm (14")
Processor family
- EliteBook LG668EA Intel® Core™ i7 i7-2620M:Intel® Core™ i7
- EliteBook LG742ET laptop Intel® Core™ i5 i5-2540M:Intel® Core™ i5
Processor generation
- EliteBook LG668EA Intel® Core™ i7 i7-2620M:2nd gen Intel® Core™ i7
- EliteBook LG742ET laptop Intel® Core™ i5 i5-2540M:2nd gen Intel® Core™ i5
Processor model
- EliteBook LG668EA Intel® Core™ i7 i7-2620M:i7-2620M
- EliteBook LG742ET laptop Intel® Core™ i5 i5-2540M:i5-2540M
Processor boost frequency
- EliteBook LG668EA Intel® Core™ i7 i7-2620M:3.4 GHz
- EliteBook LG742ET laptop Intel® Core™ i5 i5-2540M:3.3 GHz
Processor frequency
- EliteBook LG668EA Intel® Core™ i7 i7-2620M:2.7 GHz
- EliteBook LG742ET laptop Intel® Core™ i5 i5-2540M:2.6 GHz
Processor cache
- EliteBook LG668EA Intel® Core™ i7 i7-2620M:4 MB
- EliteBook LG742ET laptop Intel® Core™ i5 i5-2540M:3 MB
Tjunction
- EliteBook LG668EA Intel® Core™ i7 i7-2620M:100 °C
- EliteBook LG742ET laptop Intel® Core™ i5 i5-2540M:100 C

Side by side

Differences highlightedShow differences only

Comparison of LG668EA, LG742ET
144 specifications	A HP EliteBook LG668EA Intel® Core™ i7 i7-2620M Model LG668EA View product	B HP EliteBook LG742ET laptop Intel® Core™ i5 i5-2540M Model LG742ET View product
Display1 differ
Display diagonalDiffers	31.8 cm (12.5")	35.6 cm (14")
Display resolutionKnown for one	1366 x 768 pixels	Unknown — not stated by the source
Native aspect ratioKnown for one	16:9	Unknown — not stated by the source
Processor9 differ
Processor familyDiffers	Intel® Core™ i7	Intel® Core™ i5
Processor generationDiffers	2nd gen Intel® Core™ i7	2nd gen Intel® Core™ i5
Processor modelDiffers	i7-2620M	i5-2540M
Processor boost frequencyDiffers	3.4 GHz	3.3 GHz
Processor frequencyDiffers	2.7 GHz	2.6 GHz
Processor cacheDiffers	4 MB	3 MB
Processor seriesDiffers	Intel Core i7-2600 Mobile Series	Intel Core i5-2500 Mobile Series
TjunctionDiffers	100 °C	100 C
CPU multiplier (bus/core ratio)Differs	27	26
Graphics2 differ
Discrete graphics cardDiffers	Yes	No
Discrete graphics card modelDiffers	Intel® HD Graphics 3000	Not available
Networkidentical
Mobile network connectionKnown for one	Unknown — not stated by the source	Yes
Mobile network generationKnown for one	Unknown — not stated by the source	3G
Networking typeKnown for one	Unknown — not stated by the source	Gigabit Ethernet
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers	2	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	0	2
Firewire (IEEE 1394) portsDiffers	0	1
Softwareidentical
Trial softwareKnown for one	Unknown — not stated by the source	Norton Internet Security 2011
Processor special features3 differ
Intel® Insider™Differs	Yes	No
Processor ARK IDDiffers	52231	50072
Processor codeDiffers	SR041	SR046
Batteryidentical
Battery life (max)Known for one	8.5 h	Unknown — not stated by the source
Securityidentical
Trusted Platform Module (TPM)Known for one	Unknown — not stated by the source	Yes
Weight & dimensions3 differ
WeightDiffers	1.67 kg	2.07 kg
WidthDiffers	305.2 mm	338 mm
DepthDiffers	209 mm	231.3 mm
HeightKnown for one	Unknown — not stated by the source	31.8 mm
Height (front)Known for one	2.74 cm	Unknown — not stated by the source
Optical driveidentical
LightScribeKnown for one	Yes	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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