Product comparison · 2 pcs/workstations

Lenovo ThinkCentre STCB2FR PC Intel® Pentium® G6950 vs Lenovo ThinkStation C20

76specifications compared
42differ
34identical
47known for one product only

Key differences

Processor family
- ThinkCentre STCB2FR PC Intel® Pentium® G6950:Intel® Pentium®
- ThinkStation C20:Intel® Xeon® 5000 Sequence
Processor model
- ThinkCentre STCB2FR PC Intel® Pentium® G6950:G6950
- ThinkStation C20:E5620
Processor cores
- ThinkCentre STCB2FR PC Intel® Pentium® G6950:2
- ThinkStation C20:4
Processor threads
- ThinkCentre STCB2FR PC Intel® Pentium® G6950:2
- ThinkStation C20:8
Processor frequency
- ThinkCentre STCB2FR PC Intel® Pentium® G6950:2.8 GHz
- ThinkStation C20:2.4 GHz
Processor cache
- ThinkCentre STCB2FR PC Intel® Pentium® G6950:3 MB
- ThinkStation C20:12 MB
Bus type
- ThinkCentre STCB2FR PC Intel® Pentium® G6950:DMI
- ThinkStation C20:QPI
System bus rate
- ThinkCentre STCB2FR PC Intel® Pentium® G6950:2.5 GT/s
- ThinkStation C20:5.86 GT/s

