Product comparison · 2 cpus

HP Z620 Xeon E5-2643 4 Core 3.30GHz 10MB cache 1600MHz 2nd CPU vs HP Z820 Xeon E5-2630 6 Core 2.30GHz 15MB cache 1333MHz 2nd CPU

49specifications compared
14differ
35identical
0known for one product only

Key differences

The HP Z620 Xeon E5-2643 4 Core 3.30GHz 10MB cache 1600MHz 2nd CPU has 1 GHz more processor base frequency than the HP Z820 Xeon E5-2630 6 Core 2.30GHz 15MB cache 1333MHz 2nd CPU (3.3 GHz vs 2.3 GHz). The HP Z820 Xeon E5-2630 6 Core 2.30GHz 15MB cache 1333MHz 2nd CPU has 2 more processor cores than the HP Z620 Xeon E5-2643 4 Core 3.30GHz 10MB cache 1600MHz 2nd CPU (6 vs 4). The HP Z820 Xeon E5-2630 6 Core 2.30GHz 15MB cache 1333MHz 2nd CPU has 4 more processor threads than the HP Z620 Xeon E5-2643 4 Core 3.30GHz 10MB cache 1600MHz 2nd CPU (12 vs 8). Processor model: E5-2643 on the HP Z620 Xeon E5-2643 4 Core 3.30GHz 10MB cache 1600MHz 2nd CPU, E5-2630 on the HP Z820 Xeon E5-2630 6 Core 2.30GHz 15MB cache 1333MHz 2nd CPU. Memory clock speeds supported by processor: 800,1066,1333,1600 MHz on the HP Z620 Xeon E5-2643 4 Core 3.30GHz 10MB cache 1600MHz 2nd CPU, 800,1066,1333 MHz on the HP Z820 Xeon E5-2630 6 Core 2.30GHz 15MB cache 1333MHz 2nd CPU.

Processor model
- Z620 Xeon E5-2643 4 Core 3.30GHz 10MB cache 1600MHz 2nd CPU:E5-2643
- Z820 Xeon E5-2630 6 Core 2.30GHz 15MB cache 1333MHz 2nd CPU:E5-2630
Processor base frequency
- Z620 Xeon E5-2643 4 Core 3.30GHz 10MB cache 1600MHz 2nd CPU:3.3 GHz
- Z820 Xeon E5-2630 6 Core 2.30GHz 15MB cache 1333MHz 2nd CPU:2.3 GHz
Processor cores
- Z620 Xeon E5-2643 4 Core 3.30GHz 10MB cache 1600MHz 2nd CPU:4
- Z820 Xeon E5-2630 6 Core 2.30GHz 15MB cache 1333MHz 2nd CPU:6
Processor threads
- Z620 Xeon E5-2643 4 Core 3.30GHz 10MB cache 1600MHz 2nd CPU:8
- Z820 Xeon E5-2630 6 Core 2.30GHz 15MB cache 1333MHz 2nd CPU:12
System bus rate
- Z620 Xeon E5-2643 4 Core 3.30GHz 10MB cache 1600MHz 2nd CPU: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 E5-2643 4 Core 3.30GHz 10MB cache 1600MHz 2nd CPU:3.5 GHz
- Z820 Xeon E5-2630 6 Core 2.30GHz 15MB cache 1333MHz 2nd CPU:2.8 GHz
Processor cache
- Z620 Xeon E5-2643 4 Core 3.30GHz 10MB cache 1600MHz 2nd CPU:10 MB
- Z820 Xeon E5-2630 6 Core 2.30GHz 15MB cache 1333MHz 2nd CPU:15 MB
Processor front side bus
- Z620 Xeon E5-2643 4 Core 3.30GHz 10MB cache 1600MHz 2nd CPU:1600 MHz
- Z820 Xeon E5-2630 6 Core 2.30GHz 15MB cache 1333MHz 2nd CPU:1333 MHz

Side by side

Differences highlightedShow differences only

Comparison of Z620 Xeon E5-2643 4 Core 3.30GHz 10MB cache 1600MHz 2nd CPU, Z820 Xeon E5-2630 6 Core 2.30GHz 15MB cache 1333MHz 2nd CPU
49 specifications	A HP Z620 Xeon E5-2643 4 Core 3.30GHz 10MB cache 1600MHz 2nd CPU View product	B HP Z820 Xeon E5-2630 6 Core 2.30GHz 15MB cache 1333MHz 2nd CPU View product
Processor11 differ
Processor modelDiffers	E5-2643	E5-2630
Processor base frequencyDiffers	3.3 GHz	2.3 GHz
Processor coresDiffers	4	6
Processor threadsDiffers	8	12
System bus rateDiffers	8 GT/s	7.2 GT/s
Processor boost frequencyDiffers	3.5 GHz	2.8 GHz
Processor cacheDiffers	10 MB	15 MB
Processor front side busDiffers	1600 MHz	1333 MHz
Thermal Design Power (TDP)Differs	130 W	95 W
CPU multiplier (bus/core ratio)Differs	35	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	73 °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.

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