Product comparison · 2 cpus

Dell Xeon E5540 vs Dell Xeon E5620

Key differences

Differences highlightedShow differences only

Comparison of Xeon E5540, Xeon E5620
52 specifications	A Dell Xeon E5540 View product	B Dell Xeon E5620 View product
Processor8 differ
Processor modelDiffers	E5540	E5620
Processor base frequencyDiffers	2.53 GHz	2.4 GHz
Processor lithographyDiffers	45 nm	32 nm
Processor boost frequencyDiffers	2.8 GHz	2.66 GHz
Processor cacheDiffers	8 MB	12 MB
L3 cache speedKnown for one	2.53 GHz	Unknown — not stated by the source
VID Voltage RangeDiffers	0.75 - 1.35 V	0.750 - 1.350 V
SteppingDiffers	D0	B1
CPU multiplier (bus/core ratio)Differs	19	18
Package typeKnown for one	Unknown — not stated by the source	Tray
Compatible chipsetsKnown for one	Unknown — not stated by the source	Intel® 5520
Memory1 differ
Maximum internal memory supported by processorDiffers	144 GB	288 GB
Graphicsidentical
On-board graphics cardKnown for one	No	Unknown — not stated by the source
Featuresidentical
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
Embedded options availableKnown for one	Yes	Unknown — not stated by the source
Thermal Monitoring TechnologiesKnown for one	Unknown — not stated by the source	No
Supported instruction setsKnown for one	Unknown — not stated by the source	SSE4.2
Processor special features2 differ
Intel Trusted Execution TechnologyDiffers	No	Yes
Intel® Turbo Boost TechnologyDiffers	Yes	2.0
Intel® AES New Instructions (Intel® AES-NI)Known for one	Unknown — not stated by the source	Yes
Operational conditions1 differ
TcaseDiffers	76 °C	77.6 °C

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.