Product comparison · 2 cpus

Dell Xeon E5-2665 vs HP Z820 Xeon E5-2650v2 2.6GHz 1866MHz 8 Core 2nd CPU

45specifications compared
14differ
31identical
12known for one product only

Key differences

Processor family
- Xeon E5-2665:Intel® Xeon® E5 Family
- Z820 Xeon E5-2650v2 2.6GHz 1866MHz 8 Core 2nd CPU:Intel® Xeon® E5 V2 Family
Processor model
- Xeon E5-2665:E5-2665
- Z820 Xeon E5-2650v2 2.6GHz 1866MHz 8 Core 2nd CPU:E5-2650V2
Processor base frequency
- Xeon E5-2665:2.4 GHz
- Z820 Xeon E5-2650v2 2.6GHz 1866MHz 8 Core 2nd CPU:2.6 GHz
Processor lithography
- Xeon E5-2665:32 nm
- Z820 Xeon E5-2650v2 2.6GHz 1866MHz 8 Core 2nd CPU:22 nm
Processor boost frequency
- Xeon E5-2665:3.1 GHz
- Z820 Xeon E5-2650v2 2.6GHz 1866MHz 8 Core 2nd CPU:3.4 GHz
Thermal Design Power (TDP)
- Xeon E5-2665:115 W
- Z820 Xeon E5-2650v2 2.6GHz 1866MHz 8 Core 2nd CPU:95 W
VID Voltage Range
- Xeon E5-2665:0.60 - 1.35 V
- Z820 Xeon E5-2650v2 2.6GHz 1866MHz 8 Core 2nd CPU:0.6 - 1.30 V
Memory bandwidth supported by processor (max)
- Xeon E5-2665:51.2 GB/s
- Z820 Xeon E5-2650v2 2.6GHz 1866MHz 8 Core 2nd CPU:59.7 GB/s

Side by side

Differences highlightedShow differences only

Comparison of Xeon E5-2665, Z820 Xeon E5-2650v2 2.6GHz 1866MHz 8 Core 2nd CPU
57 specifications	A Dell Xeon E5-2665 View product	B HP Z820 Xeon E5-2650v2 2.6GHz 1866MHz 8 Core 2nd CPU View product
Processor8 differ
Processor familyDiffers	Intel® Xeon® E5 Family	Intel® Xeon® E5 V2 Family
Processor modelDiffers	E5-2665	E5-2650V2
Processor base frequencyDiffers	2.4 GHz	2.6 GHz
Processor lithographyDiffers	32 nm	22 nm
Processor boost frequencyDiffers	3.1 GHz	3.4 GHz
L3 cache speedKnown for one	2.4 GHz	Unknown — not stated by the source
Thermal Design Power (TDP)Differs	115 W	95 W
VID Voltage RangeDiffers	0.60 - 1.35 V	0.6 - 1.30 V
SteppingKnown for one	C2	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Known for one	31	Unknown — not stated by the source
Memory bandwidth supported by processor (max)Differs	51.2 GB/s	59.7 GB/s
Memory2 differ
Maximum internal memory supported by processorDiffers	384 GB	768 GB
Memory clock speeds supported by processorDiffers	800,1066,1333,1600 MHz	800,1066,1333,1600,1866 MHz
Features1 differ
CPU configuration (max)Known for one	2	Unknown — not stated by the source
ScalabilityDiffers	S2S	2S
Physical Address Extension (PAE)Known for one	Unknown — not stated by the source	Yes
Processor special features2 differ
Intel Fast Memory AccessKnown for one	Yes	Unknown — not stated by the source
Intel Flex Memory AccessDiffers	Yes	No
Intel® Turbo Boost TechnologyDiffers	2.0	Yes
Intel Enhanced Halt StateKnown for one	Yes	Unknown — not stated by the source
Intel® Identity Protection Technology (Intel® IPT)Known for one	Unknown — not stated by the source	No
Intel® Secure KeyKnown for one	Unknown — not stated by the source	Yes
Operational conditions1 differ
TcaseDiffers	81.8 °C	75 °C
Weight & dimensionsidentical
Processor package sizeKnown for one	52.5 mm	Unknown — not stated by the source
Other featuresidentical
CompatibilityKnown for one	DELL PowerEdge T620	Unknown — not stated by the source
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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