Product comparison · 2 pcs/workstations

HP Compaq dc7800p Intel Core™2 Duo Processor E6750 2G/160G DVD+/-RW WVST Bus Small Form Factor PC vs Lenovo ThinkCentre M55p Small Desktop (8808-9WG), SE

69specifications compared
22differ
47identical
63known for one product only

Key differences

Processor model
- Compaq dc7800p Intel Core™2 Duo Processor E6750 2G/160G DVD+/-RW WVST Bus Small Form Factor PC:E6750
- ThinkCentre M55p Small Desktop (8808-9WG), SE:E6300
Processor frequency
- Compaq dc7800p Intel Core™2 Duo Processor E6750 2G/160G DVD+/-RW WVST Bus Small Form Factor PC:2.66 GHz
- ThinkCentre M55p Small Desktop (8808-9WG), SE:1.86 GHz
Processor cache
- Compaq dc7800p Intel Core™2 Duo Processor E6750 2G/160G DVD+/-RW WVST Bus Small Form Factor PC:4 MB
- ThinkCentre M55p Small Desktop (8808-9WG), SE:2 MB
Processor front side bus
- Compaq dc7800p Intel Core™2 Duo Processor E6750 2G/160G DVD+/-RW WVST Bus Small Form Factor PC:1333 MHz
- ThinkCentre M55p Small Desktop (8808-9WG), SE:1066 MHz
Tcase
- Compaq dc7800p Intel Core™2 Duo Processor E6750 2G/160G DVD+/-RW WVST Bus Small Form Factor PC:72 °C
- ThinkCentre M55p Small Desktop (8808-9WG), SE:61.4 °C
Number of Processing Die Transistors
- Compaq dc7800p Intel Core™2 Duo Processor E6750 2G/160G DVD+/-RW WVST Bus Small Form Factor PC:291 M
- ThinkCentre M55p Small Desktop (8808-9WG), SE:167 M
Processing Die size
- Compaq dc7800p Intel Core™2 Duo Processor E6750 2G/160G DVD+/-RW WVST Bus Small Form Factor PC:143 mm²
- ThinkCentre M55p Small Desktop (8808-9WG), SE:111 mm²
CPU multiplier (bus/core ratio)
- Compaq dc7800p Intel Core™2 Duo Processor E6750 2G/160G DVD+/-RW WVST Bus Small Form Factor PC:8
- ThinkCentre M55p Small Desktop (8808-9WG), SE:7