Side by side

Differences highlightedShow differences only

Comparison of STCB2FR, ThinkStation C20
123 specifications	A Lenovo ThinkCentre STCB2FR PC Intel® Pentium® G6950 Model STCB2FR View product	B Lenovo ThinkStation C20 View product
Processor18 differ
Processor familyDiffers	Intel® Pentium®	Intel® Xeon® 5000 Sequence
Processor modelDiffers	G6950	E5620
Processor coresDiffers	2	4
Processor threadsDiffers	2	8
Processor frequencyDiffers	2.8 GHz	2.4 GHz
Processor cacheDiffers	3 MB	12 MB
Bus typeDiffers	DMI	QPI
System bus rateDiffers	2.5 GT/s	5.86 GT/s
Processor seriesDiffers	Intel Pentium G6000 Series for Desktop	Intel Xeon 5600 Series
Processor codenameDiffers	Clarkdale	Westmere EP
Thermal Design Power (TDP)Differs	73 W	80 W
TcaseDiffers	72.6 °C	77.6 °C
Maximum number of PCI Express lanesKnown for one	16	Unknown — not stated by the source
PCI Express configurationsKnown for one	1x16, 2x8	Unknown — not stated by the source
PCI Express slots versionKnown for one	2.0	Unknown — not stated by the source
Processor socketDiffers	LGA 1156 (Socket H)	Socket B (LGA 1366)
Number of Processing Die TransistorsKnown for one	382 M	Unknown — not stated by the source
Processing Die sizeKnown for one	81 mm²	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Differs	21	18
Maximum internal memory supported by processorDiffers	16 GB	288 GB
Memory types supported by processorDiffers	DDR3 1066	DDR3 800/1066
Memory bandwidth supported by processor (max)Differs	17 GB/s	25.6 GB/s
ECC supported by processorDiffers	No	Yes
Processor boost frequencyKnown for one	Unknown — not stated by the source	2.66 GHz
Number of QPI linksKnown for one	Unknown — not stated by the source	2
Number of processors installedKnown for one	Unknown — not stated by the source	2
SteppingKnown for one	Unknown — not stated by the source	B1
Memory clock speeds supported by processorKnown for one	Unknown — not stated by the source	800,1066 MHz
Memory4 differ
Internal memoryDiffers	2 GB	4 GB
Maximum internal memoryDiffers	8 GB	24 GB
Memory layout (slots x size)Differs	1 x 2 GB	2 x 2 GB
Memory channelsDiffers	Dual-channel	Triple-channel
Memory slotsKnown for one	Unknown — not stated by the source	6x DIMM
Memory clock speedKnown for one	Unknown — not stated by the source	1333 MHz
ECCKnown for one	Unknown — not stated by the source	Yes
Storage1 differ
Total storage capacityKnown for one	250 GB	Unknown — not stated by the source
Card reader integratedDiffers	Yes	No
Floppy drive installedKnown for one	No	Unknown — not stated by the source
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
HDD capacityKnown for one	Unknown — not stated by the source	500 GB
HDD interfaceKnown for one	Unknown — not stated by the source	SATA
HDD speedKnown for one	Unknown — not stated by the source	7200 RPM
Graphicsidentical
On-board graphics cardKnown for one	Yes	Unknown — not stated by the source
On-board graphics card modelKnown for one	Integrated	Unknown — not stated by the source
Number of displays supported (on-board graphics)Known for one	2	Unknown — not stated by the source
On-board graphics card base frequencyKnown for one	533 MHz	Unknown — not stated by the source
Graphics card familyKnown for one	Intel	Unknown — not stated by the source
Performance1 differ
Product typeDiffers	PC	Workstation
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel® 5520
Networkidentical
Ethernet LANKnown for one	Yes	Unknown — not stated by the source
Wi-FiKnown for one	No	Unknown — not stated by the source
Networking featuresKnown for one	Unknown — not stated by the source	Gigabit Ethernet (10/100/1000)
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers	8	10
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	0	Unknown — not stated by the source
HDMI ports quantityKnown for one	0	Unknown — not stated by the source
VGA (D-Sub) ports quantityKnown for one	1	Unknown — not stated by the source
DVI portKnown for one	No	Unknown — not stated by the source
PS/2 ports quantityKnown for one	0	Unknown — not stated by the source
Firewire (IEEE 1394) portsKnown for one	0	Unknown — not stated by the source
Serial ports quantityKnown for one	0	Unknown — not stated by the source
Parallel ports quantityKnown for one	0	Unknown — not stated by the source
eSATA ports quantityKnown for one	Unknown — not stated by the source	1
Expansion slotsidentical
PCI Express x16 slotsKnown for one	1	Unknown — not stated by the source
Power1 differ
Power supplyDiffers	280 W	800 W
Design1 differ
Chassis typeDiffers	SFF	Tower
Product colourKnown for one	Black	Unknown — not stated by the source
Processor special features12 differ
CPU configuration (max)Differs	1	2
Graphics & IMC lithographyKnown for one	45 nm	Unknown — not stated by the source
Intel Demand Based SwitchingDiffers	No	Yes
Intel Dual Display Capable TechnologyDiffers	Yes	No
Intel FDI TechnologyDiffers	Yes	No
Intel Trusted Execution TechnologyDiffers	No	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Differs	No	Yes
Intel® AES New Instructions (Intel® AES-NI)Differs	No	Yes
Physical Address Extension (PAE)Differs	36 bit	40 bit
Processor ARK IDDiffers	43230	47925
Processor package sizeDiffers	37.5 x 37.5 mm	42.5 X 45 mm
Intel® Turbo Boost TechnologyDiffers	No	1.0
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
Processor codeKnown for one	Unknown — not stated by the source	SLBV4
Supported instruction setsKnown for one	Unknown — not stated by the source	SSE4.2
Weight & dimensions3 differ
WidthDiffers	317 mm	130 mm
DepthDiffers	355 mm	444 mm
HeightDiffers	99 mm	427 mm
WeightKnown for one	7.5 kg	Unknown — not stated by the source
Packaging contentidentical
Remote control includedKnown for one	No	Unknown — not stated by the source
Other featuresidentical
TV tuner integratedKnown for one	No	Unknown — not stated by the source
Intel segment taggingKnown for one	Enterprise, Professional	Unknown — not stated by the source
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	ADI 1988A

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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