Product comparison · 2 pcs/workstations

Lenovo ThinkStation C20X vs Lenovo ThinkStation S20 TOPSELLER

72specifications compared
33differ
39identical
6known for one product only

Key differences

The Lenovo ThinkStation S20 TOPSELLER has 0.4 GHz more processor boost frequency than the Lenovo ThinkStation C20X (3.06 GHz vs 2.66 GHz). The Lenovo ThinkStation S20 TOPSELLER has 0.4 GHz more processor frequency than the Lenovo ThinkStation C20X (2.8 GHz vs 2.4 GHz). The Lenovo ThinkStation C20X has 4 MB more processor cache than the Lenovo ThinkStation S20 TOPSELLER (12 MB vs 8 MB). Only the Lenovo ThinkStation C20X has embedded options available. Only the Lenovo ThinkStation C20X has Intel Trusted Execution Technology.

Processor family
- ThinkStation C20X:Intel® Xeon® 5000 Sequence
- ThinkStation S20 TOPSELLER:Intel® Xeon® 3000 Sequence
Processor model
- ThinkStation C20X:E5620
- ThinkStation S20 TOPSELLER:W3530
Processor boost frequency
- ThinkStation C20X:2.66 GHz
- ThinkStation S20 TOPSELLER:3.06 GHz
Processor frequency
- ThinkStation C20X:2.4 GHz
- ThinkStation S20 TOPSELLER:2.8 GHz
Processor cache
- ThinkStation C20X:12 MB
- ThinkStation S20 TOPSELLER:8 MB
System bus rate
- ThinkStation C20X:5.86 GT/s
- ThinkStation S20 TOPSELLER:4.8 GT/s
Processor lithography
- ThinkStation C20X:32 nm
- ThinkStation S20 TOPSELLER:45 nm
Processor series
- ThinkStation C20X:Intel Xeon 5600 Series
- ThinkStation S20 TOPSELLER:Intel Xeon 3500 Series

Side by side

Differences highlightedShow differences only

Comparison of ThinkStation C20X, ThinkStation S20 TOPSELLER
78 specifications	A Lenovo ThinkStation C20X View product	B Lenovo ThinkStation S20 TOPSELLER View product
Processor16 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Xeon® 5000 Sequence	Intel® Xeon® 3000 Sequence
Processor modelDiffers	E5620	W3530
Processor cores	4	4
Processor threads	8	8
Processor boost frequencyDiffers	2.66 GHz	3.06 GHz
Processor frequencyDiffers	2.4 GHz	2.8 GHz
Processor cacheDiffers	12 MB	8 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 3500 Series
Processor codenameDiffers	Westmere EP	Bloomfield
Thermal Design Power (TDP)Differs	80 W	130 W
TcaseDiffers	77.6 °C	67.9 °C
Number of QPI linksDiffers	2	1
Processor socket	Socket B (LGA 1366)	Socket B (LGA 1366)
Number of Processing Die TransistorsKnown for one	Unknown — not stated by the source	731 M
Processing Die sizeKnown for one	Unknown — not stated by the source	263 mm²
CPU multiplier (bus/core ratio)Differs	18	21
SteppingDiffers	B1	D0
Maximum internal memory supported by processorDiffers	288 GB	24 GB
Memory types supported by processorDiffers	DDR3 800/1066	DDR3-SDRAM
Memory clock speeds supported by processor	800,1066 MHz	800,1066 MHz
Memory bandwidth supported by processor (max)	25.6 GB/s	25.6 GB/s
ECC supported by processor	Yes	Yes
Memory2 differ
Internal memoryDiffers	4 GB	6 GB
Memory clock speedDiffers	1333 MHz	1066 MHz
Memory channels	Triple-channel	Triple-channel
Storage1 differ
HDD capacityDiffers	300 GB	500 GB
HDD interfaceKnown for one	Unknown — not stated by the source	SATA
Graphicsidentical
Maximum graphics card memoryKnown for one	Unknown — not stated by the source	0.256 GB
Graphics card familyKnown for one	Unknown — not stated by the source	NVIDIA
Power1 differ
Power supplyDiffers	800 W	625 W
Software1 differ
Operating system installedDiffers	Windows 7 Professional	Windows XP Professional
Processor special features9 differ
CPU configuration (max)Differs	2	1
Embedded options availableDiffers	Yes	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)Differs	Yes	No
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	36 bit
Processor ARK IDDiffers	47925	41313
Processor codeDiffers	SLBV4	SLBKR
Processor package sizeDiffers	42.5 X 45 mm	42.5 x 45.0 mm
Supported instruction sets	SSE4.2	SSE4.2
Thermal Monitoring Technologies	No	No
Intel® Turbo Boost Technology	1.0	1.0
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
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
Weight & dimensions3 differ
WidthDiffers	130 mm	175 mm
DepthDiffers	444 mm	460 mm
HeightDiffers	427 mm	478 mm

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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