Product comparison · 2 pcs/workstations

HP Compaq dc7800 small form factor pc + L1740 monitor vs Lenovo ThinkCentre M55 Ultra Small Desktop (8795-B4G), ES

74specifications compared
25differ
49identical
33known for one product only

Key differences

Processor family
- Compaq dc7800 small form factor pc + L1740 monitor:Intel® Core™2 Duo
- ThinkCentre M55 Ultra Small Desktop (8795-B4G), ES:Intel® Pentium® D
Processor model
- Compaq dc7800 small form factor pc + L1740 monitor:E6550
- ThinkCentre M55 Ultra Small Desktop (8795-B4G), ES:925
Processor frequency
- Compaq dc7800 small form factor pc + L1740 monitor:2.33 GHz
- ThinkCentre M55 Ultra Small Desktop (8795-B4G), ES:3 GHz
Processor front side bus
- Compaq dc7800 small form factor pc + L1740 monitor:1333 MHz
- ThinkCentre M55 Ultra Small Desktop (8795-B4G), ES:800 MHz
Processor codename
- Compaq dc7800 small form factor pc + L1740 monitor:Conroe
- ThinkCentre M55 Ultra Small Desktop (8795-B4G), ES:Presler
Thermal Design Power (TDP)
- Compaq dc7800 small form factor pc + L1740 monitor:65 W
- ThinkCentre M55 Ultra Small Desktop (8795-B4G), ES:95 W
Tcase
- Compaq dc7800 small form factor pc + L1740 monitor:72 °C
- ThinkCentre M55 Ultra Small Desktop (8795-B4G), ES:63.4 °C
Number of Processing Die Transistors
- Compaq dc7800 small form factor pc + L1740 monitor:291 M
- ThinkCentre M55 Ultra Small Desktop (8795-B4G), ES:376 M

Side by side

Differences highlightedShow differences only

Comparison of Compaq dc7800 small form factor pc + L1740 monitor, ThinkCentre M55 Ultra Small Desktop (8795-B4G), ES
107 specifications	A HP Compaq dc7800 small form factor pc + L1740 monitor View product	B Lenovo ThinkCentre M55 Ultra Small Desktop (8795-B4G), ES View product
Processor11 differ
Processor familyDiffers	Intel® Core™2 Duo	Intel® Pentium® D
Processor modelDiffers	E6550	925
Processor frequencyDiffers	2.33 GHz	3 GHz
Processor front side busDiffers	1333 MHz	800 MHz
Processor seriesDiffers	Intel Core 2 Duo E6000 Series	Intel Pentium D 900 Series
Processor codenameDiffers	Conroe	Presler
Thermal Design Power (TDP)Differs	65 W	95 W
TcaseDiffers	72 °C	63.4 °C
Number of Processing Die TransistorsDiffers	291 M	376 M
Processing Die sizeDiffers	143 mm²	162 mm²
CPU multiplier (bus/core ratio)Differs	7	15
SteppingKnown for one	G0	Unknown — not stated by the source
Number of processors installedKnown for one	Unknown — not stated by the source	1
Memory1 differ
Maximum internal memoryDiffers	8 GB	4 GB
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 1 GB
Storage2 differ
Optical drive typeDiffers	DVD Super Multi	DVD-RW
HDD interfaceDiffers	SATA II	SATA
Graphics1 differ
Discrete graphics card modelDiffers	Intel® GMA 3100	Intel® GMA 3000
Optical driveidentical
LightScribeKnown for one	Yes	Unknown — not stated by the source
Network1 differ
Networking featuresDiffers	Intel 82566DM Gigabit	Gigabit Ethernet
Ports & interfacesidentical
PS/2 ports quantityKnown for one	2	Unknown — not stated by the source
Serial ports quantityKnown for one	1	Unknown — not stated by the source
Audio inputKnown for one	Yes	Unknown — not stated by the source
Headphone outputsKnown for one	Unknown — not stated by the source	1
Microphone inKnown for one	Unknown — not stated by the source	Yes
Poweridentical
Power requirementsKnown for one	90 – 264 V / 100 – 240 V, 50/60 Hz, 47 – 63 Hz	Unknown — not stated by the source
Power consumption (typical)Known for one	240 W	Unknown — not stated by the source
Power availabilityKnown for one	Unknown — not stated by the source	225 W
Designidentical
Chassis typeKnown for one	SFF	Unknown — not stated by the source
Country of originKnown for one	China	Unknown — not stated by the source
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
Softwareidentical
Bundled softwareKnown for one	Unknown — not stated by the source	Yes
Display1 differ
Display includedDiffers	Yes	No
Display diagonalKnown for one	43.2 cm (17")	Unknown — not stated by the source
Display resolutionKnown for one	1280 x 1024 pixels	Unknown — not stated by the source
Contrast ratio (typical)Known for one	500:1	Unknown — not stated by the source
Display brightnessKnown for one	300 cd/m²	Unknown — not stated by the source
Viewing angle, horizontalKnown for one	150°	Unknown — not stated by the source
Viewing angle, verticalKnown for one	135°	Unknown — not stated by the source
DisplayKnown for one	TFT	Unknown — not stated by the source
Processor special features4 differ
Intel Trusted Execution TechnologyDiffers	Yes	No
Intel Virtualization Technology (VT-x)Differs	Yes	No
Processor ARK IDDiffers	30783	27517
Processor codeKnown for one	SLA9X	Unknown — not stated by the source
Thermal Monitoring TechnologiesDiffers	Yes	No
Physical Address Extension (PAE)Known for one	Unknown — not stated by the source	Yes
Operational conditionsidentical
Operating temperature (T-T)Known for one	10 - 35 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	10 - 90%	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	337 mm	275 mm
DepthDiffers	378 mm	87.5 mm
HeightDiffers	100 mm	275 mm
WeightDiffers	8.5 kg	6.4 kg
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	ADI 1983 HD
Packaging contentidentical
Mouse includedKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
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

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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