Product comparison · 2 pcs/workstations

Lenovo ThinkStation SNF98IX workstation Intel® Xeon® 5000 Sequence E5640 vs Lenovo ThinkStation D20 (4155-79G), IT

84specifications compared
27differ
57identical
28known for one product only

Key differences

Processor model
- ThinkStation SNF98IX workstation Intel® Xeon® 5000 Sequence E5640:E5640
- ThinkStation D20 (4155-79G), IT:E5507
Processor threads
- ThinkStation SNF98IX workstation Intel® Xeon® 5000 Sequence E5640:8
- ThinkStation D20 (4155-79G), IT:4
Processor frequency
- ThinkStation SNF98IX workstation Intel® Xeon® 5000 Sequence E5640:2.66 GHz
- ThinkStation D20 (4155-79G), IT:2.26 GHz
Processor cache
- ThinkStation SNF98IX workstation Intel® Xeon® 5000 Sequence E5640:12 MB
- ThinkStation D20 (4155-79G), IT:4 MB
System bus rate
- ThinkStation SNF98IX workstation Intel® Xeon® 5000 Sequence E5640:5.86 GT/s
- ThinkStation D20 (4155-79G), IT:4.8 GT/s
Processor lithography
- ThinkStation SNF98IX workstation Intel® Xeon® 5000 Sequence E5640:32 nm
- ThinkStation D20 (4155-79G), IT:45 nm
Processor series
- ThinkStation SNF98IX workstation Intel® Xeon® 5000 Sequence E5640:Intel Xeon 5600 Series
- ThinkStation D20 (4155-79G), IT:Intel Xeon 5500 Series
Processor codename
- ThinkStation SNF98IX workstation Intel® Xeon® 5000 Sequence E5640:Westmere EP
- ThinkStation D20 (4155-79G), IT:Nehalem EP

Side by side

Differences highlightedShow differences only

Comparison of SNF98IX, ThinkStation D20 (4155-79G), IT
112 specifications	A Lenovo ThinkStation SNF98IX workstation Intel® Xeon® 5000 Sequence E5640 Model SNF98IX View product	B Lenovo ThinkStation D20 (4155-79G), IT View product
Processor13 differ
Processor modelDiffers	E5640	E5507
Processor threadsDiffers	8	4
Processor frequencyDiffers	2.66 GHz	2.26 GHz
Processor cacheDiffers	12 MB	4 MB
System bus rateDiffers	5.86 GT/s	4.8 GT/s
Processor lithographyDiffers	32 nm	45 nm
Processor seriesDiffers	Intel Xeon 5600 Series	Intel Xeon 5500 Series
Processor codenameDiffers	Westmere EP	Nehalem EP
TcaseDiffers	77.6 °C	76 °C
SteppingDiffers	B1	D0
Maximum internal memory supported by processorDiffers	288 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
Processor boost frequencyKnown for one	2.93 GHz	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Known for one	20	Unknown — not stated by the source
Memory1 differ
Internal memoryDiffers	6 GB	3 GB
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
ECCKnown for one	Yes	Unknown — not stated by the source
Storage1 differ
HDD interfaceDiffers	SATA	SATA II
Compatible memory cardsKnown for one	Unknown — not stated by the source	CF, MMC, SD, xD
HDD speedKnown for one	7200 RPM	Unknown — not stated by the source
Optical driveidentical
CD read speedKnown for one	Unknown — not stated by the source	40x
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers	8	10
Line-inKnown for one	Unknown — not stated by the source	Yes
PS/2 ports quantityDiffers	2	0
Firewire (IEEE 1394) portsKnown for one	Unknown — not stated by the source	2
DisplayPorts quantityKnown for one	2	Unknown — not stated by the source
DVI-I ports quantityKnown for one	1	Unknown — not stated by the source
Expansion slots1 differ
PCI Express x16 slotsDiffers	2	1
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
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
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
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Processor special features6 differ
Intel Trusted Execution TechnologyDiffers	Yes	No
Intel® AES New Instructions (Intel® AES-NI)Differs	Yes	No
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Physical Address Extension (PAE)Differs	40 bit	Yes
Processor ARK IDDiffers	47923	37100
Processor codeKnown for one	Unknown — not stated by the source	SLBKC
Intel® Turbo Boost TechnologyDiffers	1.0	No
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
CPU configuration (max)Known for one	2	Unknown — not stated by the source
Processor package sizeKnown for one	42.5 X 45 mm	Unknown — not stated by the source
Supported instruction setsKnown for one	SSE4.2	Unknown — not stated by the source
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	ADI 1988 A
Weight & dimensions2 differ
DepthDiffers	602 mm	579 mm
HeightDiffers	478 mm	485 mm
WeightKnown for one	Unknown — not stated by the source	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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