Product comparison · 2 pcs/workstations

Lenovo ThinkStation C20 Intel® Xeon® 5000 Sequence E5507 vs Lenovo ThinkStation E20, FR

78specifications compared
33differ
45identical
38known for one product only

Key differences

The Lenovo ThinkStation C20 Intel® Xeon® 5000 Sequence E5507 has 2 more processor cores than the Lenovo ThinkStation E20, FR (4 vs 2). The Lenovo ThinkStation E20, FR has 1.2 GHz more processor frequency than the Lenovo ThinkStation C20 Intel® Xeon® 5000 Sequence E5507 (3.46 GHz vs 2.26 GHz). The Lenovo ThinkStation C20 Intel® Xeon® 5000 Sequence E5507 has 2.3 GT/s more system bus rate than the Lenovo ThinkStation E20, FR (4.8 GT/s vs 2.5 GT/s). Only the Lenovo ThinkStation C20 Intel® Xeon® 5000 Sequence E5507 has ECC supported by processor. Only the Lenovo ThinkStation C20 Intel® Xeon® 5000 Sequence E5507 has Intel Demand Based Switching.

Processor family
- ThinkStation C20 Intel® Xeon® 5000 Sequence E5507:Intel® Xeon® 5000 Sequence
- ThinkStation E20, FR:Intel® Core™ i5
Processor model
- ThinkStation C20 Intel® Xeon® 5000 Sequence E5507:E5507
- ThinkStation E20, FR:i5-670
Processor cores
- ThinkStation C20 Intel® Xeon® 5000 Sequence E5507:4
- ThinkStation E20, FR:2
Processor frequency
- ThinkStation C20 Intel® Xeon® 5000 Sequence E5507:2.26 GHz
- ThinkStation E20, FR:3.46 GHz
Bus type
- ThinkStation C20 Intel® Xeon® 5000 Sequence E5507:QPI
- ThinkStation E20, FR:DMI
System bus rate
- ThinkStation C20 Intel® Xeon® 5000 Sequence E5507:4.8 GT/s
- ThinkStation E20, FR:2.5 GT/s
Processor lithography
- ThinkStation C20 Intel® Xeon® 5000 Sequence E5507:45 nm
- ThinkStation E20, FR:32 nm
Processor codename
- ThinkStation C20 Intel® Xeon® 5000 Sequence E5507:Nehalem EP
- ThinkStation E20, FR:Clarkdale

Side by side

Differences highlightedShow differences only

Comparison of C20, ThinkStation E20, FR
116 specifications	A Lenovo ThinkStation C20 Intel® Xeon® 5000 Sequence E5507 Model C20 View product	B Lenovo ThinkStation E20, FR View product
Processor16 differ
Processor familyDiffers	Intel® Xeon® 5000 Sequence	Intel® Core™ i5
Processor generationKnown for one	Unknown — not stated by the source	Intel® Core™ i5
Processor modelDiffers	E5507	i5-670
Processor coresDiffers	4	2
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.73 GHz
Processor frequencyDiffers	2.26 GHz	3.46 GHz
Bus typeDiffers	QPI	DMI
System bus rateDiffers	4.8 GT/s	2.5 GT/s
Processor lithographyDiffers	45 nm	32 nm
Processor seriesDiffers	Intel Xeon 5500 Series	Intel Core i5-600 Desktop Series
Processor codenameDiffers	Nehalem EP	Clarkdale
Thermal Design Power (TDP)Differs	80 W	73 W
TcaseDiffers	76 °C	72.6 °C
Maximum number of PCI Express lanesKnown for one	Unknown — not stated by the source	16
PCI Express configurationsKnown for one	Unknown — not stated by the source	1x16, 2x8
PCI Express slots versionKnown for one	Unknown — not stated by the source	2.0
Processor socketDiffers	Socket B (LGA 1366)	LGA 1156 (Socket H)
Number of Processing Die TransistorsKnown for one	Unknown — not stated by the source	382 M
Processing Die sizeKnown for one	Unknown — not stated by the source	81 mm²
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	26
Maximum internal memory supported by processorDiffers	144 GB	16 GB
Memory types supported by processorDiffers	DDR3-SDRAM	DDR3 1066/1333
Memory bandwidth supported by processor (max)Differs	19.2 GB/s	21 GB/s
ECC supported by processorDiffers	Yes	No
Number of QPI linksKnown for one	2	Unknown — not stated by the source
Number of processors installedKnown for one	2	Unknown — not stated by the source
SteppingKnown for one	D0	Unknown — not stated by the source
Memory clock speeds supported by processorKnown for one	800 MHz	Unknown — not stated by the source
Memory1 differ
Memory channelsDiffers	Triple-channel	Dual-channel
Maximum internal memoryKnown for one	96 GB	Unknown — not stated by the source
Memory layout (slots x size)Known for one	2 x 2 GB	Unknown — not stated by the source
Storageidentical
Drive device, buffer sizeKnown for one	Unknown — not stated by the source	32 MB
Drive device, transfer rateKnown for one	Unknown — not stated by the source	3000 MB/s
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
Graphicsidentical
On-board graphics cardKnown for one	Unknown — not stated by the source	Yes
On-board graphics card familyKnown for one	Unknown — not stated by the source	Intel® HD Graphics
On-board graphics card modelKnown for one	Unknown — not stated by the source	Intel® HD Graphics
Number of displays supported (on-board graphics)Known for one	Unknown — not stated by the source	2
On-board graphics card base frequencyKnown for one	Unknown — not stated by the source	733 MHz
Performanceidentical
Motherboard form factorKnown for one	Unknown — not stated by the source	ATX
Motherboard chipsetKnown for one	Intel® 5520	Unknown — not stated by the source
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers	10	8
PS/2 ports quantityKnown for one	Unknown — not stated by the source	2
Firewire (IEEE 1394) portsKnown for one	Unknown — not stated by the source	0
Serial ports quantityKnown for one	Unknown — not stated by the source	1
Parallel ports quantityKnown for one	Unknown — not stated by the source	0
Power1 differ
Power supplyDiffers	800 W	280 W
Designidentical
Rack mountingKnown for one	Yes	Unknown — not stated by the source
Processor special features10 differ
CPU configuration (max)Known for one	Unknown — not stated by the source	1
Graphics & IMC lithographyKnown for one	Unknown — not stated by the source	45 nm
Intel Demand Based SwitchingDiffers	Yes	No
Intel Dual Display Capable TechnologyDiffers	No	Yes
Intel FDI TechnologyDiffers	No	Yes
Intel Trusted Execution TechnologyDiffers	No	Yes
Intel® AES New Instructions (Intel® AES-NI)Differs	No	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	No	Yes
Physical Address Extension (PAE)Differs	Yes	36 bit
Processor ARK IDDiffers	37100	43556
Processor package sizeKnown for one	Unknown — not stated by the source	37.5 x 37.5 mm
Supported instruction setsKnown for one	Unknown — not stated by the source	SSE4.2
Intel® Turbo Boost TechnologyDiffers	No	1.0
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Processor codeKnown for one	SLBKC	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	130 mm	174.8 mm
DepthDiffers	444 mm	430.8 mm
HeightDiffers	427 mm	425 mm
WeightDiffers	18.5 kg	11.2 kg
Packaging contentidentical
Mouse includedKnown for one	Unknown — not stated by the source	Yes
Networkidentical
Networking featuresKnown for one	Gigabit Ethernet (10/100/1000)	Unknown — not stated by the source
Audioidentical
Audio systemKnown for one	ADI 1988A	Unknown — not stated by the source

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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