Product comparison · 2 pcs/workstations

Lenovo ThinkStation D20 vs Lenovo ThinkStation D20 (415518G), DE

Key differences

Processor model
- ThinkStation D20:X5550
- ThinkStation D20 (415518G), DE:E5520
Processor boost frequency
- ThinkStation D20:3.06 GHz
- ThinkStation D20 (415518G), DE:2.53 GHz
Processor frequency
- ThinkStation D20:2.66 GHz
- ThinkStation D20 (415518G), DE:2.26 GHz
System bus rate
- ThinkStation D20:6.4 GT/s
- ThinkStation D20 (415518G), DE:5.86 GT/s
Thermal Design Power (TDP)
- ThinkStation D20:95 W
- ThinkStation D20 (415518G), DE:80 W
Tcase
- ThinkStation D20:75 °C
- ThinkStation D20 (415518G), DE:72 °C
CPU multiplier (bus/core ratio)
- ThinkStation D20:20
- ThinkStation D20 (415518G), DE:17
Memory clock speeds supported by processor
- ThinkStation D20:800,1066,1333 MHz
- ThinkStation D20 (415518G), DE:800,1066 MHz

Differences highlightedShow differences only

Comparison of ThinkStation D20, ThinkStation D20 (415518G), DE
108 specifications	A Lenovo ThinkStation D20 View product	B Lenovo ThinkStation D20 (415518G), DE View product
Processor9 differ
Processor modelDiffers	X5550	E5520
Processor boost frequencyDiffers	3.06 GHz	2.53 GHz
Processor frequencyDiffers	2.66 GHz	2.26 GHz
System bus rateDiffers	6.4 GT/s	5.86 GT/s
Thermal Design Power (TDP)Differs	95 W	80 W
TcaseDiffers	75 °C	72 °C
CPU multiplier (bus/core ratio)Differs	20	17
Memory clock speeds supported by processorDiffers	800,1066,1333 MHz	800,1066 MHz
Memory bandwidth supported by processor (max)Differs	32 GB/s	25.6 GB/s
Memory4 differ
Internal memoryDiffers	8 GB	4 GB
Maximum internal memoryDiffers	192 GB	96 GB
Memory layout (slots x size)Differs	4 x 2 GB	2 x 2 GB
Memory clock speedDiffers	1333 MHz	1066 MHz
Storage1 differ
HDD capacityDiffers	1.5 TB	150 GB
Graphics1 differ
Graphics cardDiffers	Quadro FX 4800	Quadro FX 1800
Ports & interfacesidentical
I/O portsKnown for one	1 eSATA, 5 SATA Gen 2, 5 SAS	Unknown — not stated by the source
Power1 differ
Power requirementsDiffers	100-240V@50-60Hz	100-240V; 50/60Hz
Designidentical
External drive baysKnown for one	3.5" x 1, 5.25" x 3	Unknown — not stated by the source
Internal drive baysKnown for one	3.5" x 5	Unknown — not stated by the source
Processor special features3 differ
Physical Address Extension (PAE)Differs	Yes	40 bit
Processor ARK IDDiffers	37106	40200
Processor codeDiffers	SLBF5	SLBFD

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.