Product comparison · 2 laptops

HP Compaq Presario CQ71-330ED Notebook PC vs HP ProBook 6555b Notebook PC

50specifications compared
19differ
31identical
98known for one product only

Key differences

Product colour
- Compaq Presario CQ71-330ED Notebook PC:Black, Silver
- ProBook 6555b Notebook PC:Black
Display diagonal
- Compaq Presario CQ71-330ED Notebook PC:43.9 cm (17.3")
- ProBook 6555b Notebook PC:39.6 cm (15.6")
Processor model
- Compaq Presario CQ71-330ED Notebook PC:T6600
- ProBook 6555b Notebook PC:N620
Processor frequency
- Compaq Presario CQ71-330ED Notebook PC:2.2 GHz
- ProBook 6555b Notebook PC:2.8 GHz
Internal memory
- Compaq Presario CQ71-330ED Notebook PC:4 GB
- ProBook 6555b Notebook PC:2 GB
HDD interface
- Compaq Presario CQ71-330ED Notebook PC:SATA
- ProBook 6555b Notebook PC:SATA II
HDD speed
- Compaq Presario CQ71-330ED Notebook PC:5400 RPM
- ProBook 6555b Notebook PC:7200 RPM
Discrete graphics card model
- Compaq Presario CQ71-330ED Notebook PC:NVIDIA® GeForce® G103M
- ProBook 6555b Notebook PC:AMD Mobility Radeon HD 4250

