Product comparison · 2 pcs/workstations

Lenovo ThinkStation D20 (415518G), DE vs Lenovo ThinkStation S20 (410527G) + L2440P 24-inch Display

102specifications compared
27differ
75identical
5known for one product only

Key differences

Processor model
- ThinkStation D20 (415518G), DE:E5520
- ThinkStation S20 (410527G) + L2440P 24-inch Display:E5502
Processor cores
- ThinkStation D20 (415518G), DE:4
- ThinkStation S20 (410527G) + L2440P 24-inch Display:2
Processor threads
- ThinkStation D20 (415518G), DE:8
- ThinkStation S20 (410527G) + L2440P 24-inch Display:2
Processor frequency
- ThinkStation D20 (415518G), DE:2.26 GHz
- ThinkStation S20 (410527G) + L2440P 24-inch Display:1.86 GHz
Processor cache
- ThinkStation D20 (415518G), DE:8 MB
- ThinkStation S20 (410527G) + L2440P 24-inch Display:4 MB
System bus rate
- ThinkStation D20 (415518G), DE:5.86 GT/s
- ThinkStation S20 (410527G) + L2440P 24-inch Display:4.8 GT/s
Tcase
- ThinkStation D20 (415518G), DE:72 °C
- ThinkStation S20 (410527G) + L2440P 24-inch Display:76 °C
CPU multiplier (bus/core ratio)
- ThinkStation D20 (415518G), DE:17
- ThinkStation S20 (410527G) + L2440P 24-inch Display:14

Side by side

Differences highlightedShow differences only

Comparison of ThinkStation D20 (415518G), DE, ThinkStation S20 (410527G) + L2440P 24-inch Display
107 specifications	A Lenovo ThinkStation D20 (415518G), DE View product	B Lenovo ThinkStation S20 (410527G) + L2440P 24-inch Display 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
Display1 differ
Display includedDiffers	No	Yes
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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