Product comparison · 2 laptops

HP ProBook 6450b Intel® Core™ i5 i5-450M Laptop vs HP 6555b Notebook PC

75specifications compared
21differ
54identical
69known for one product only

Key differences

Display diagonal
- ProBook 6450b Intel® Core™ i5 i5-450M Laptop:35.6 cm (14")
- 6555b Notebook PC:39.6 cm (15.6")
Processor manufacturer
- ProBook 6450b Intel® Core™ i5 i5-450M Laptop:Intel
- 6555b Notebook PC:AMD
Processor family
- ProBook 6450b Intel® Core™ i5 i5-450M Laptop:Intel® Core™ i5
- 6555b Notebook PC:AMD Phenom II
Processor model
- ProBook 6450b Intel® Core™ i5 i5-450M Laptop:i5-450M
- 6555b Notebook PC:N830
Processor frequency
- ProBook 6450b Intel® Core™ i5 i5-450M Laptop:2.4 GHz
- 6555b Notebook PC:2.1 GHz
Processor cache
- ProBook 6450b Intel® Core™ i5 i5-450M Laptop:3 MB
- 6555b Notebook PC:1.5 MB
Processor cache type
- ProBook 6450b Intel® Core™ i5 i5-450M Laptop:Smart Cache
- 6555b Notebook PC:L2
Internal memory
- ProBook 6450b Intel® Core™ i5 i5-450M Laptop:2 GB
- 6555b Notebook PC:4 GB

