Product comparison · 2 pcs/workstations

Lenovo ThinkStation D20 (415518G), ES vs Lenovo ThinkStation S20 (410527G), ES

102specifications compared
26differ
76identical
5known for one product only

Key differences

Processor model
- ThinkStation D20 (415518G), ES:E5520
- ThinkStation S20 (410527G), ES:E5502
Processor cores
- ThinkStation D20 (415518G), ES:4
- ThinkStation S20 (410527G), ES:2
Processor threads
- ThinkStation D20 (415518G), ES:8
- ThinkStation S20 (410527G), ES:2
Processor frequency
- ThinkStation D20 (415518G), ES:2.26 GHz
- ThinkStation S20 (410527G), ES:1.86 GHz
Processor cache
- ThinkStation D20 (415518G), ES:8 MB
- ThinkStation S20 (410527G), ES:4 MB
System bus rate
- ThinkStation D20 (415518G), ES:5.86 GT/s
- ThinkStation S20 (410527G), ES:4.8 GT/s
Tcase
- ThinkStation D20 (415518G), ES:72 °C
- ThinkStation S20 (410527G), ES:76 °C
CPU multiplier (bus/core ratio)
- ThinkStation D20 (415518G), ES:17
- ThinkStation S20 (410527G), ES:14

Side by side

Differences highlightedShow differences only

Comparison of ThinkStation D20 (415518G), ES, ThinkStation S20 (410527G), ES
107 specifications	A Lenovo ThinkStation D20 (415518G), ES View product	B Lenovo ThinkStation S20 (410527G), ES View product
Processor10 differ
Processor modelDiffers	E5520	E5502
Processor coresDiffers	4	2
Processor threadsDiffers	8	2
Processor boost frequencyKnown for one	2.53 GHz	Unknown — not stated by the source
Processor frequencyDiffers	2.26 GHz	1.86 GHz
Processor cacheDiffers	8 MB	4 MB
System bus rateDiffers	5.86 GT/s	4.8 GT/s
TcaseDiffers	72 °C	76 °C
Number of Processing Die TransistorsKnown for one	731 M	Unknown — not stated by the source
Processing Die sizeKnown for one	263 mm²	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Differs	17	14
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
Memory3 differ
Internal memoryDiffers	4 GB	2 GB
Maximum internal memoryDiffers	96 GB	12 GB
Memory layout (slots x size)Differs	2 x 2 GB	2 x 1 GB
Storage1 differ
HDD capacityDiffers	150 GB	250 GB
HDD speedKnown for one	Unknown — not stated by the source	7200 RPM
Graphics1 differ
Graphics cardDiffers	Quadro FX 1800	Quadro FX 380
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
Operating system installedKnown for one	Unknown — not stated by the source	Windows XP Professional
Processor special features5 differ
Physical Address Extension (PAE)Differs	40 bit	Yes
Processor ARK IDDiffers	40200	37092
Processor codeDiffers	SLBFD	SLBEZ
Intel® Turbo Boost TechnologyDiffers	1.0	No
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
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

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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