Side by side

Differences highlightedShow differences only

Comparison of Compaq Presario CQ71-330ED Notebook PC, ProBook 6555b Notebook PC
148 specifications	A HP Compaq Presario CQ71-330ED Notebook PC View product	B HP ProBook 6555b Notebook PC View product
Design1 differ
Product colourDiffers	Black, Silver	Black
Country of origin	China	China
Display1 differ
Display diagonalDiffers	43.9 cm (17.3")	39.6 cm (15.6")
Display resolutionKnown for one	1600 x 900 pixels	Unknown — not stated by the source
HD typeKnown for one	HD+	Unknown — not stated by the source
LED backlight	Yes	Yes
Native aspect ratioKnown for one	16:9	Unknown — not stated by the source
Processor2 differ
Processor manufacturerKnown for one	Intel	Unknown — not stated by the source
Processor familyKnown for one	Intel® Core™2 Duo	Unknown — not stated by the source
Processor modelDiffers	T6600	N620
Processor coresKnown for one	2	Unknown — not stated by the source
Processor threadsKnown for one	2	Unknown — not stated by the source
Processor frequencyDiffers	2.2 GHz	2.8 GHz
Processor cache	2 MB	2 MB
Processor cache type	L2	L2
Processor front side busKnown for one	800 MHz	Unknown — not stated by the source
Processor socketKnown for one	Socket 478	Unknown — not stated by the source
Processor lithographyKnown for one	45 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 2 Duo T6000 Series	Unknown — not stated by the source
Processor codenameKnown for one	Penryn	Unknown — not stated by the source
Bus typeKnown for one	FSB	Unknown — not stated by the source
FSB ParityKnown for one	No	Unknown — not stated by the source
SteppingKnown for one	R0	Unknown — not stated by the source
Thermal Design Power (TDP)Known for one	35 W	Unknown — not stated by the source
TjunctionKnown for one	90 °C	Unknown — not stated by the source
Number of Processing Die TransistorsKnown for one	410 M	Unknown — not stated by the source
Processing Die sizeKnown for one	107 mm²	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Known for one	11	Unknown — not stated by the source
ECC supported by processorKnown for one	No	Unknown — not stated by the source
Memory1 differ
Internal memoryDiffers	4 GB	2 GB
Internal memory typeKnown for one	DDR2-SDRAM	Unknown — not stated by the source
Memory layout (slots x size)Known for one	2 x 2 GB	Unknown — not stated by the source
Maximum internal memory	8 GB	8 GB
Memory clock speedKnown for one	Unknown — not stated by the source	1333 MHz
Memory slotsKnown for one	Unknown — not stated by the source	2x SO-DIMM
Memory upgradeKnown for one	Unknown — not stated by the source	8 GB
Storage2 differ
Total storage capacityKnown for one	500 GB	Unknown — not stated by the source
HDD interfaceDiffers	SATA	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, MS PRO, SD, xD	Unknown — not stated by the source
Maximum HDD capacityKnown for one	Unknown — not stated by the source	500 GB
Graphics2 differ
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	NVIDIA® GeForce® G103M	AMD Mobility Radeon HD 4250
Discrete graphics card memoryKnown for one	0.512 GB	Unknown — not stated by the source
Graphics card familyDiffers	NVIDIA	AMD
Maximum graphics card memoryKnown for one	2.302 GB	Unknown — not stated by the source
Audioidentical
Number of built-in speakersKnown for one	2	Unknown — not stated by the source
Audio systemKnown for one	Unknown — not stated by the source	High Definition Audio
Audio includedKnown for one	Unknown — not stated by the source	HP Premier Sound; Integrated stereo speakers; Integrated microphone; Touch-sensitive controls
Network1 differ
Wi-Fi	Yes	Yes
Networking featuresDiffers	Ethernet, Fast Ethernet	Integrated Marvell Gigabit Ethernet PCI Controller (10/100/1000 NIC)
Bluetooth	Yes	Yes
Wireless technologyKnown for one	Unknown — not stated by the source	Broadcom 802.11a/b/g/n; HP Integrated Module with Bluetooth 2.1+EDR Wireless Technology
Bluetooth versionKnown for one	Unknown — not stated by the source	2.1+EDR
Ports & interfaces3 differ
USB 2.0 ports quantity	3	3
eSATA ports quantity	1	1
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantityDiffers	1	0
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Headphone outputs	1	1
S/PDIF out port	No	No
Microphone in	Yes	Yes
Docking connectorDiffers	No	Yes
ExpressCard slotDiffers	No	Yes
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	Yes	Yes
TV-in port	No	No
TV-out	No	No
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	Unknown — not stated by the source	0
DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
Firewire (IEEE 1394) portsKnown for one	Unknown — not stated by the source	1
Modem (RJ-11) portsKnown for one	Unknown — not stated by the source	1
PS/2 ports quantityKnown for one	Unknown — not stated by the source	0
Parallel ports quantityKnown for one	Unknown — not stated by the source	0
Serial ports quantityKnown for one	Unknown — not stated by the source	1
I/O portsKnown for one	Unknown — not stated by the source	3 USB 2.0; 1 eSATA/USB 2.0 Combo; 1 external VGA monitor; 1 DisplayPort; 1 1394a; 1 serial; 1 stereo microphone in; 1 stereo headphone/line-out; 1 AC power; 1 RJ-11 (select models); 1 RJ-45; 1 docking connector; 1 secondary battery connector
Keyboardidentical
Pointing deviceKnown for one	Touchpad	Unknown — not stated by the source
Keyboard layout	QWERTY	QWERTY
Keyboard typeKnown for one	Unknown — not stated by the source	Full-sized spill-resistent keyboard with drain and separate numeric keypad
Software1 differ
Operating system installedDiffers	Windows 7 Home Premium	Windows 7 Professional
Trial softwareKnown for one	Unknown — not stated by the source	Microsoft Office Professional 2007 McAfee Total Protection WinZip 14
Bundled softwareKnown for one	Unknown — not stated by the source	HP ProtectTools Security Manager HP ProtectTools f Central Management HP Quick Launch Buttons Software HP QuickLook 3 HP QuickWeb HP Power Assistant HP Connection Manager 3.1 HP Wireless Assistant HP DayStarter
Processor special featuresidentical
Intel® Wireless Display (Intel® WiDi)Known for one	No	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
Intel 64Known for one	Yes	Unknown — not stated by the source
Intel Clear Video TechnologyKnown for one	No	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	No	Unknown — not stated by the source
Intel Enhanced Halt StateKnown for one	No	Unknown — not stated by the source
Intel FDI TechnologyKnown for one	No	Unknown — not stated by the source
Intel Fast Memory AccessKnown for one	No	Unknown — not stated by the source
Intel Flex Memory AccessKnown for one	No	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	No	Unknown — not stated by the source
Intel Virtualization Technology (VT-x)Known for one	No	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	No	Unknown — not stated by the source
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	No	Unknown — not stated by the source
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	No	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	No	Unknown — not stated by the source
Processor ARK IDKnown for one	37255	Unknown — not stated by the source
Processor codeKnown for one	SLGF5	Unknown — not stated by the source
Processor package sizeKnown for one	35 x 35 mm	Unknown — not stated by the source
Thermal Monitoring TechnologiesKnown for one	No	Unknown — not stated by the source
Conflict-Free processorKnown for one	No	Unknown — not stated by the source
Batteryidentical
Number of battery cells	6	6
Poweridentical
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot type	Kensington	Kensington
Security management descriptionKnown for one	Unknown — not stated by the source	HP ProtectTools Security Manager; Enhanced Pre-Boot Security; HP SpareKey; One-Step Logon; Setup Password; TPM 1.2 Embedded Security Chip; TPM Enhanced DriveLock; HP Disk Sanitizer; Lock slot; Support for Computrace LoJack Pro for HP ProtectTools
Weight & dimensions4 differ
WeightDiffers	3.05 kg	2.51 kg
WidthDiffers	412 mm	371.4 mm
DepthDiffers	277 mm	248 mm
Height (front)Differs	3.61 cm	3.48 cm
Height (rear)Known for one	4.49 cm	Unknown — not stated by the source
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	371.4 X 248 X 34.8 mm
Other features1 differ
Infrared data port	No	No
Internal modemDiffers	No	Yes
TV tuner integrated	No	No
Supplied AC adapter type	AC	AC
Battery typeKnown for one	Unknown — not stated by the source	6-cell (55 WHr) Li-Ion
Minimum storage drive spaceKnown for one	Unknown — not stated by the source	250 GB
Power requirementsKnown for one	Unknown — not stated by the source	90W HP AC Adapter; HP Fast Charge
Intel segment taggingKnown for one	Unknown — not stated by the source	Enterprise
Manageability featuresKnown for one	Unknown — not stated by the source	HP 3D DriveGuard
Expansion slotsKnown for one	Unknown — not stated by the source	1 Express Card/54; 1 Media Card Reader An optional Integrated Smart Card Reader is available and replaces the ExpressCard/54 (or ExpressCard/34) slot.
Cameraidentical
Front cameraKnown for one	Unknown — not stated by the source	No
Optical driveidentical
LightScribeKnown for one	Unknown — not stated by the source	Yes
Performanceidentical
Motherboard chipsetKnown for one	Unknown — not stated by the source	AMD M880G
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 35 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	10 - 90%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Hard driveidentical
Storage drive typeKnown for one	Unknown — not stated by the source	250 GB 7200 rpm SATA II
Storage drive controllerKnown for one	Unknown — not stated by the source	SED SATA II (7200 rpm) SATA II (7200 rpm)

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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