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

Side by side

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
Form factorKnown for one	Convertible (Swivel)	Unknown — not stated by the source
Displayidentical
LED backlightKnown for one	Unknown — not stated by the source	Yes
TouchscreenKnown for one	Yes	Unknown — not stated by the source
Processor10 differ
Processor familyDiffers	Intel® Core™ i5	Intel® Core™ i7
Processor generationDiffers	Intel® Core™ i5	Intel® Core™ i7
Processor modelDiffers	i5-540M	i7-640LM
Processor boost frequencyDiffers	3.07 GHz	2.93 GHz
Processor frequencyDiffers	2.53 GHz	2.13 GHz
Processor cacheDiffers	3 MB	4 MB
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 seriesDiffers	Intel Core i5-500 Mobile Series	Intel Core i7-600 Mobile Series
Thermal Design Power (TDP)Differs	35 W	25 W
CPU multiplier (bus/core ratio)Differs	19	16
Memory1 differ
Internal memoryDiffers	4 GB	2 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
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
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 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
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
Ports & interfaces2 differ
DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
DVI portKnown for one	Unknown — not stated by the source	No
S/PDIF out portKnown for one	Unknown — not stated by the source	No
Docking connectorDiffers	No	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
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
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
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® Smart CacheKnown for one	Unknown — not stated by the source	Yes
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
Batteryidentical
Battery technologyKnown for one	Lithium-Ion (Li-Ion)	Unknown — not stated by the source
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
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
TV tuner integratedKnown for one	Unknown — not stated by the source	No
Modem typeDiffers	56K V.92	30,7 cm (12.1") diagonal LED-backlit WXGA anti-glare (1280 x 800); Ambient Light Sensor
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
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.

More laptop comparisons

All laptop comparisons