Product comparison · 2 cpus

HP Z620 Xeon E5-2620 6C 2.00GHz 15MB vs HP Z620 Xeon E5-2643 4C 3.30GHz 10MB

Key differences

Processor model
- Z620 Xeon E5-2620 6C 2.00GHz 15MB:E5-2620
- Z620 Xeon E5-2643 4C 3.30GHz 10MB:E5-2643
Processor base frequency
- Z620 Xeon E5-2620 6C 2.00GHz 15MB:2 GHz
- Z620 Xeon E5-2643 4C 3.30GHz 10MB:3.3 GHz
Processor cores
- Z620 Xeon E5-2620 6C 2.00GHz 15MB:6
- Z620 Xeon E5-2643 4C 3.30GHz 10MB:4
Processor threads
- Z620 Xeon E5-2620 6C 2.00GHz 15MB:12
- Z620 Xeon E5-2643 4C 3.30GHz 10MB:8
System bus rate
- Z620 Xeon E5-2620 6C 2.00GHz 15MB:7.2 GT/s
- Z620 Xeon E5-2643 4C 3.30GHz 10MB:8 GT/s
Processor boost frequency
- Z620 Xeon E5-2620 6C 2.00GHz 15MB:2.5 GHz
- Z620 Xeon E5-2643 4C 3.30GHz 10MB:3.5 GHz
Processor cache
- Z620 Xeon E5-2620 6C 2.00GHz 15MB:15 MB
- Z620 Xeon E5-2643 4C 3.30GHz 10MB:10 MB
Processor front side bus
- Z620 Xeon E5-2620 6C 2.00GHz 15MB:1333 MHz
- Z620 Xeon E5-2643 4C 3.30GHz 10MB:1600 MHz

Differences highlightedShow differences only

Comparison of Z620 Xeon E5-2620 6C 2.00GHz 15MB, Z620 Xeon E5-2643 4C 3.30GHz 10MB
48 specifications	A HP Z620 Xeon E5-2620 6C 2.00GHz 15MB View product	B HP Z620 Xeon E5-2643 4C 3.30GHz 10MB View product
Processor11 differ
Processor modelDiffers	E5-2620	E5-2643
Processor base frequencyDiffers	2 GHz	3.3 GHz
Processor coresDiffers	6	4
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
Processor front side busDiffers	1333 MHz	1600 MHz
Thermal Design Power (TDP)Differs	95 W	130 W
CPU multiplier (bus/core ratio)Differs	25	35
Memory bandwidth supported by processor (max)Differs	42.6 GB/s	51.2 GB/s
Memory1 differ
Memory clock speeds supported by processorDiffers	800,1066,1333 MHz	800,1066,1333,1600 MHz
Operational conditions1 differ
TcaseDiffers	77.4 °C	73 °C

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.