Product comparison · 2 laptops

HP EliteBook 2740p Intel® Core™ i5 i5-540M Hybrid (2-in-1) vs HP EliteBook 2540p Notebook PC (ENERGY STAR)

128specifications compared
42differ
86identical
47known for one product only

Key differences

Product type
- EliteBook 2740p Intel® Core™ i5 i5-540M Hybrid (2-in-1):Hybrid (2-in-1)
- EliteBook 2540p Notebook PC (ENERGY STAR):Laptop
Processor family
- EliteBook 2740p Intel® Core™ i5 i5-540M Hybrid (2-in-1):Intel® Core™ i5
- EliteBook 2540p Notebook PC (ENERGY STAR):Intel® Core™ i7
Processor generation
- EliteBook 2740p Intel® Core™ i5 i5-540M Hybrid (2-in-1):Intel® Core™ i5
- EliteBook 2540p Notebook PC (ENERGY STAR):Intel® Core™ i7
Processor model
- EliteBook 2740p Intel® Core™ i5 i5-540M Hybrid (2-in-1):i5-540M
- EliteBook 2540p Notebook PC (ENERGY STAR):i7-640LM
Processor boost frequency
- EliteBook 2740p Intel® Core™ i5 i5-540M Hybrid (2-in-1):3.07 GHz
- EliteBook 2540p Notebook PC (ENERGY STAR):2.93 GHz
Processor frequency
- EliteBook 2740p Intel® Core™ i5 i5-540M Hybrid (2-in-1):2.53 GHz
- EliteBook 2540p Notebook PC (ENERGY STAR):2.13 GHz
Processor cache
- EliteBook 2740p Intel® Core™ i5 i5-540M Hybrid (2-in-1):3 MB
- EliteBook 2540p Notebook PC (ENERGY STAR):4 MB
Processor socket
- EliteBook 2740p Intel® Core™ i5 i5-540M Hybrid (2-in-1):BGA 956
- EliteBook 2540p Notebook PC (ENERGY STAR):BGA 1288

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Differences highlightedShow differences only

Comparison of 2740p, EliteBook 2540p Notebook PC (ENERGY STAR)
175 specifications	A HP EliteBook 2740p Intel® Core™ i5 i5-540M Hybrid (2-in-1) Model 2740p View product	B HP EliteBook 2540p Notebook PC (ENERGY STAR)View product
Design1 differ
Product typeDiffers	Hybrid (2-in-1)	Laptop
Product colourKnown for one	Unknown — not stated by the source	Silver
Country of origin	China	China
Form factorKnown for one	Convertible (Swivel)	Unknown — not stated by the source
Displayidentical
Display diagonal	30.7 cm (12.1")	30.7 cm (12.1")
Display resolution	1280 x 800 pixels	1280 x 800 pixels
LED backlightKnown for one	Unknown — not stated by the source	Yes
Native aspect ratio	16:10	16:10
TouchscreenKnown for one	Yes	Unknown — not stated by the source
Processor10 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i5	Intel® Core™ i7
Processor generationDiffers	Intel® Core™ i5	Intel® Core™ i7
Processor modelDiffers	i5-540M	i7-640LM
Processor cores	2	2
Processor threads	4	4
Processor boost frequencyDiffers	3.07 GHz	2.93 GHz
Processor frequencyDiffers	2.53 GHz	2.13 GHz
System bus rate	2.5 GT/s	2.5 GT/s
Processor cacheDiffers	3 MB	4 MB
Processor cache type	Smart Cache	Smart Cache
L3 cacheKnown for one	Unknown — not stated by the source	4 MB
L2 cacheKnown for one	Unknown — not stated by the source	4 MB
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 i7-600 Mobile Series
Processor codename	Arrandale	Arrandale
Bus type	DMI	DMI
FSB Parity	No	No
Stepping	C2	C2
Thermal Design Power (TDP)Differs	35 W	25 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	19	16
ECC supported by processor	No	No
Processor technology	Intel Centrino 2 w/ vPro	Intel Centrino 2 w/ vPro
Memory1 differ
Internal memoryDiffers	4 GB	2 GB
Memory clock speed	1333 MHz	1333 MHz
Memory slots	2x SO-DIMM	2x SO-DIMM
Maximum internal memory	8 GB	8 GB
Memory upgrade	8 GB	8 GB
