Product comparison · 2 pcs/workstations

HP Compaq dx7500 MT vs Lenovo ThinkStation D20

82specifications compared
50differ
32identical
52known for one product only

Key differences

Processor family
- Compaq dx7500 MT:Intel® Core™2 Duo
- ThinkStation D20:Intel® Xeon® 5000 Sequence
Processor model
- Compaq dx7500 MT:E7400
- ThinkStation D20:X5550
Processor cores
- Compaq dx7500 MT:2
- ThinkStation D20:4
Processor threads
- Compaq dx7500 MT:2
- ThinkStation D20:8
Processor frequency
- Compaq dx7500 MT:2.8 GHz
- ThinkStation D20:2.66 GHz
Processor cache
- Compaq dx7500 MT:3 MB
- ThinkStation D20:8 MB
Processor cache type
- Compaq dx7500 MT:L2
- ThinkStation D20:Smart Cache
Bus type
- Compaq dx7500 MT:FSB
- ThinkStation D20:QPI

Side by side

Differences highlightedShow differences only

Comparison of Compaq dx7500 MT, ThinkStation D20
134 specifications	A HP Compaq dx7500 MT View product	B Lenovo ThinkStation D20 View product
Processor18 differ
Processor familyDiffers	Intel® Core™2 Duo	Intel® Xeon® 5000 Sequence
Processor modelDiffers	E7400	X5550
Processor coresDiffers	2	4
Processor threadsDiffers	2	8
Processor frequencyDiffers	2.8 GHz	2.66 GHz
Processor cacheDiffers	3 MB	8 MB
Processor cache typeDiffers	L2	Smart Cache
Processor front side busKnown for one	1066 MHz	Unknown — not stated by the source
Bus typeDiffers	FSB	QPI
Processor seriesDiffers	Intel Core 2 Duo E7000 Series	Intel Xeon 5500 Series
Processor codenameDiffers	Wolfdale	Nehalem EP
Thermal Design Power (TDP)Differs	65 W	95 W
TcaseDiffers	74.1 °C	75 °C
Processor socketDiffers	LGA 775 (Socket T)	Socket B (LGA 1366)
Number of Processing Die TransistorsDiffers	228 M	731 M
Processing Die sizeDiffers	82 mm²	263 mm²
CPU multiplier (bus/core ratio)Differs	10.5	20
SteppingDiffers	R0	D0
ECC supported by processorDiffers	No	Yes
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.06 GHz
System bus rateKnown for one	Unknown — not stated by the source	6.4 GT/s
Processor system typeKnown for one	Unknown — not stated by the source	DP
Number of QPI linksKnown for one	Unknown — not stated by the source	2
Maximum internal memory supported by processorKnown for one	Unknown — not stated by the source	144 GB
Memory types supported by processorKnown for one	Unknown — not stated by the source	DDR3-SDRAM
Memory clock speeds supported by processorKnown for one	Unknown — not stated by the source	800,1066,1333 MHz
Memory bandwidth supported by processor (max)Known for one	Unknown — not stated by the source	32 GB/s
Memory4 differ
Internal memoryDiffers	3 GB	8 GB
Maximum internal memoryDiffers	16 GB	192 GB
Internal memory typeDiffers	DDR2-SDRAM	DDR3-SDRAM
Memory layout (slots x size)Differs	3 x 1 GB	4 x 2 GB
Memory clock speedKnown for one	Unknown — not stated by the source	1333 MHz
Memory channelsKnown for one	Unknown — not stated by the source	Triple-channel
Storage2 differ
Total storage capacityKnown for one	500 GB	Unknown — not stated by the source
Optical drive typeDiffers	DVD Super Multi	DVD-RW
HDD speedKnown for one	7200 RPM	Unknown — not stated by the source
Card reader integratedDiffers	No	Yes
Storage drive controllerKnown for one	SATA 3.0Gb/s	Unknown — not stated by the source
HDD capacityKnown for one	Unknown — not stated by the source	1.5 TB
Compatible memory cardsKnown for one	Unknown — not stated by the source	CF, MMC, SD, xD
Graphicsidentical
Discrete graphics card modelKnown for one	Intel® GMA X4500HD	Unknown — not stated by the source
Video adapter, busKnown for one	PCI Express x16	Unknown — not stated by the source
Graphics cardKnown for one	Unknown — not stated by the source	Quadro FX 4800
Performance1 differ
Product typeDiffers	PC	Workstation
Optical driveidentical
LightScribeKnown for one	Yes	Unknown — not stated by the source
