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
Designidentical
Country of origin	China	China
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+
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Processor9 differ
Processor manufacturer	Intel	Intel
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 cores	2	2
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
System bus rate	5 GT/s	5 GT/s
Processor cacheDiffers	2 MB	3 MB
Processor cache typeDiffers	L3	Smart Cache
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Celeron Processor B800 Series for Mobile	Intel Core i5-2400 Mobile Series
Processor codename	Sandy Bridge	Sandy Bridge
Bus type	DMI	DMI
FSB Parity	No	No
SteppingDiffers	Q0	J1
Thermal Design Power (TDP)	35 W	35 W
Tjunction	100 °C	100 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurations	1x16, 2x8, 1x8+2x4	1x16, 2x8, 1x8+2x4
PCI Express slots version	2.0	2.0
CPU multiplier (bus/core ratio)Differs	19	25
ECC supported by processor	No	No
Processor socketKnown for one	Socket 988	Unknown — not stated by the source
Memoryidentical
Internal memory	4 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1333 MHz	1333 MHz
Memory slots	2x SO-DIMM	2x SO-DIMM
Maximum internal memory	8 GB	8 GB
Storageidentical
Total storage capacity	500 GB	500 GB
Storage media	HDD	HDD
Number of HDDs installed	1	1
HDD capacity	500 GB	500 GB
HDD interface	SATA II	SATA II
HDD speed	7200 RPM	7200 RPM
Optical drive type	DVD Super Multi DL	DVD Super Multi DL
Card reader integrated	Yes	Yes
Total HDDs capacityKnown for one	500 GB	Unknown — not stated by the source
Graphics5 differ
On-board graphics card	Yes	Yes
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 family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics	Intel® HD Graphics 3000
On-board graphics card base frequency	650 MHz	650 MHz
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
Number of built-in speakers	2	2
Built-in microphone	Yes	Yes
Networkidentical
Wi-Fi	Yes	Yes
Networking features	Gigabit Ethernet	Gigabit Ethernet
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Bluetooth	Yes	Yes
Bluetooth version	4.0	4.0
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Integrated 4G WiMAX	Yes	Yes
Top Wi-Fi standardKnown for one	Wi-Fi 4 (802.11n)	Unknown — not stated by the source
Ports & interfacesidentical
USB 2.0 ports quantity	2	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2	2
eSATA/USB 2.0 ports quantity	0	0
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantity	0	0
eSATA ports quantity	0	0
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantity	1	1
DisplayPorts quantity	0	0
DVI port	No	No
VGA (D-Sub) ports quantity	0	0
Firewire (IEEE 1394) ports	0	0
Headphone outputs	1	1
S/PDIF out port	No	No
Microphone in	Yes	Yes
ExpressCard slot	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
Thunderbolt ports quantityKnown for one	0	Unknown — not stated by the source
TV-outKnown for one	No	Unknown — not stated by the source
Performanceidentical
Motherboard chipset	Intel HM76 Express	Intel HM76 Express
Keyboardidentical
Pointing device	Touchpad	Touchpad
Numeric keypad	Yes	Yes
Spill-resistant keyboard	Yes	Yes
Full-size keyboard	Yes	Yes
Keyboard layoutKnown for one	Unknown — not stated by the source	QWERTY
Software1 differ
Operating system installedDiffers	Windows 7 Home Premium	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Processor special features13 differ
Intel® Wireless Display (Intel® WiDi)Differs	No	Yes
CPU configuration (max)	1	1
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithography	32 nm	32 nm
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
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 Identity Protection Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel Rapid Storage Technology	No	No
Intel Trusted Execution Technology	No	No
Intel VT-x with Extended Page Tables (EPT)Differs	No	Yes
Intel Virtualization Technology (VT-x)	Yes	Yes
Intel Virtualization Technology for Directed I/O (VT-d)	No	No
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® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
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® My WiFi Technology (Intel® MWT)	Yes	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
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	No	No
Battery3 differ
Battery technology	Lithium-Ion (Li-Ion)	Lithium-Ion (Li-Ion)
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
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	No	No
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 temperature (T-T)	5 - 35 °C	5 - 35 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	10 - 90%
Sustainabilityidentical
Sustainability certificates	ENERGY STAR	ENERGY STAR
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
Packaging contentidentical
AC adapter included	Yes	Yes
Other featuresidentical
Infrared data port	No	No
Intel segment tagging	Enterprise	Enterprise
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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