Product comparison · 2 cpus

HP Intel Xeon E5-2680 vs HP Z820 Xeon E5-2640 6 Core 2.50GHz 15MB cache 1333MHz 2nd CPU

35specifications compared
14differ
21identical
12known for one product only

Key differences

Processor model
- Intel Xeon E5-2680:E5-2680
- Z820 Xeon E5-2640 6 Core 2.50GHz 15MB cache 1333MHz 2nd CPU:E5-2640
Processor base frequency
- Intel Xeon E5-2680:2.7 GHz
- Z820 Xeon E5-2640 6 Core 2.50GHz 15MB cache 1333MHz 2nd CPU:2.5 GHz
Processor cores
- Intel Xeon E5-2680:8
- Z820 Xeon E5-2640 6 Core 2.50GHz 15MB cache 1333MHz 2nd CPU:6
Processor threads
- Intel Xeon E5-2680:16
- Z820 Xeon E5-2640 6 Core 2.50GHz 15MB cache 1333MHz 2nd CPU:12
System bus rate
- Intel Xeon E5-2680:8 GT/s
- Z820 Xeon E5-2640 6 Core 2.50GHz 15MB cache 1333MHz 2nd CPU:7.2 GT/s
Processor boost frequency
- Intel Xeon E5-2680:3.5 GHz
- Z820 Xeon E5-2640 6 Core 2.50GHz 15MB cache 1333MHz 2nd CPU:3 GHz
Processor cache
- Intel Xeon E5-2680:20 MB
- Z820 Xeon E5-2640 6 Core 2.50GHz 15MB cache 1333MHz 2nd CPU:15 MB
Processor cache type
- Intel Xeon E5-2680:L3
- Z820 Xeon E5-2640 6 Core 2.50GHz 15MB cache 1333MHz 2nd CPU:L2

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon E5-2680, Z820 Xeon E5-2640 6 Core 2.50GHz 15MB cache 1333MHz 2nd CPU
47 specifications	A HP Intel Xeon E5-2680 View product	B HP Z820 Xeon E5-2640 6 Core 2.50GHz 15MB cache 1333MHz 2nd CPU View product
Processor11 differ
Processor modelDiffers	E5-2680	E5-2640
Processor base frequencyDiffers	2.7 GHz	2.5 GHz
Processor coresDiffers	8	6
Processor threadsDiffers	16	12
System bus rateDiffers	8 GT/s	7.2 GT/s
Processor boost frequencyDiffers	3.5 GHz	3 GHz
Processor cacheDiffers	20 MB	15 MB
Processor cache typeDiffers	L3	L2
Processor front side busKnown for one	Unknown — not stated by the source	1333 MHz
Thermal Design Power (TDP)Differs	130 W	95 W
VID Voltage RangeDiffers	0.60 - 1.35 V	0.6 - 1.35 V
Bus typeKnown for one	Unknown — not stated by the source	QPI
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	30
Memory bandwidth supported by processor (max)Differs	51.2 GB/s	42.6 GB/s
Memory1 differ
Memory clock speeds supported by processorDiffers	800,1066,1333,1600 MHz	800,1066,1333 MHz
Featuresidentical
Maximum number of PCI Express lanesKnown for one	Unknown — not stated by the source	40
PCI Express slots versionKnown for one	Unknown — not stated by the source	3.0
CPU configuration (max)Known for one	Unknown — not stated by the source	2
ScalabilityKnown for one	Unknown — not stated by the source	S2S
Processor special features1 differ
Intel Flex Memory AccessKnown for one	Unknown — not stated by the source	Yes
Intel Trusted Execution TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel® AES New Instructions (Intel® AES-NI)Known for one	Unknown — not stated by the source	Yes
Intel® Turbo Boost TechnologyDiffers	2.0	Yes
Operational conditions1 differ
TcaseDiffers	85 °C	73 °C
Other featuresidentical
CompatibilityKnown for one	Unknown — not stated by the source	HP Z820
Weight & dimensionsidentical
Processor package sizeKnown for one	52.5 mm	Unknown — not stated by the source

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.

More cpu comparisons

All cpu comparisons