Product comparison · 2 cpus

Dell Xeon E5620 vs Dell Xeon X5550

41specifications compared
16differ
25identical
11known for one product only

Key differences

Processor model
- Xeon E5620:E5620
- Xeon X5550:X5550
Processor base frequency
- Xeon E5620:2.4 GHz
- Xeon X5550:2.66 GHz
Processor lithography
- Xeon E5620:32 nm
- Xeon X5550:45 nm
System bus rate
- Xeon E5620:5.86 GT/s
- Xeon X5550:6.4 GT/s
Processor boost frequency
- Xeon E5620:2.66 GHz
- Xeon X5550:3.06 GHz
Processor cache
- Xeon E5620:12 MB
- Xeon X5550:8 MB
Thermal Design Power (TDP)
- Xeon E5620:80 W
- Xeon X5550:95 W
VID Voltage Range
- Xeon E5620:0.750 - 1.350 V
- Xeon X5550:0.75 - 1.35 V

Side by side

Differences highlightedShow differences only

Comparison of Xeon E5620, Xeon X5550
52 specifications	A Dell Xeon E5620 View product	B Dell Xeon X5550 View product
Processor11 differ
Processor modelDiffers	E5620	X5550
Processor base frequencyDiffers	2.4 GHz	2.66 GHz
Processor lithographyDiffers	32 nm	45 nm
Package typeKnown for one	Tray	Unknown — not stated by the source
System bus rateDiffers	5.86 GT/s	6.4 GT/s
Processor boost frequencyDiffers	2.66 GHz	3.06 GHz
Processor cacheDiffers	12 MB	8 MB
Thermal Design Power (TDP)Differs	80 W	95 W
VID Voltage RangeDiffers	0.750 - 1.350 V	0.75 - 1.35 V
Compatible chipsetsKnown for one	Intel® 5520	Unknown — not stated by the source
SteppingDiffers	B1	D0
CPU multiplier (bus/core ratio)Differs	18	20
Memory bandwidth supported by processor (max)Differs	25.6 GB/s	32 GB/s
L3 cache speedKnown for one	Unknown — not stated by the source	2.66 GHz
Memory2 differ
Maximum internal memory supported by processorDiffers	288 GB	144 GB
Memory clock speeds supported by processorDiffers	800,1066 MHz	800,1066,1333 MHz
Featuresidentical
Thermal Monitoring TechnologiesKnown for one	No	Unknown — not stated by the source
Supported instruction setsKnown for one	SSE4.2	Unknown — not stated by the source
CPU configuration (max)Known for one	2	Unknown — not stated by the source
Number of Processing Die TransistorsKnown for one	Unknown — not stated by the source	731 M
Processing Die sizeKnown for one	Unknown — not stated by the source	263 mm²
Embedded options availableKnown for one	Unknown — not stated by the source	No
Processor special features2 differ
Intel Trusted Execution TechnologyDiffers	Yes	No
Intel® AES New Instructions (Intel® AES-NI)Known for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost TechnologyDiffers	2.0	Yes
Operational conditions1 differ
TcaseDiffers	77.6 °C	75 °C
Graphicsidentical
On-board graphics cardKnown for one	Unknown — not stated by the source	No

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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