Product comparison · 2 cpus

HP Z620 Xeon E5-2665 8C 2.40GHz 20MB vs HP Z820 Xeon E5-2630 6 Core 2.30GHz 15MB cache 1333MHz 2nd CPU

Key differences

Processor model
- Z620 Xeon E5-2665 8C 2.40GHz 20MB:E5-2665
- Z820 Xeon E5-2630 6 Core 2.30GHz 15MB cache 1333MHz 2nd CPU:E5-2630
Processor base frequency
- Z620 Xeon E5-2665 8C 2.40GHz 20MB:2.4 GHz
- Z820 Xeon E5-2630 6 Core 2.30GHz 15MB cache 1333MHz 2nd CPU:2.3 GHz
Processor cores
- Z620 Xeon E5-2665 8C 2.40GHz 20MB:8
- Z820 Xeon E5-2630 6 Core 2.30GHz 15MB cache 1333MHz 2nd CPU:6
Processor threads
- Z620 Xeon E5-2665 8C 2.40GHz 20MB:16
- Z820 Xeon E5-2630 6 Core 2.30GHz 15MB cache 1333MHz 2nd CPU:12
System bus rate
- Z620 Xeon E5-2665 8C 2.40GHz 20MB:8 GT/s
- Z820 Xeon E5-2630 6 Core 2.30GHz 15MB cache 1333MHz 2nd CPU:7.2 GT/s
Processor boost frequency
- Z620 Xeon E5-2665 8C 2.40GHz 20MB:3.1 GHz
- Z820 Xeon E5-2630 6 Core 2.30GHz 15MB cache 1333MHz 2nd CPU:2.8 GHz
Processor cache
- Z620 Xeon E5-2665 8C 2.40GHz 20MB:20 MB
- Z820 Xeon E5-2630 6 Core 2.30GHz 15MB cache 1333MHz 2nd CPU:15 MB
Processor cache type
- Z620 Xeon E5-2665 8C 2.40GHz 20MB:L3
- Z820 Xeon E5-2630 6 Core 2.30GHz 15MB cache 1333MHz 2nd CPU:L2

Differences highlightedShow differences only

Comparison of Z620 Xeon E5-2665 8C 2.40GHz 20MB, Z820 Xeon E5-2630 6 Core 2.30GHz 15MB cache 1333MHz 2nd CPU
49 specifications	A HP Z620 Xeon E5-2665 8C 2.40GHz 20MB View product	B HP Z820 Xeon E5-2630 6 Core 2.30GHz 15MB cache 1333MHz 2nd CPU View product
Processor12 differ
Processor modelDiffers	E5-2665	E5-2630
Processor base frequencyDiffers	2.4 GHz	2.3 GHz
Processor coresDiffers	8	6
Processor threadsDiffers	16	12
System bus rateDiffers	8 GT/s	7.2 GT/s
Processor boost frequencyDiffers	3.1 GHz	2.8 GHz
Processor cacheDiffers	20 MB	15 MB
Processor cache typeDiffers	L3	L2
Processor front side busDiffers	1600 MHz	1333 MHz
Thermal Design Power (TDP)Differs	115 W	95 W
CPU multiplier (bus/core ratio)Differs	31	28
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
Operational conditions1 differ
TcaseDiffers	81.8 °C	77.4 °C
Other features1 differ
CompatibilityDiffers	HP Z620	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.