Product comparison · 2 pcs/workstations

HP xw6600 Intel® Xeon® Quad Core 5430 2.66GHz 2GB/250GB No Graphics DVD+/-RW WVST Bus Workstation vs Lenovo ThinkCentre A55 + Lenovo D221

80specifications compared
36differ
44identical
39known for one product only

Key differences

The HP xw6600 Intel® Xeon® Quad Core 5430 2.66GHz 2GB/250GB No Graphics DVD+/-RW WVST Bus Workstation has 2 more processor cores than the Lenovo ThinkCentre A55 + Lenovo D221 (4 vs 2). The HP xw6600 Intel® Xeon® Quad Core 5430 2.66GHz 2GB/250GB No Graphics DVD+/-RW WVST Bus Workstation has 2 more processor threads than the Lenovo ThinkCentre A55 + Lenovo D221 (4 vs 2). The HP xw6600 Intel® Xeon® Quad Core 5430 2.66GHz 2GB/250GB No Graphics DVD+/-RW WVST Bus Workstation has 0.46 GHz more processor frequency than the Lenovo ThinkCentre A55 + Lenovo D221 (2.66 GHz vs 2.2 GHz). Only the HP xw6600 Intel® Xeon® Quad Core 5430 2.66GHz 2GB/250GB No Graphics DVD+/-RW WVST Bus Workstation has FSB Parity. Only the Lenovo ThinkCentre A55 + Lenovo D221 has display included.

Processor family
- xw6600 Intel® Xeon® Quad Core 5430 2.66GHz 2GB/250GB No Graphics DVD+/-RW WVST Bus Workstation:Intel® Xeon® 5000 Sequence
- ThinkCentre A55 + Lenovo D221:Intel® Core™2 Duo
Processor model
- xw6600 Intel® Xeon® Quad Core 5430 2.66GHz 2GB/250GB No Graphics DVD+/-RW WVST Bus Workstation:E5430
- ThinkCentre A55 + Lenovo D221:E4500
Processor cores
- xw6600 Intel® Xeon® Quad Core 5430 2.66GHz 2GB/250GB No Graphics DVD+/-RW WVST Bus Workstation:4
- ThinkCentre A55 + Lenovo D221:2
Processor threads
- xw6600 Intel® Xeon® Quad Core 5430 2.66GHz 2GB/250GB No Graphics DVD+/-RW WVST Bus Workstation:4
- ThinkCentre A55 + Lenovo D221:2
Processor frequency
- xw6600 Intel® Xeon® Quad Core 5430 2.66GHz 2GB/250GB No Graphics DVD+/-RW WVST Bus Workstation:2.66 GHz
- ThinkCentre A55 + Lenovo D221:2.2 GHz
Processor cache
- xw6600 Intel® Xeon® Quad Core 5430 2.66GHz 2GB/250GB No Graphics DVD+/-RW WVST Bus Workstation:12 MB
- ThinkCentre A55 + Lenovo D221:2 MB
Processor front side bus
- xw6600 Intel® Xeon® Quad Core 5430 2.66GHz 2GB/250GB No Graphics DVD+/-RW WVST Bus Workstation:1333 MHz
- ThinkCentre A55 + Lenovo D221:800 MHz
FSB Parity
- xw6600 Intel® Xeon® Quad Core 5430 2.66GHz 2GB/250GB No Graphics DVD+/-RW WVST Bus Workstation:Yes
- ThinkCentre A55 + Lenovo D221:No