Side by side

Differences highlightedShow differences only

Comparison of Compaq dc7800p Intel Core™2 Duo Processor E6750 2G/160G DVD+/-RW WVST Bus Small Form Factor PC, ThinkCentre M55p Small Desktop (8808-9WG), SE
132 specifications	A HP Compaq dc7800p Intel Core™2 Duo Processor E6750 2G/160G DVD+/-RW WVST Bus Small Form Factor PC View product	B Lenovo ThinkCentre M55p Small Desktop (8808-9WG), SE View product
Processor9 differ
Processor modelDiffers	E6750	E6300
Processor frequencyDiffers	2.66 GHz	1.86 GHz
Processor cacheDiffers	4 MB	2 MB
Processor front side busDiffers	1333 MHz	1066 MHz
Processor seriesKnown for one	Intel Core 2 Duo E6000 Series	Unknown — not stated by the source
TcaseDiffers	72 °C	61.4 °C
Number of Processing Die TransistorsDiffers	291 M	167 M
Processing Die sizeDiffers	143 mm²	111 mm²
CPU multiplier (bus/core ratio)Differs	8	7
SteppingDiffers	G0	R0
Processor technologyKnown for one	Intel vPro	Unknown — not stated by the source
Number of processors installedKnown for one	Unknown — not stated by the source	1
Memory1 differ
Internal memoryDiffers	2 GB	1 GB
Maximum internal memoryKnown for one	Unknown — not stated by the source	4 GB
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 1 GB
Storage1 differ
Optical drive typeDiffers	DVD Super Multi	DVD-ROM
Storage drive controllerKnown for one	SATA 3.0Gb/s NCQ SMART VI	Unknown — not stated by the source
Disk subsystem controllerKnown for one	SATA 3.0Gb/s	Unknown — not stated by the source
Diskette driveKnown for one	Optional	Unknown — not stated by the source
Storage drive typeKnown for one	160 GB	Unknown — not stated by the source
Total storage capacityKnown for one	Unknown — not stated by the source	80 GB
HDD interfaceKnown for one	Unknown — not stated by the source	SATA
Graphicsidentical
Maximum graphics card memoryKnown for one	0.256 GB	Unknown — not stated by the source
Video card featuresKnown for one	3D/2D Controller: support is fully compliant with Microsoft standard API such as Microsoft DirectX9, DirectXVA, VMR9, GDI/GDI+; OpenGL 1.4.; Integrated VGA Controller; integrated 400 MHz RAMDAC; 400 MHz Controller Clock Speed; Overlay Planes: Single overlay support with 5x3 filtering; Maximum Color	Unknown — not stated by the source
Video adapter, busKnown for one	PCI Express x16	Unknown — not stated by the source
Video card resolutionKnown for one	Maximum Vertical Refresh Rate: 85 Hz at up to 1920x1440, 75 Hz at 2048x1536	Unknown — not stated by the source
Discrete graphics card modelKnown for one	Unknown — not stated by the source	Intel® GMA 3000
Performanceidentical
Password protection typeKnown for one	Unknown — not stated by the source	BIOS
Network1 differ
Modem typeKnown for one	No	Unknown — not stated by the source
Networking featuresDiffers	Integrated Intel 82566DM Gigabit Network Connection	Gigabit Ethernet
Ports & interfacesidentical
I/O portsKnown for one	Rear: 6 USB 2.0, 1 serial port, 1 optional serial port, 1 parallel port, 2 PS/2, 1 RJ-45, 1 VGA, audio in/out; Front: 2 USB 2.0, audio ports	Unknown — not stated by the source
Rear ports noteKnown for one	6 USB 2.0; 1 serial; 1 parallel; 2 PS/2; 1 RJ-45; 1 external VGA monitor; 1 audio in; 1 audio out	Unknown — not stated by the source
USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	8
Ethernet LAN (RJ-45) portsKnown for one	Unknown — not stated by the source	1
Headphone outputsKnown for one	Unknown — not stated by the source	1
Line-outKnown for one	Unknown — not stated by the source	Yes
Line-inKnown for one	Unknown — not stated by the source	Yes
Microphone inKnown for one	Unknown — not stated by the source	Yes
Parallel ports quantityKnown for one	Unknown — not stated by the source	1
Expansion slots1 differ
Expansion slotsDiffers	1 low-profile PCI, 2 full-height PCI (optional), 1 low-profile PCI Express x16, 2 low-profile PCI Express x1	1x PCI Express 1X (FH) 1x PCI (FH)
Poweridentical
Power supply typeKnown for one	240W 80 Plus Active PFC	Unknown — not stated by the source
Power requirementsKnown for one	Input voltage 90 – 264 / 100 – 240 VAC, 50/60 Hz, 47 – 63 Hz, active PFC (80% High Efficiency) Operating Voltage Range: 90 – 264 VAC; Rated Voltage Range: 100 – 240 VAC; Rated Line Frequency: 50/60 Hz; Operating Line Frequency Range: 47 – 63 Hz; Rated Input Current: 4.0 A; Rated Input Current 80 Plu	Unknown — not stated by the source
Power consumption (typical)Known for one	240 W	Unknown — not stated by the source