Side by side

Differences highlightedShow differences only

Comparison of 6450b, 6555b Notebook PC
144 specifications	A HP ProBook 6450b Intel® Core™ i5 i5-450M Laptop Model 6450b View product	B HP 6555b Notebook PC View product
Designidentical
Product typeKnown for one	Laptop	Unknown — not stated by the source
Country of origin	China	China
Display1 differ
Display diagonalDiffers	35.6 cm (14")	39.6 cm (15.6")
Display resolution	1366 x 768 pixels	1366 x 768 pixels
LED backlightKnown for one	Yes	Unknown — not stated by the source
Native aspect ratio	16:9	16:9
Processor6 differ
Processor manufacturerDiffers	Intel	AMD
Processor familyDiffers	Intel® Core™ i5	AMD Phenom II
Processor generationKnown for one	4th gen Intel® Core™ i5	Unknown — not stated by the source
Processor modelDiffers	i5-450M	N830
Processor coresKnown for one	2	Unknown — not stated by the source
Processor threadsKnown for one	4	Unknown — not stated by the source
Processor boost frequencyKnown for one	2.66 GHz	Unknown — not stated by the source
Processor frequencyDiffers	2.4 GHz	2.1 GHz
System bus rateKnown for one	4.8 GT/s	Unknown — not stated by the source
Processor cacheDiffers	3 MB	1.5 MB
Processor cache typeDiffers	Smart Cache	L2
Processor socketKnown for one	Socket 988	Unknown — not stated by the source
Processor lithographyKnown for one	32 nm	Unknown — not stated by the source
Processor operating modesKnown for one	64-bit	Unknown — not stated by the source
Processor seriesKnown for one	Intel Core i5-400 Series	Unknown — not stated by the source
Processor codenameKnown for one	Arrandale	Unknown — not stated by the source
Bus typeKnown for one	DMI	Unknown — not stated by the source
FSB ParityKnown for one	No	Unknown — not stated by the source
SteppingKnown for one	K0	Unknown — not stated by the source
Thermal Design Power (TDP)Known for one	35 W	Unknown — not stated by the source
TjunctionKnown for one	105 °C	Unknown — not stated by the source
Maximum number of PCI Express lanesKnown for one	16	Unknown — not stated by the source
PCI Express configurationsKnown for one	1x16	Unknown — not stated by the source
PCI Express slots versionKnown for one	2.0	Unknown — not stated by the source
Number of Processing Die TransistorsKnown for one	382 M	Unknown — not stated by the source
Processing Die sizeKnown for one	81 mm²	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Known for one	18	Unknown — not stated by the source
ECC supported by processorKnown for one	No	Unknown — not stated by the source
Memory1 differ
Internal memoryDiffers	2 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	320 GB	320 GB
Total HDDs capacity	320 GB	320 GB
HDD capacity	320 GB	320 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
Graphics2 differ
On-board graphics cardKnown for one	Yes	Unknown — not stated by the source
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	Intel® HD Graphics	AMD Mobility Radeon HD 4250
Graphics card familyDiffers	Intel	AMD
On-board graphics card familyKnown for one	Intel® HD Graphics	Unknown — not stated by the source
On-board graphics card modelKnown for one	Intel® HD Graphics	Unknown — not stated by the source
On-board graphics card base frequencyKnown for one	500 MHz	Unknown — not stated by the source
On-board graphics card dynamic frequency (max)Known for one	766 MHz	Unknown — not stated by the source
Audioidentical
Audio system	HP Premium Sound	HP Premium Sound
Optical driveidentical
LightScribe	Yes	Yes
Network1 differ
Wi-Fi	Yes	Yes
Wireless technologyDiffers	Wireless LAN, HP Mobile Broadband+GPS	Wireless LAN
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Bluetooth	Yes	Yes
Bluetooth version	2.1+EDR	2.1+EDR
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Ports & interfacesidentical
USB 2.0 ports quantity	3	3
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	0	0
eSATA/USB 2.0 ports quantity	1	1
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	0	0
DisplayPorts quantity	1	1
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) ports	1	1
Thunderbolt ports quantity	0	0
Headphone outputs	1	1
S/PDIF out port	No	No
Microphone in	Yes	Yes
ExpressCard slot	Yes	Yes
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
Serial ports quantityKnown for one	Unknown — not stated by the source	1
Performance1 differ
Motherboard chipsetDiffers	Intel® HM57 Express	AMD M880G
Keyboardidentical
Pointing device	Touchpad	Touchpad
Full-size keyboard	Yes	Yes
Software3 differ
Operating system installed	Windows 7 Professional	Windows 7 Professional
Operating system architectureDiffers	32-bit	64-bit
Trial softwareDiffers	Microsoft Office 2010, McAfee Total Protection, WinZip 14	Microsoft Office Professional 2007, McAfee Total Protection, WinZip 14
Bundled softwareDiffers	HP Recovery Manager HP Support Assistant HP ProtectTools Security Manager HP ProtectTools HP Quick Launch Buttons Software HP QuickLook 3 HP QuickWeb HP Power Assistant HP Connection Manager 3.1 HP Wireless Assistant HP DayStarter HP Webcam-Software Skype	HP Recovery Manager HP Support Assistant HP ProtectTools Security Manager HP ProtectTools HP Quick Launch Buttons Software HP QuickLook 3 HP QuickWeb HP Power Assistant HP Connection Manager 3.1 HP Wireless Assistant HP DayStarter HP Webcam Software Skype
Processor special featuresidentical
Intel® Wireless Display (Intel® WiDi)Known for one	No	Unknown — not stated by the source
CPU configuration (max)Known for one	1	Unknown — not stated by the source
Embedded options availableKnown for one	No	Unknown — not stated by the source
Enhanced Intel SpeedStep TechnologyKnown for one	Yes	Unknown — not stated by the source
Execute Disable BitKnown for one	Yes	Unknown — not stated by the source
Graphics & IMC lithographyKnown for one	45 nm	Unknown — not stated by the source
Idle StatesKnown for one	Yes	Unknown — not stated by the source
Intel 64Known for one	Yes	Unknown — not stated by the source
Intel Clear Video TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel Demand Based SwitchingKnown for one	No	Unknown — not stated by the source
Intel Dual Display Capable TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel Enhanced Halt StateKnown for one	Yes	Unknown — not stated by the source
Intel FDI TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel Fast Memory AccessKnown for one	Yes	Unknown — not stated by the source
Intel Flex Memory AccessKnown for one	Yes	Unknown — not stated by the source
Intel Rapid Storage TechnologyKnown for one	No	Unknown — not stated by the source
Intel Trusted Execution TechnologyKnown for one	No	Unknown — not stated by the source
Intel VT-x with Extended Page Tables (EPT)Known for one	Yes	Unknown — not stated by the source
Intel Virtualization Technology (VT-x)Known for one	Yes	Unknown — not stated by the source
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	No	Unknown — not stated by the source
Intel® AES New Instructions (Intel® AES-NI)Known for one	No	Unknown — not stated by the source
Intel® Anti-Theft Technology (Intel® AT)Known for one	No	Unknown — not stated by the source
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one	Yes	Unknown — not stated by the source
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	Yes	Unknown — not stated by the source
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	Yes	Unknown — not stated by the source
Intel® InTru™ 3D TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Insider™Known for one	No	Unknown — not stated by the source
Intel® My WiFi Technology (Intel® MWT)Known for one	No	Unknown — not stated by the source
Intel® Quick Sync Video TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Turbo Boost TechnologyKnown for one	1.0	Unknown — not stated by the source
Physical Address Extension (PAE)Known for one	36 bit	Unknown — not stated by the source
Processor ARK IDKnown for one	49022	Unknown — not stated by the source
Processor codeKnown for one	SLBTZ	Unknown — not stated by the source
Processor package sizeKnown for one	rPGA 37.5x 37.5, BGA 34x28	Unknown — not stated by the source
Supported instruction setsKnown for one	SSE4.1/4.2	Unknown — not stated by the source
Thermal Monitoring TechnologiesKnown for one	Yes	Unknown — not stated by the source
Conflict-Free processorKnown for one	No	Unknown — not stated by the source
Battery1 differ
Number of battery cells	6	6
Battery life (max)Differs	6.5 h	5.5 h
Power1 differ
AC adapter powerDiffers	65 W	90 W
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	No	No
Trusted Platform Module (TPM)Known for one	Unknown — not stated by the source	Yes
Password protection typeKnown for one	Unknown — not stated by the source	Yes
Operational conditionsidentical
Operating temperature (T-T)	5 - 35 °C	5 - 35 °C
Sustainabilityidentical
Sustainability certificates	ENERGY STAR	ENERGY STAR
Weight & dimensions4 differ
WeightDiffers	2.26 kg	2.51 kg
WidthDiffers	339 mm	371.4 mm
DepthDiffers	236.2 mm	248 mm
HeightDiffers	33.8 mm	34.8 mm
Packaging contentidentical
AC adapter included	Yes	Yes
Other featuresidentical
Infrared data port	No	No
TV tuner integrated	No	No
Intel segment tagging	Enterprise	Enterprise
Supplied AC adapter type	AC	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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