Product comparison · 2 cpus

HP Intel Xeon E5-2620 vs HP Z820 Xeon E5-2643 4C 3.30GHz 10MB

44specifications compared
13differ
31identical
10known for one product only

Key differences

The HP Z820 Xeon E5-2643 4C 3.30GHz 10MB has 1.3 GHz more processor base frequency than the HP Intel Xeon E5-2620 (3.3 GHz vs 2 GHz). The HP Intel Xeon E5-2620 has 2 more processor cores than the HP Z820 Xeon E5-2643 4C 3.30GHz 10MB (6 vs 4). The HP Intel Xeon E5-2620 has 4 more processor threads than the HP Z820 Xeon E5-2643 4C 3.30GHz 10MB (12 vs 8). Only the HP Intel Xeon E5-2620 has embedded options available. Processor model: E5-2620 on the HP Intel Xeon E5-2620, E5-2643 on the HP Z820 Xeon E5-2643 4C 3.30GHz 10MB.

Processor model
- Intel Xeon E5-2620:E5-2620
- Z820 Xeon E5-2643 4C 3.30GHz 10MB:E5-2643
Processor base frequency
- Intel Xeon E5-2620:2 GHz
- Z820 Xeon E5-2643 4C 3.30GHz 10MB:3.3 GHz
Processor cores
- Intel Xeon E5-2620:6
- Z820 Xeon E5-2643 4C 3.30GHz 10MB:4
Processor threads
- Intel Xeon E5-2620:12
- Z820 Xeon E5-2643 4C 3.30GHz 10MB:8
System bus rate
- Intel Xeon E5-2620:7.2 GT/s
- Z820 Xeon E5-2643 4C 3.30GHz 10MB:8 GT/s
Processor boost frequency
- Intel Xeon E5-2620:2.5 GHz
- Z820 Xeon E5-2643 4C 3.30GHz 10MB:3.5 GHz
Processor cache
- Intel Xeon E5-2620:15 MB
- Z820 Xeon E5-2643 4C 3.30GHz 10MB:10 MB
Thermal Design Power (TDP)
- Intel Xeon E5-2620:95 W
- Z820 Xeon E5-2643 4C 3.30GHz 10MB:130 W

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon E5-2620, Z820 Xeon E5-2643 4C 3.30GHz 10MB
54 specifications	A HP Intel Xeon E5-2620 View product	B HP Z820 Xeon E5-2643 4C 3.30GHz 10MB View product
Processor10 differ
Processor modelDiffers	E5-2620	E5-2643
Processor base frequencyDiffers	2 GHz	3.3 GHz
Processor coresDiffers	6	4
Package typeKnown for one	Box	Unknown — not stated by the source
Processor threadsDiffers	12	8
System bus rateDiffers	7.2 GT/s	8 GT/s
Processor boost frequencyDiffers	2.5 GHz	3.5 GHz
Processor cacheDiffers	15 MB	10 MB
Thermal Design Power (TDP)Differs	95 W	130 W
SteppingKnown for one	C2	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Differs	25	35
Memory bandwidth supported by processor (max)Differs	42.6 GB/s	51.2 GB/s
Processor front side busKnown for one	Unknown — not stated by the source	1600 MHz
Memory1 differ
Memory clock speeds supported by processorDiffers	800,1066,1333 MHz	800,1066,1333,1600 MHz
Features1 differ
Supported instruction setsKnown for one	AVX	Unknown — not stated by the source
CPU configuration (max)Known for one	2	Unknown — not stated by the source
Embedded options availableDiffers	Yes	No
Graphics & IMC lithographyKnown for one	32 nm	Unknown — not stated by the source
Maximum number of PCI Express lanesKnown for one	Unknown — not stated by the source	40
ScalabilityKnown for one	Unknown — not stated by the source	S2S
Operational conditions1 differ
TcaseDiffers	77.4 °C	73 °C
Weight & dimensionsidentical
Processor package sizeKnown for one	52.5 mm	Unknown — not stated by the source
Other featuresidentical
CompatibilityKnown for one	Unknown — not stated by the source	HP Z820

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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