Product comparison · 2 laptops

HP ProBook 4540s Intel® Celeron® B840 vs HP ProBook 4740s Notebook PC B6N04EA

137specifications compared
39differ
98identical
19known for one product only

Key differences

Display diagonal
- ProBook 4540s Intel® Celeron® B840:39.6 cm (15.6")
- ProBook 4740s Notebook PC B6N04EA:43.9 cm (17.3")
Display resolution
- ProBook 4540s Intel® Celeron® B840:1366 x 768 pixels
- ProBook 4740s Notebook PC B6N04EA:1600 x 900 pixels
Processor family
- ProBook 4540s Intel® Celeron® B840:Intel® Celeron®
- ProBook 4740s Notebook PC B6N04EA:Intel® Core™ i5
Processor model
- ProBook 4540s Intel® Celeron® B840:B840
- ProBook 4740s Notebook PC B6N04EA:i5-2450M
Processor threads
- ProBook 4540s Intel® Celeron® B840:2
- ProBook 4740s Notebook PC B6N04EA:4
Processor frequency
- ProBook 4540s Intel® Celeron® B840:1.9 GHz
- ProBook 4740s Notebook PC B6N04EA:2.5 GHz
Processor cache
- ProBook 4540s Intel® Celeron® B840:2 MB
- ProBook 4740s Notebook PC B6N04EA:3 MB
Processor cache type
- ProBook 4540s Intel® Celeron® B840:L3
- ProBook 4740s Notebook PC B6N04EA:Smart Cache

Side by side

Differences highlightedShow differences only

Comparison of 4540s, ProBook 4740s Notebook PC B6N04EA
156 specifications	A HP ProBook 4540s Intel® Celeron® B840 Model 4540s View product	B HP ProBook 4740s Notebook PC B6N04EA View product
Display2 differ
Display diagonalDiffers	39.6 cm (15.6")	43.9 cm (17.3")
Display resolutionDiffers	1366 x 768 pixels	1600 x 900 pixels
HD typeKnown for one	Unknown — not stated by the source	HD+
Processor9 differ
Processor familyDiffers	Intel® Celeron®	Intel® Core™ i5
Processor generationKnown for one	Unknown — not stated by the source	2nd gen Intel® Core™ i5
Processor modelDiffers	B840	i5-2450M
Processor threadsDiffers	2	4
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.1 GHz
Processor frequencyDiffers	1.9 GHz	2.5 GHz
Processor cacheDiffers	2 MB	3 MB
Processor cache typeDiffers	L3	Smart Cache
Processor seriesDiffers	Intel Celeron Processor B800 Series for Mobile	Intel Core i5-2400 Mobile Series
SteppingDiffers	Q0	J1
CPU multiplier (bus/core ratio)Differs	19	25
Processor socketKnown for one	Socket 988	Unknown — not stated by the source
Storageidentical
Total HDDs capacityKnown for one	500 GB	Unknown — not stated by the source
Graphics5 differ
Discrete graphics cardDiffers	No	Yes
Discrete graphics card modelDiffers	Not available	AMD Radeon HD 7650M
Graphics card familyDiffers	Intel	AMD, Intel
Discrete graphics memory typeKnown for one	Unknown — not stated by the source	GDDR3
On-board graphics card modelDiffers	Intel® HD Graphics	Intel® HD Graphics 3000
On-board graphics card dynamic frequency (max)Differs	1000 MHz	1300 MHz
On-board graphics card IDKnown for one	Unknown — not stated by the source	0x116
Audio1 differ
Audio systemDiffers	SRS PS	SRS Premium Sound PRO
Networkidentical
Top Wi-Fi standardKnown for one	Wi-Fi 4 (802.11n)	Unknown — not stated by the source
Ports & interfacesidentical
Thunderbolt ports quantityKnown for one	0	Unknown — not stated by the source
TV-outKnown for one	No	Unknown — not stated by the source
Keyboardidentical
Keyboard layoutKnown for one	Unknown — not stated by the source	QWERTY
Software1 differ
Operating system installedDiffers	Windows 7 Home Premium	Windows 7 Professional
Processor special features13 differ
Intel® Wireless Display (Intel® WiDi)Differs	No	Yes
Intel Identity Protection Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel VT-x with Extended Page Tables (EPT)Differs	No	Yes
Intel® AES New Instructions (Intel® AES-NI)Differs	No	Yes
Intel® Anti-Theft Technology (Intel® AT)Differs	No	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	No	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
Intel® Identity Protection Technology (Intel® IPT)Known for one	Unknown — not stated by the source	Yes
Intel® InTru™ 3D TechnologyDiffers	No	Yes
Intel® Insider™Differs	No	Yes
Intel® Quick Sync Video TechnologyDiffers	No	Yes
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Intel® Turbo Boost TechnologyDiffers	No	2.0
Processor ARK IDDiffers	59801	53452
Processor codeDiffers	SR0EN	SR04Z
Processor package sizeDiffers	37.5 x 37.5 (rPGA988B)	37.5x37.5 (rPGA988B); 31 x 24 (BGA1023)
Supported instruction setsKnown for one	Unknown — not stated by the source	AVX
Battery3 differ
Number of battery cellsDiffers	6	8
Battery capacityDiffers	47 Wh	73 Wh
Battery life (max)Differs	7 h	10.5 h
Power1 differ
AC adapter powerDiffers	65 W	90 W
Securityidentical
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
Operational conditionsidentical
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	10 - 90%
Weight & dimensions4 differ
WeightDiffers	2.47 kg	3.05 kg
WidthDiffers	375 mm	413 mm
DepthDiffers	256 mm	279 mm
HeightDiffers	28 mm	29 mm
Other featuresidentical
Supplied AC adapter typeKnown for one	Unknown — not stated by the source	AC

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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