Storage3 differ
Total HDDs capacityKnown for one	Unknown — not stated by the source	160 GB
HDD capacityDiffers	0 GB	160 GB
HDD interfaceKnown for one	Unknown — not stated by the source	SATA
HDD speedKnown for one	Unknown — not stated by the source	5400 RPM
Optical drive typeDiffers	No	DVD Super Multi DL
Card reader integrated	Yes	Yes
Compatible memory cardsKnown for one	Unknown — not stated by the source	MMC, SD
Maximum HDD capacityDiffers	320 GB	160 GB
Total SSDs capacityKnown for one	160 GB	Unknown — not stated by the source
SSD capacityKnown for one	160 GB	Unknown — not stated by the source
Graphics2 differ
On-board graphics card	Yes	Yes
Discrete graphics cardKnown for one	Unknown — not stated by the source	Yes
Discrete graphics card modelKnown for one	Unknown — not stated by the source	Intel® HD Graphics
Graphics card familyKnown for one	Unknown — not stated by the source	Intel
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 frequencyDiffers	500 MHz	266 MHz
On-board graphics card dynamic frequency (max)Differs	766 MHz	566 MHz
Graphics cardKnown for one	HD Graphics	Unknown — not stated by the source
Audio2 differ
Audio systemDiffers	HD	High Definition Audio
Number of built-in speakers	2	2
Audio includedDiffers	High Definition Audio support with 24-bit DAC, Integrated stereo speakers, Integrated dual-microphone array, Touch-sensitive controls for volume up, volume down, and mute, Combo headphone/mic jack	High definition audio; Integrated dual-microphone array; Integrated speakers; Touch-sensitive controls for volume up, volume down, and mute Combo headphone/microphone jack
Built-in microphoneKnown for one	Yes	Unknown — not stated by the source
Network2 differ
Wi-FiKnown for one	Unknown — not stated by the source	Yes
Networking featuresDiffers	Integrated Intel 82577 Gigabit Ethernet (10/100/1000 NIC)	Integrated Intel Gigabit Ethernet (10/100/1000 NIC)
Wireless technologyDiffers	Intel 802.11a/b/g; HP Integrated Module with Bluetooth 2.1 Wireless Technology	Intel 802.11a/b/g/n; HP Integrated Module with Bluetooth 2.1 Wireless Technology
Bluetooth	Yes	Yes
Bluetooth version	2.1+EDR	2.1+EDR
Ports & interfaces2 differ
USB 2.0 ports quantity	3	3
Ethernet LAN (RJ-45) ports	1	1
DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
DVI portKnown for one	Unknown — not stated by the source	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) ports	1	1
Headphone outputs	1	1
S/PDIF out portKnown for one	Unknown — not stated by the source	No
Microphone in	Yes	Yes
Docking connectorDiffers	No	Yes
ExpressCard slot	Yes	Yes
CardBus PCMCIA slots quantityKnown for one	Unknown — not stated by the source	0
CardBus PCMCIA slot typeKnown for one	Unknown — not stated by the source	No
SmartCard slot	Yes	Yes
Modem (RJ-11) ports	1	1
TV-in portKnown for one	Unknown — not stated by the source	No
TV-outKnown for one	Unknown — not stated by the source	No
I/O portsDiffers	3 USB 2.0; 1 1394a; 1 AC power; 1 combo stereo headphone/mic jack; 1 docking connector; 1 RJ-11; 1 RJ-45; 1 secondary battery connector; 1 VGA-in	Including one powered USB 2.0 port; Fourth USB 2.0 port available on configurations with 2.5-inch hard drive 3 USB 2.0; 1 1394a; 1 AC power; 1 combo stereo headphone/mic jack; 1 DisplayPort; 1 docking connector; 1 RJ-11; 1 RJ-45; 1 VGA-in
Performanceidentical
