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 manufacturer	Intel	Intel
Processor family	Intel® Xeon® 5000 Sequence	Intel® Xeon® 5000 Sequence
Processor modelDiffers	E5640	E5507
Processor cores	4	4
Processor threadsDiffers	8	4
Processor frequencyDiffers	2.66 GHz	2.26 GHz
Processor cacheDiffers	12 MB	4 MB
Processor cache type	Smart Cache	Smart Cache
Bus type	QPI	QPI
FSB Parity	No	No
System bus rateDiffers	5.86 GT/s	4.8 GT/s
Processor lithographyDiffers	32 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Xeon 5600 Series	Intel Xeon 5500 Series
Processor codenameDiffers	Westmere EP	Nehalem EP
Thermal Design Power (TDP)	80 W	80 W
TcaseDiffers	77.6 °C	76 °C
Number of QPI links	2	2
Processor socket	Socket B (LGA 1366)	Socket B (LGA 1366)
SteppingDiffers	B1	D0
Maximum internal memory supported by processorDiffers	288 GB	144 GB
Memory types supported by processor	DDR3-SDRAM	DDR3-SDRAM
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
ECC supported by processor	Yes	Yes
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
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory layout (slots x size)Known for one	Unknown — not stated by the source	3 x 1 GB
Memory clock speed	1066 MHz	1066 MHz
Memory channels	Triple-channel	Triple-channel
ECCKnown for one	Yes	Unknown — not stated by the source
Storage1 differ
Optical drive type	DVD-RW	DVD-RW
HDD capacity	500 GB	500 GB
HDD interfaceDiffers	SATA	SATA II
Card reader integrated	Yes	Yes
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
Performanceidentical
Product type	Workstation	Workstation
Optical driveidentical
CD read speedKnown for one	Unknown — not stated by the source	40x
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers	8	10
Ethernet LAN (RJ-45) ports	2	2
Headphone outputs	1	1
Line-inKnown for one	Unknown — not stated by the source	Yes
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	0	0
PS/2 ports quantityDiffers	2	0
Firewire (IEEE 1394) portsKnown for one	Unknown — not stated by the source	2
eSATA ports quantity	1	1
Serial ports quantity	1	1
Parallel ports quantity	0	0
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 slots	2	2
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
Chassis type	Tower	Tower
Product colourKnown for one	Black	Unknown — not stated by the source
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
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
Displayidentical
Display included	No	No
Processor special features6 differ
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based Switching	Yes	Yes
Intel Dual Display Capable Technology	No	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	No	No
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
Intel Rapid Storage Technology	No	No
Intel Trusted Execution TechnologyDiffers	Yes	No
Intel VT-x with Extended Page Tables (EPT)	Yes	Yes
Intel Virtualization Technology (VT-x)	Yes	Yes
Intel Virtualization Technology for Directed I/O (VT-d)	Yes	Yes
Intel® AES New Instructions (Intel® AES-NI)Differs	Yes	No
Intel® Clear Video HD Technology (Intel® CVT HD)	No	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® InTru™ 3D Technology	No	No
Intel® Insider™	No	No
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Intel® Wireless Display (Intel® WiDi)	No	No
Physical Address Extension (PAE)Differs	40 bit	Yes
Processor ARK IDDiffers	47923	37100
Processor codeKnown for one	Unknown — not stated by the source	SLBKC
Thermal Monitoring Technologies	No	No
Intel® Turbo Boost TechnologyDiffers	1.0	No
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Intel® Quick Sync Video Technology	No	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Anti-Theft Technology (Intel® AT)	No	No
Conflict-Free processor	No	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
Width	210 mm	210 mm
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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