Product comparison · 2 pcs/workstations

Lenovo ThinkStation SNC94MD workstation Intel® Xeon® 3000 Sequence W3520 vs Lenovo ThinkStation D20 (4155-79G), IT

87specifications compared
32differ
55identical
31known for one product only

Key differences

Processor family
- ThinkStation SNC94MD workstation Intel® Xeon® 3000 Sequence W3520:Intel® Xeon® 3000 Sequence
- ThinkStation D20 (4155-79G), IT:Intel® Xeon® 5000 Sequence
Processor model
- ThinkStation SNC94MD workstation Intel® Xeon® 3000 Sequence W3520:W3520
- ThinkStation D20 (4155-79G), IT:E5507
Processor threads
- ThinkStation SNC94MD workstation Intel® Xeon® 3000 Sequence W3520:8
- ThinkStation D20 (4155-79G), IT:4
Processor frequency
- ThinkStation SNC94MD workstation Intel® Xeon® 3000 Sequence W3520:2.66 GHz
- ThinkStation D20 (4155-79G), IT:2.26 GHz
Processor cache
- ThinkStation SNC94MD workstation Intel® Xeon® 3000 Sequence W3520:8 MB
- ThinkStation D20 (4155-79G), IT:4 MB
System bus rate
- ThinkStation SNC94MD workstation Intel® Xeon® 3000 Sequence W3520:4.80 GT/s
- ThinkStation D20 (4155-79G), IT:4.8 GT/s
Processor series
- ThinkStation SNC94MD workstation Intel® Xeon® 3000 Sequence W3520:Intel Xeon 3500 Series
- ThinkStation D20 (4155-79G), IT:Intel Xeon 5500 Series
Processor codename
- ThinkStation SNC94MD workstation Intel® Xeon® 3000 Sequence W3520:Bloomfield
- ThinkStation D20 (4155-79G), IT:Nehalem EP

Side by side

Differences highlightedShow differences only

Comparison of SNC94MD, ThinkStation D20 (4155-79G), IT
118 specifications	A Lenovo ThinkStation SNC94MD workstation Intel® Xeon® 3000 Sequence W3520 Model SNC94MD View product	B Lenovo ThinkStation D20 (4155-79G), IT View product
Processor14 differ
Processor familyDiffers	Intel® Xeon® 3000 Sequence	Intel® Xeon® 5000 Sequence
Processor modelDiffers	W3520	E5507
Processor threadsDiffers	8	4
Processor boost frequencyKnown for one	2.93 GHz	Unknown — not stated by the source
Processor frequencyDiffers	2.66 GHz	2.26 GHz
Processor cacheDiffers	8 MB	4 MB
Processor front side busKnown for one	1066 MHz	Unknown — not stated by the source
System bus rateDiffers	4.80 GT/s	4.8 GT/s
Processor seriesDiffers	Intel Xeon 3500 Series	Intel Xeon 5500 Series
Processor codenameDiffers	Bloomfield	Nehalem EP
Processor system typeKnown for one	Up	Unknown — not stated by the source
Thermal Design Power (TDP)Differs	130 W	80 W
TcaseDiffers	67.9 °C	76 °C
Number of QPI linksDiffers	1	2
Number of Processing Die TransistorsKnown for one	731 M	Unknown — not stated by the source
Processing Die sizeKnown for one	263 mm²	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Known for one	20	Unknown — not stated by the source
Processor core voltage (AC)Known for one	0.800 - 1.225 V	Unknown — not stated by the source
Maximum internal memory supported by processorDiffers	24 GB	144 GB
Memory clock speeds supported by processorDiffers	800,1066 MHz	800 MHz
Memory bandwidth supported by processor (max)Differs	25.6 GB/s	19.2 GB/s
Memory1 differ
Internal memoryDiffers	6 GB	3 GB
ECCKnown for one	Yes	Unknown — not stated by the source
Maximum internal memoryKnown for one	Unknown — not stated by the source	96 GB
Memory layout (slots x size)Known for one	Unknown — not stated by the source	3 x 1 GB
Storage1 differ
HDD interfaceDiffers	SATA	SATA II
HDD speedKnown for one	7200 RPM	Unknown — not stated by the source
Compatible memory cardsKnown for one	Unknown — not stated by the source	CF, MMC, SD, xD
Performanceidentical
Motherboard form factorKnown for one	ATX	Unknown — not stated by the source
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers	8	10
DisplayPorts quantityKnown for one	2	Unknown — not stated by the source
Ethernet LAN (RJ-45) portsDiffers	1	2
PS/2 ports quantityDiffers	2	0
DVI-I ports quantityKnown for one	1	Unknown — not stated by the source
Line-inKnown for one	Unknown — not stated by the source	Yes
Firewire (IEEE 1394) portsKnown for one	Unknown — not stated by the source	2
Expansion slots2 differ
PCI Express x1 slotsKnown for one	1	Unknown — not stated by the source
PCI Express x4 slotsKnown for one	1	Unknown — not stated by the source
PCI Express x16 slotsDiffers	2	1
PCI slotsDiffers	1	2
Power1 differ
Power requirementsDiffers	100-240V, 50/60Hz	100-240V; 50/60Hz
Power supplyKnown for one	Unknown — not stated by the source	1060 W
Designidentical
Product colourKnown for one	Black	Unknown — not stated by the source
Softwareidentical
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Optional operating system suppliedKnown for one	Unknown — not stated by the source	Windows XP Professional
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 32/64-bit Windows Vista Enterprise 32/64-bit Windows Vista Ultimate 32/64-bit
Processor special features6 differ
CPU configuration (max)Known for one	1	Unknown — not stated by the source
Intel Virtualization Technology for Directed I/O (VT-d)Differs	No	Yes
Physical Address Extension (PAE)Differs	36 bit	Yes
Processor ARK IDDiffers	39718	37100
Processor codeDiffers	SLBEW	SLBKC
Processor package sizeKnown for one	42.5 x 45.0 mm	Unknown — not stated by the source
Supported instruction setsKnown for one	SSE4.2	Unknown — not stated by the source
Intel® Turbo Boost TechnologyDiffers	1.0	No
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Weight & dimensions4 differ
WidthDiffers	175 mm	210 mm
DepthDiffers	483 mm	579 mm
HeightDiffers	426 mm	485 mm
WeightDiffers	17.5 kg	24.9 kg
Optical driveidentical
CD read speedKnown for one	Unknown — not stated by the source	40x
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	ADI 1988 A
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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