Side by side

Differences highlightedShow differences only

Comparison of xw6600 Intel® Xeon® Quad Core 5430 2.66GHz 2GB/250GB No Graphics DVD+/-RW WVST Bus Workstation, ThinkCentre A55 + Lenovo D221
119 specifications	A HP xw6600 Intel® Xeon® Quad Core 5430 2.66GHz 2GB/250GB No Graphics DVD+/-RW WVST Bus Workstation View product	B Lenovo ThinkCentre A55 + Lenovo D221 View product
Processor18 differ
Processor familyDiffers	Intel® Xeon® 5000 Sequence	Intel® Core™2 Duo
Processor modelDiffers	E5430	E4500
Processor coresDiffers	4	2
Processor threadsDiffers	4	2
Processor frequencyDiffers	2.66 GHz	2.2 GHz
Processor cacheDiffers	12 MB	2 MB
Processor front side busDiffers	1333 MHz	800 MHz
FSB ParityDiffers	Yes	No
Processor lithographyDiffers	45 nm	65 nm
Processor seriesDiffers	Intel Xeon 5400 Series	Intel Core 2 Duo E4000 Series
Processor codenameDiffers	Harpertown	Conroe
Processor system typeKnown for one	DP	Unknown — not stated by the source
Thermal Design Power (TDP)Differs	80 W	65 W
TcaseDiffers	67 °C	73.3 °C
Number of processors installedKnown for one	1	Unknown — not stated by the source
Processor socketDiffers	LGA 771 (Socket J)	LGA 775 (Socket T)
Number of Processing Die TransistorsDiffers	820 M	167 M
Processing Die sizeDiffers	214 mm²	111 mm²
CPU multiplier (bus/core ratio)Differs	8	11
SteppingDiffers	E0	M0
Processor core voltage (AC)Known for one	Unknown — not stated by the source	0.85 - 1.5 V
Memory1 differ
Maximum internal memoryDiffers	32 GB	4 GB
Memory clock speedKnown for one	667 MHz	Unknown — not stated by the source
ECCKnown for one	Yes	Unknown — not stated by the source
Memory slotsKnown for one	Unknown — not stated by the source	2x DIMM
Storageidentical
HDD capacityKnown for one	250 GB	Unknown — not stated by the source
Storage drive controllerKnown for one	SATA 3GB/s NCQ	Unknown — not stated by the source
Disk subsystem controllerKnown for one	Integrated SATA 3 Gb/s controller with RAID (0, 1,5) capability	Unknown — not stated by the source
Diskette driveKnown for one	No	Unknown — not stated by the source
Storage drive typeKnown for one	250 GB	Unknown — not stated by the source
Total storage capacityKnown for one	Unknown — not stated by the source	160 GB
Optical drive typeKnown for one	Unknown — not stated by the source	DVD±RW
Graphicsidentical
Video card featuresKnown for one	No	Unknown — not stated by the source
Discrete graphics card modelKnown for one	Unknown — not stated by the source	Intel® GMA 3000
Performance1 differ
Product typeDiffers	Workstation	PC
Motherboard chipsetKnown for one	Intel® 5400	Unknown — not stated by the source
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers	7	6
VGA (D-Sub) ports quantityDiffers	0	1
Serial ports quantityDiffers	0	1
Parallel ports quantityDiffers	0	1
I/O portsKnown for one	Front: headphone, microphone, 2 USB 2.0 and 1 optional IEEE 1394A; Rear: 5 USB 2.0, 1 optional serial port, 2 PS/2 keyboard and mouse, 1 RJ-45 to integrated Gigabit LAN, audio In, audio Out, microphone; 1 USB 2.0 (internal)	Unknown — not stated by the source
Expansion slotsidentical
Expansion slotsKnown for one	6 full length slots: 2 PCI Express (x16) Gen2 Graphics slots, 2 PCI Express (x8 mechanically, x4 electrically) slots, 2 legacy PCI slots	Unknown — not stated by the source
Power1 differ
Power requirementsKnown for one	650 watts wide-ranging, active Power Factor Correction, 80 Plus Efficient	Unknown — not stated by the source
Power supplyDiffers	650 W	280 W
Design1 differ
Chassis typeDiffers	Mini Tower	Tower
Country of originKnown for one	China	Unknown — not stated by the source
Display2 differ
Display includedDiffers	No	Yes
DisplayDiffers	HP LP3065 30in Flat Panel Monitor, HP LP2465 24in Flat Panel Monitor, HP LP2065 20.1in Flat Panel Monitor, HP LP1965 19in Flat Panel Monitor (all sold separately)	TFT
Display diagonalKnown for one	Unknown — not stated by the source	55.9 cm (22")
Display resolutionKnown for one	Unknown — not stated by the source	1680 x 1050 pixels
Contrast ratio (typical)Known for one	Unknown — not stated by the source	700:1
Display brightnessKnown for one	Unknown — not stated by the source	300 cd/m²
Viewing angle, horizontalKnown for one	Unknown — not stated by the source	176°
Viewing angle, verticalKnown for one	Unknown — not stated by the source	176°
Processor special features4 differ
Intel Demand Based SwitchingDiffers	Yes	No
Intel Virtualization Technology (VT-x)Differs	Yes	No
Processor ARK IDDiffers	33081	30781
Processor codeDiffers	SLBBK	SLA95
Audio1 differ
Audio systemDiffers	High Definition Audio	ADI 1986 A
Audio includedKnown for one	High Definition Integrated Realtek ALC262 Audio. Optional Sound Blaster X-Fi XtremeGamer Audio Card	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	5 - 35 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-40 - 60 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	8 - 85%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	8 - 90%	Unknown — not stated by the source
Relative humidityKnown for one	8 - 85%	Unknown — not stated by the source
Non-operating altitudeKnown for one	9100	Unknown — not stated by the source
Non-operating relative humidity (non-condensing)Known for one	8 - 90%	Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers	165 mm	175 mm
HeightDiffers	441 mm	402 mm
WeightDiffers	18.1 kg	10.2 kg
Keyboardidentical
Pointing deviceKnown for one	HP USB Optical Scroll Mouse	Unknown — not stated by the source
Keyboard typeKnown for one	HP Standard (USB, PS/2)	Unknown — not stated by the source
Other featuresidentical
Drive baysKnown for one	2 external 5.25" bays and 1 external 3.5" bay for optional floppy drive 2 internal 3.5” bays or 3 internal 2.5" bays	Unknown — not stated by the source
Networkidentical
Networking featuresKnown for one	Unknown — not stated by the source	Gigabit Ethernet
Softwareidentical
Operating system installedKnown for one	Unknown — not stated by the source	Windows Vista Business

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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