Motherboard chipset	Intel® QM57 Express	Intel® QM57 Express
GPS (satellite)Known for one	No	Unknown — not stated by the source
Keyboard1 differ
Keyboard typeDiffers	HP spill-resistant keyboard, HP Night Light shines directly on the keyboard for low-light conditions	Spill-resistant keyboard with drains; HP DuraKeys; HP Night Light shines directly on keyboard for low-light conditions
Software1 differ
Operating system installed	Windows 7 Professional	Windows 7 Professional
Compatible operating systemsDiffers	Genuine Windows Vista Enterprise 32; Genuine Windows Vista Enterprise 64; Genuine Windows 7 Home Premium; SuSE Linux Enterprise 10	Genuine Windows Vista Business 64; Genuine Windows Vista Enterprise 32; Genuine Windows Vista Enterprise 64; Genuine Windows 7 Enterprise 32; Genuine Windows 7 Enterprise 64; Genuine Windows 7 Ultimate 32; Genuine Windows 7 Ultimate 64; SuSE Linux Enterprise 10
Trial softwareKnown for one	WinZip 12; Microsoft Office Professional 2007; HP SkyRoom	Unknown — not stated by the source
Bundled softwareKnown for one	HP Recovery Manager; HP Support Assistant; HP QuickLaunch Buttons; HP QuickLook 3; HP QuickWeb; HP DayStarter; HP Power Assistant; HP Connection Manager; HP Wireless Assistant	Unknown — not stated by the source
Processor special features4 differ
Intel® Wireless Display (Intel® WiDi)	No	No
CPU configuration (max)	1	1
Embedded options available	No	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 Technology	Yes	Yes
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)	Yes	Yes
Intel® AES New Instructions (Intel® AES-NI)	Yes	Yes
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® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Intel® Turbo Boost Technology	1.0	1.0
Physical Address Extension (PAE)Differs	36 bit	Yes
Processor ARK IDDiffers	43544	43563
Processor codeKnown for one	Unknown — not stated by the source	SLBMK
Processor package sizeDiffers	rPGA 37.5x 37.5, BGA 34x28	BGA 34 x 28
Supported instruction setsDiffers	SSE4.1/4.2	SSE4.1, SSE4.2
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	No	No
Batteryidentical
Number of battery cells	6	6
Battery technologyKnown for one	Lithium-Ion (Li-Ion)	Unknown — not stated by the source
Poweridentical
DC-in jack	Yes	Yes
Security1 differ
Cable lock slotKnown for one	Unknown — not stated by the source	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Security management descriptionDiffers	HP ProtectTools Security Manager; HP Fingerprint Sensor; Integrated Smart Card Reader; Enhanced Pre-Boot Security; HP SpareKey; One-Step Logon; Setup Password; DriveLock Password; TPM 1.2 Embedded Security Chip; TPM Enhanced DriveLock; HP Disk Sanitizer; Kensington Lock slot; Support for Computrace	HP ProtectTools Security Manager; Integrated Smart Card Reader; Enhanced Pre-Boot Security; HP SpareKey; One-Step Logon; Setup Password; DriveLock Password; TPM 1.2 Embedded Security Chip; TPM Enhanced DriveLock; HP Disk Sanitizer; Kensington Lock slot; Support for Computrace LoJack Pro for HP Prote
Fingerprint readerKnown for one	Yes	Unknown — not stated by the source
Trusted Platform Module (TPM)Known for one	Yes	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)	5 - 35 °C	5 - 35 °C
Operating relative humidity (H-H)	10 - 90%	10 - 90%
Storage relative humidity (H-H)	5 - 95%	5 - 95%
