Product comparison · 2 laptops

HP EliteBook 2540p + U4415A vs HP ProBook 6450b + UJ382A

122specifications compared
33differ
89identical
11known for one product only

Key differences

Display diagonal
- EliteBook 2540p + U4415A:30.7 cm (12.1")
- ProBook 6450b + UJ382A:35.6 cm (14")
Display resolution
- EliteBook 2540p + U4415A:1280 x 800 pixels
- ProBook 6450b + UJ382A:1366 x 768 pixels
Native aspect ratio
- EliteBook 2540p + U4415A:16:10
- ProBook 6450b + UJ382A:16:9
Processor family
- EliteBook 2540p + U4415A:Intel® Core™ i7
- ProBook 6450b + UJ382A:Intel® Core™ i5
Processor generation
- EliteBook 2540p + U4415A:Intel® Core™ i7
- ProBook 6450b + UJ382A:4th gen Intel® Core™ i5
Processor model
- EliteBook 2540p + U4415A:i7-640LM
- ProBook 6450b + UJ382A:i5-450M
Processor boost frequency
- EliteBook 2540p + U4415A:2.93 GHz
- ProBook 6450b + UJ382A:2.66 GHz
Processor frequency
- EliteBook 2540p + U4415A:2.13 GHz
- ProBook 6450b + UJ382A:2.4 GHz

Side by side

Differences highlightedShow differences only

Comparison of EliteBook 2540p + U4415A, ProBook 6450b + UJ382A
133 specifications	A HP EliteBook 2540p + U4415A View product	B HP ProBook 6450b + UJ382A View product
Designidentical
Product colour	Silver	Silver
Country of origin	China	China
Display3 differ
Display diagonalDiffers	30.7 cm (12.1")	35.6 cm (14")
Display resolutionDiffers	1280 x 800 pixels	1366 x 768 pixels
LED backlight	Yes	Yes
Native aspect ratioDiffers	16:10	16:9
Processor12 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i7	Intel® Core™ i5
Processor generationDiffers	Intel® Core™ i7	4th gen Intel® Core™ i5
Processor modelDiffers	i7-640LM	i5-450M
Processor cores	2	2
Processor threads	4	4
Processor boost frequencyDiffers	2.93 GHz	2.66 GHz
Processor frequencyDiffers	2.13 GHz	2.4 GHz
System bus rateDiffers	2.5 GT/s	4.8 GT/s
Processor cacheDiffers	4 MB	3 MB
Processor cache type	Smart Cache	Smart Cache
Processor socketDiffers	BGA 1288	Socket 988
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i7-600 Mobile Series	Intel Core i5-400 Series
Processor codename	Arrandale	Arrandale
Bus type	DMI	DMI
FSB Parity	No	No
SteppingDiffers	C2	K0
Thermal Design Power (TDP)Differs	25 W	35 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	16	18
ECC supported by processor	No	No
Memoryidentical
Internal memory	2 GB	2 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 memoryKnown for one	8 GB	Unknown — not stated by the source
Storage2 differ
Total storage capacityDiffers	160 GB	320 GB
HDD interface	SATA II	SATA II
HDD speedDiffers	5400 RPM	7200 RPM
Optical drive type	DVD Super Multi DL	DVD Super Multi DL
Card reader integrated	Yes	Yes
Compatible memory cardsKnown for one	MMC, SD	Unknown — not stated by the source
Graphics2 differ
On-board graphics card	Yes	Yes
Graphics card family	Intel	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	266 MHz	500 MHz
On-board graphics card dynamic frequency (max)Differs	566 MHz	766 MHz
Networkidentical
Wi-Fi	Yes	Yes
Networking features	Gigabit Ethernet	Gigabit Ethernet
Bluetooth	Yes	Yes
Bluetooth version	2.1+EDR	2.1+EDR
Ports & interfacesidentical
USB 2.0 ports quantity	3	3
Ethernet LAN (RJ-45) ports	1	1
DisplayPorts quantity	1	1
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) ports	1	1
Headphone outputs	1	1
S/PDIF out port	No	No
Microphone in	Yes	Yes
Docking connector	Yes	Yes
ExpressCard slot	Yes	Yes
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	Yes	Yes
Modem (RJ-11) portsKnown for one	1	Unknown — not stated by the source
TV-in port	No	No
TV-out	No	No
eSATA ports quantityKnown for one	Unknown — not stated by the source	1
Performance1 differ
Motherboard chipsetDiffers	Intel® QM57 Express	Intel® HM57 Express
Keyboardidentical
Pointing device	Touchpad	Touchpad
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Processor special features8 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 TechnologyDiffers	Yes	No
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)Differs	Yes	No
Intel® AES New Instructions (Intel® AES-NI)Differs	Yes	No
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	Yes	Unknown — not stated by the source
Intel® Turbo Boost Technology	1.0	1.0
Physical Address Extension (PAE)Differs	Yes	36 bit
Processor ARK IDDiffers	43563	49022
Processor codeDiffers	SLBMK	SLBTZ
Processor package sizeDiffers	BGA 34 x 28	rPGA 37.5x 37.5, BGA 34x28
Supported instruction setsDiffers	SSE4.1, SSE4.2	SSE4.1/4.2
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	No	No
Batteryidentical
Number of battery cells	6	6
Battery life (max)Known for one	Unknown — not stated by the source	6.5 h
Poweridentical
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot type	Kensington	Kensington
Weight & dimensions4 differ
WeightDiffers	1.5 kg	2.26 kg
WidthDiffers	282.2 mm	339 mm
DepthDiffers	213.4 mm	236.2 mm
Height (front)Differs	2.8 cm	3.38 cm
Other features1 differ
Infrared data port	No	No
Internal modemDiffers	Yes	No
TV tuner integrated	No	No
Modem speedKnown for one	56 Kbit/s	Unknown — not stated by the source
Modem typeKnown for one	V.92	Unknown — not stated by the source
Intel segment tagging	Enterprise	Enterprise
Supplied AC adapter type	AC	AC
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	HP Premier Sound
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Optical driveidentical
LightScribeKnown for one	Unknown — not stated by the source	Yes

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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