CD read speedKnown for one	Unknown — not stated by the source	40x
Networkidentical
Networking featuresKnown for one	Gigabit	Unknown — not stated by the source
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers	7	10
Ethernet LAN (RJ-45) portsDiffers	1	2
VGA (D-Sub) ports quantityDiffers	1	0
PS/2 ports quantityDiffers	2	0
S/PDIF out portKnown for one	Yes	Unknown — not stated by the source
Serial ports quantityDiffers	0	1
Line-inKnown for one	Unknown — not stated by the source	Yes
eSATA ports quantityKnown for one	Unknown — not stated by the source	1
I/O portsKnown for one	Unknown — not stated by the source	1 eSATA, 5 SATA Gen 2, 5 SAS
Expansion slotsidentical
PCI Express x1 slotsKnown for one	3	Unknown — not stated by the source
PCI slotsKnown for one	Unknown — not stated by the source	2
Power1 differ
Power supply typeKnown for one	300W	Unknown — not stated by the source
Power requirementsDiffers	90 – 140 / 100 – 127 VAC, 50/60 Hz, 47 – 63 Hz	100-240V@50-60Hz
Power supplyKnown for one	Unknown — not stated by the source	1060 W
Design2 differ
Chassis typeDiffers	Micro Tower	Tower
Cable lock slotKnown for one	Yes	Unknown — not stated by the source
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
External drive baysDiffers	2 x 5.25", 1 x 3.5"	3.5" x 1, 5.25" x 3
Country of originKnown for one	China	Unknown — not stated by the source
Internal drive baysKnown for one	Unknown — not stated by the source	3.5" x 5
Softwareidentical
Operating system installedKnown for one	Windows Vista Business	Unknown — not stated by the source
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows XP Pro SP1a/SP2a 32/64-bit Red Hat Enterprise Linux 5.0 Windows Vista Business Windows Vista Business 64 Windows Vista Enterprise Edition 32-bit Windows Vista Enterprise Edition 64-bit Windows Vista Ultimate Windows Vista Ultimate 64-Bit
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	800:1	Unknown — not stated by the source
Display brightnessKnown for one	300 cd/m²	Unknown — not stated by the source
Viewing angle, horizontalKnown for one	160°	Unknown — not stated by the source
Viewing angle, verticalKnown for one	160°	Unknown — not stated by the source
DisplayKnown for one	TFT	Unknown — not stated by the source
Processor special features11 differ
Embedded options availableDiffers	Yes	No
Intel Demand Based SwitchingDiffers	No	Yes
Intel VT-x with Extended Page Tables (EPT)Differs	No	Yes
Intel Virtualization Technology (VT-x)Differs	2	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Differs	No	Yes
Processor ARK IDDiffers	36500	37106
Processor codeDiffers	SLB9Y	SLBF5
Processor package sizeDiffers	37.5 x 37.5 mm	42.5 x 45 mm
Thermal Monitoring TechnologiesDiffers	Yes	No
Intel® Turbo Boost TechnologyDiffers	No	1.0
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
CPU configuration (max)Known for one	Unknown — not stated by the source	2
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Physical Address Extension (PAE)Known for one	Unknown — not stated by the source	Yes
Audio1 differ
Audio system direct 3D soundKnown for one	Yes	Unknown — not stated by the source
Audio systemDiffers	HD	ADI 1988 A
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	-30 - 60 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	15 - 80%	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	185 mm	210 mm
DepthDiffers	416 mm	579 mm
HeightDiffers	385 mm	485 mm
WeightDiffers	10.2 kg	24.9 kg
Packaging contentidentical
Mouse includedKnown for one	Unknown — not stated by the source	Yes
Keyboardidentical
Keyboard typeKnown for one	Unknown — not stated by the source	Preferred Pro USB

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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