Power managementKnown for one	Operating Voltage Range: 90 – 264 VAC; Rated Voltage Range: 100 – 240 VAC; Rated Line Frequency: 50/60 Hz; Operating Line Frequency Range: 47 – 63 Hz; Rated Input Current: 4.0 A; Rated Input Current 80 Plus: 3.5 A; Current Leakage (NFPA 99): < 275 µA; System Heat Dissipation: Typical 198 btu/hr (50	Unknown — not stated by the source
Power supplyKnown for one	Unknown — not stated by the source	225 W
Designidentical
Country of originKnown for one	China	Unknown — not stated by the source
Upgrade typeKnown for one	Windows Vista capable	Unknown — not stated by the source
Chassis typeKnown for one	Unknown — not stated by the source	Small Desktop
Cable lock slotKnown for one	Unknown — not stated by the source	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	IBM
Software2 differ
Operating system installedDiffers	Windows Vista Business	Windows XP Professional
Applications supportedKnown for one	Windows Vista Premium ready	Unknown — not stated by the source
Compatible operating systemsKnown for one	Genuine Windows XP Home 32; Genuine Windows Vista Enterprise 32; Genuine Windows Vista Enterprise 64	Unknown — not stated by the source
Bundled softwareDiffers	On some models only (not included with FreeDOS): HP ProtectTools Security Solutions, HP OpenView Configuration Management Solutions Agent, HP Backup and Recovery Manager, HP Insight Diagnostics (available via HP Backup and Recovery Manager), HP Client Foundation Suite (HP Client Manager, HP Systems	Yes
Driver LANKnown for one	Microsoft Windows Vista, Microsoft Windows XP, Microsoft Windows 2000	Unknown — not stated by the source
Processor special features3 differ
Intel Trusted Execution TechnologyDiffers	Yes	No
Processor ARK IDDiffers	30784	27248
Processor codeDiffers	SLA9V	SLGW2
CPU configuration (max)Known for one	Unknown — not stated by the source	1
Audio1 differ
Audio systemDiffers	Integrated High Definition audio with ADI1884 codec, 3D audio compliant with AC'97 Rev. 2.3, internal PC speaker	ADI 1983 HD
Audio includedKnown for one	Integrated High Definition audio with ADI1884 codec, 3D audio compliant with AC'97 Rev. 2.3, internal PC speaker	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	10 - 35 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-30 - 60 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	10 - 90%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Relative humidityKnown for one	10 - 90%	Unknown — not stated by the source
Non-operating altitudeKnown for one	9144	Unknown — not stated by the source
Non-operating relative humidity (non-condensing)Known for one	5 - 90%	Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers	337 mm	310 mm
DepthDiffers	378 mm	87.5 mm
HeightDiffers	100 mm	358 mm
Size (imperial)Known for one	33.8 cm (13.3")	Unknown — not stated by the source
Weight (imperial)Known for one	18.75 lb	Unknown — not stated by the source
Certificatesidentical
CertificationKnown for one	ENERGY STAR qualified; EPEAT Gold; 80% efficient power supply	Unknown — not stated by the source
Keyboardidentical
Pointing deviceKnown for one	HP PS/2 2-Button Optical Scroll Mouse	Unknown — not stated by the source
Keyboard typeKnown for one	HP PS/2	Unknown — not stated by the source
Multimediaidentical
MultimediaKnown for one	Integrated High Definition audio with ADI1884 codec (all ports are stereo)	Unknown — not stated by the source
Featuresidentical
Manageability featuresKnown for one	Intel vPro technology enabled, helps to lower IT costs and simplify manageability	Unknown — not stated by the source
Security management descriptionKnown for one	Integrated 1.2 TPM Embedded Security Chip (except for Russia), HP Business PC Security Lock, HP USB Biometric Fingerprint Reader	Unknown — not stated by the source
Other featuresidentical
Security featuresKnown for one	Kensington Lock, Solenoid Hood Lock / Sensor	Unknown — not stated by the source
Drive baysKnown for one	1 external 5.25 inch, 1 external 3.5 inch 1 internal 3.5 inch	Unknown — not stated by the source
HDD user passwordKnown for one	Unknown — not stated by the source	Yes
Intel segment taggingKnown for one	Unknown — not stated by the source	Enterprise, Professional
Displayidentical
Display includedKnown for one	Unknown — not stated by the source	No
Packaging contentidentical
Mouse includedKnown 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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