Product comparison · 2 pcs/workstations

Lenovo ThinkStation D20 (415521G) + NVIDIA Quadro FX 1800, DE vs Lenovo ThinkStation S20 (4105-31G), ES

102specifications compared
20differ
82identical
6known for one product only

Key differences

Processor model
- ThinkStation D20 (415521G) + NVIDIA Quadro FX 1800, DE:E5506
- ThinkStation S20 (4105-31G), ES:E5530
Processor threads
- ThinkStation D20 (415521G) + NVIDIA Quadro FX 1800, DE:4
- ThinkStation S20 (4105-31G), ES:8
Processor frequency
- ThinkStation D20 (415521G) + NVIDIA Quadro FX 1800, DE:2.13 GHz
- ThinkStation S20 (4105-31G), ES:2.4 GHz
Processor cache
- ThinkStation D20 (415521G) + NVIDIA Quadro FX 1800, DE:4 MB
- ThinkStation S20 (4105-31G), ES:8 MB
System bus rate
- ThinkStation D20 (415521G) + NVIDIA Quadro FX 1800, DE:4.8 GT/s
- ThinkStation S20 (4105-31G), ES:5.86 GT/s
CPU multiplier (bus/core ratio)
- ThinkStation D20 (415521G) + NVIDIA Quadro FX 1800, DE:16
- ThinkStation S20 (4105-31G), ES:18
Memory clock speeds supported by processor
- ThinkStation D20 (415521G) + NVIDIA Quadro FX 1800, DE:800 MHz
- ThinkStation S20 (4105-31G), ES:800,1066 MHz
Memory bandwidth supported by processor (max)
- ThinkStation D20 (415521G) + NVIDIA Quadro FX 1800, DE:19.2 GB/s
- ThinkStation S20 (4105-31G), ES:25.6 GB/s

Side by side

Differences highlightedShow differences only

Comparison of ThinkStation D20 (415521G) + NVIDIA Quadro FX 1800, DE, ThinkStation S20 (4105-31G), ES
108 specifications	A Lenovo ThinkStation D20 (415521G) + NVIDIA Quadro FX 1800, DE View product	B Lenovo ThinkStation S20 (4105-31G), ES View product
Processor8 differ
Processor modelDiffers	E5506	E5530
Processor threadsDiffers	4	8
Processor boost frequencyKnown for one	Unknown — not stated by the source	2.66 GHz
Processor frequencyDiffers	2.13 GHz	2.4 GHz
Processor cacheDiffers	4 MB	8 MB
System bus rateDiffers	4.8 GT/s	5.86 GT/s
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	16	18
Memory clock speeds supported by processorDiffers	800 MHz	800,1066 MHz
Memory bandwidth supported by processor (max)Differs	19.2 GB/s	25.6 GB/s
Memory1 differ
Maximum internal memoryDiffers	96 GB	12 GB
Storage1 differ
HDD capacityDiffers	250 GB	500 GB
HDD speedKnown for one	Unknown — not stated by the source	7200 RPM
Power1 differ
Power supplyDiffers	1060 W	625 W
Software1 differ
Compatible operating systemsDiffers	Windows XP Pro SP1a/SP2a 32/64-bit Red Hat Enterprise Linux 5.0 Windows Vista Business Windows Vista Business 64 Windows Vista Enterprise Edition 32-bit Windows Vista Enterprise Edition 64-bit Windows Vista Ultimate Windows Vista Ultimate 64-Bit	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
Processor special features4 differ
Processor ARK IDDiffers	37096	37103
Processor codeDiffers	SLBF8	SLBF7
Intel® Turbo Boost TechnologyDiffers	No	1.0
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
Weight & dimensions4 differ
WidthDiffers	210 mm	175 mm
DepthDiffers	579 mm	460 mm
HeightDiffers	485 mm	478 mm
WeightDiffers	24.9 kg	16.3 kg
Graphicsidentical
Maximum graphics card memoryKnown for one	0.796 GB	Unknown — not stated by the source
Graphics cardKnown for one	Quadro FX 1800	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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