Certificatesidentical
CertificationKnown for one	Unknown — not stated by the source	ENERGY STAR qualified; EPEAT Gold
Weight & dimensions3 differ
WidthDiffers	290 mm	282.2 mm
DepthDiffers	212 mm	213.4 mm
Height (front)Known for one	Unknown — not stated by the source	2.8 cm
Dimensions (WxDxH)Differs	290 x 212 x 31.7 mm	282.2 x 213.4 x 28 mm
Weight (imperial)Known for one	Unknown — not stated by the source	Weight varies by configuration and component. Starting at 3.38 lb
WeightKnown for one	1.72 kg	Unknown — not stated by the source
HeightKnown for one	31.7 mm	Unknown — not stated by the source
Video1 differ
Video adapter featuresDiffers	Microsoft DirectX 10 (Shader 4.0) and OpenGL 2.1 capable, with DDR3 system memory	Microsoft DirectX 10.1 (Shader Model 4.1) capable
Video card featuresKnown for one	Unknown — not stated by the source	Intel HD Graphics
Hard drive2 differ
Storage drive typeDiffers	160 GB Solid State Drive SATA II Hard Drive 160, 250 or 320 GB (5400 rpm), Solid State Drive 80 or 160 GB, HP 3D DriveGuard	160 GB 5400 rpm SATA II
Storage drive controllerDiffers	Solid State Drive SATA II (5400 rpm)	SATA II, SATA II (5400 rpm) SATA II (7200 rpm) Solid State Drive
Other features6 differ
Infrared data portKnown for one	Unknown — not stated by the source	No
Battery typeDiffers	HP Long Life 6-cell (39 WHr) Lithium-Ion Primary Battery	HP 6-cell (62 WHr) Lithium-Ion Primary Battery
Minimum storage drive spaceDiffers	160 GB	80 GB
Power requirementsDiffers	External 65W Smart AC adapter; Power cord (1.8 meters, with AC adapter 3.66 meters); HP Fast Charge	65W Smart AC adapter; Power cord (1.8 meters, with AC adapter 3.66 meters); HP Fast Charge
Wake-on-LAN readyKnown for one	Unknown — not stated by the source	Yes
Internal modem	Yes	Yes
TV tuner integratedKnown for one	Unknown — not stated by the source	No
Modem speed	56 Kbit/s	56 Kbit/s
Modem typeDiffers	56K V.92	30,7 cm (12.1") diagonal LED-backlit WXGA anti-glare (1280 x 800); Ambient Light Sensor
Intel segment tagging	Enterprise	Enterprise
Manageability featuresKnown for one	Unknown — not stated by the source	HP 3D DriveGuard; Intel Core i5 with vPro/Intel Core i7 with vPro technology capable
Docking solutionDiffers	HP 2740 Docking Station, HP USB 2.0 Docking Station, HP Essential USB 2.0 Port Replicator, HP Dual Hinge Notebook Stand, HP Display and Notebook Stand, HP Basic Adjustable Stand, HP Adjustable Display Stand, HP Adjustable Dual Display Stand	HP 2540 Docking Station, HP USB 2.0 Docking Station, HP Essential USB 2.0 Port Replicator, HP Dual Hinge Notebook Stand, HP Display and Notebook Stand, HP Basic Adjustable Stand, HP Adjustable Display Stand, HP Adjustable Dual Display Stand
Expansion slots	1 Express Card/34; 1 Smart Card Reader; 1 secure digital/MultiMedia card	1 Express Card/34; 1 Smart Card Reader; 1 secure digital/MultiMedia card
Multimedia featuresKnown for one	Unknown — not stated by the source	High Definition Audio support; Integrated dual-microphone array; Integrated mono speaker; Touch-sensitive controls for volume up, volume down, and mute; Combo headphone/mic jack
Supplied AC adapter typeDiffers	AC	AC, 2
Cameraidentical
Front camera resolution (numeric)Known for one	2 MP	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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