Product comparison · 2 pcs/workstations

Lenovo ThinkStation D20 (415521G), BE vs Lenovo ThinkStation S20 (410527G) + L2440P 24-inch Display

Key differences

Processor model
- ThinkStation D20 (415521G), BE:E5506
- ThinkStation S20 (410527G) + L2440P 24-inch Display:E5502
Processor cores
- ThinkStation D20 (415521G), BE:4
- ThinkStation S20 (410527G) + L2440P 24-inch Display:2
Processor threads
- ThinkStation D20 (415521G), BE:4
- ThinkStation S20 (410527G) + L2440P 24-inch Display:2
Processor frequency
- ThinkStation D20 (415521G), BE:2.13 GHz
- ThinkStation S20 (410527G) + L2440P 24-inch Display:1.86 GHz
CPU multiplier (bus/core ratio)
- ThinkStation D20 (415521G), BE:16
- ThinkStation S20 (410527G) + L2440P 24-inch Display:14
Internal memory
- ThinkStation D20 (415521G), BE:4 GB
- ThinkStation S20 (410527G) + L2440P 24-inch Display:2 GB
Maximum internal memory
- ThinkStation D20 (415521G), BE:96 GB
- ThinkStation S20 (410527G) + L2440P 24-inch Display:12 GB
Memory layout (slots x size)
- ThinkStation D20 (415521G), BE:2 x 2 GB
- ThinkStation S20 (410527G) + L2440P 24-inch Display:2 x 1 GB

Differences highlightedShow differences only

Comparison of ThinkStation D20 (415521G), BE, ThinkStation S20 (410527G) + L2440P 24-inch Display
104 specifications	A Lenovo ThinkStation D20 (415521G), BE View product	B Lenovo ThinkStation S20 (410527G) + L2440P 24-inch Display View product
Processor5 differ
Processor modelDiffers	E5506	E5502
Processor coresDiffers	4	2
Processor threadsDiffers	4	2
Processor frequencyDiffers	2.13 GHz	1.86 GHz
CPU multiplier (bus/core ratio)Differs	16	14
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
Storageidentical
HDD speedKnown for one	Unknown — not stated by the source	7200 RPM
Graphicsidentical
Graphics cardKnown for one	Unknown — not stated by the source	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
Display1 differ
Display includedDiffers	No	Yes
Processor special features2 differ
Processor ARK IDDiffers	37096	37092
Processor codeDiffers	SLBF8	SLBEZ
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.