HP Z620 Xeon E5-2640 6 Core 2.50GHz 15MB cache 1333MHz 2nd CPU vs HP Z620 Xeon E5-2660 8 Core 2.20GHz 20MB cache 1600MHz 2nd CPU

Key differences

The HP Z620 Xeon E5-2640 6 Core 2.50GHz 15MB cache 1333MHz 2nd CPU has 0.3 GHz more processor base frequency than the HP Z620 Xeon E5-2660 8 Core 2.20GHz 20MB cache 1600MHz 2nd CPU (2.5 GHz vs 2.2 GHz). The HP Z620 Xeon E5-2660 8 Core 2.20GHz 20MB cache 1600MHz 2nd CPU has 2 more processor cores than the HP Z620 Xeon E5-2640 6 Core 2.50GHz 15MB cache 1333MHz 2nd CPU (8 vs 6). The HP Z620 Xeon E5-2660 8 Core 2.20GHz 20MB cache 1600MHz 2nd CPU has 4 more processor threads than the HP Z620 Xeon E5-2640 6 Core 2.50GHz 15MB cache 1333MHz 2nd CPU (16 vs 12). Processor model: E5-2640 on the HP Z620 Xeon E5-2640 6 Core 2.50GHz 15MB cache 1333MHz 2nd CPU, E5-2660 on the HP Z620 Xeon E5-2660 8 Core 2.20GHz 20MB cache 1600MHz 2nd CPU. Memory clock speeds supported by processor: 800,1066,1333 MHz on the HP Z620 Xeon E5-2640 6 Core 2.50GHz 15MB cache 1333MHz 2nd CPU, 800,1066,1333,1600 MHz on the HP Z620 Xeon E5-2660 8 Core 2.20GHz 20MB cache 1600MHz 2nd CPU.

• Processor model
  • Z620 Xeon E5-2640 6 Core 2.50GHz 15MB cache 1333MHz 2nd CPU:E5-2640
  • Z620 Xeon E5-2660 8 Core 2.20GHz 20MB cache 1600MHz 2nd CPU:E5-2660
• Processor base frequency
  • Z620 Xeon E5-2640 6 Core 2.50GHz 15MB cache 1333MHz 2nd CPU:2.5 GHz
  • Z620 Xeon E5-2660 8 Core 2.20GHz 20MB cache 1600MHz 2nd CPU:2.2 GHz
• Processor cores
  • Z620 Xeon E5-2640 6 Core 2.50GHz 15MB cache 1333MHz 2nd CPU:6
  • Z620 Xeon E5-2660 8 Core 2.20GHz 20MB cache 1600MHz 2nd CPU:8
• Processor threads
  • Z620 Xeon E5-2640 6 Core 2.50GHz 15MB cache 1333MHz 2nd CPU:12
  • Z620 Xeon E5-2660 8 Core 2.20GHz 20MB cache 1600MHz 2nd CPU:16
• System bus rate
  • Z620 Xeon E5-2640 6 Core 2.50GHz 15MB cache 1333MHz 2nd CPU:7.2 GT/s
  • Z620 Xeon E5-2660 8 Core 2.20GHz 20MB cache 1600MHz 2nd CPU:8 GT/s
• Processor cache
  • Z620 Xeon E5-2640 6 Core 2.50GHz 15MB cache 1333MHz 2nd CPU:15 MB
  • Z620 Xeon E5-2660 8 Core 2.20GHz 20MB cache 1600MHz 2nd CPU:20 MB
• Processor front side bus
  • Z620 Xeon E5-2640 6 Core 2.50GHz 15MB cache 1333MHz 2nd CPU:1333 MHz
  • Z620 Xeon E5-2660 8 Core 2.20GHz 20MB cache 1600MHz 2nd CPU:1600 MHz
• Memory bandwidth supported by processor (max)
  • Z620 Xeon E5-2640 6 Core 2.50GHz 15MB cache 1333MHz 2nd CPU:42.6 GB/s
  • Z620 Xeon E5-2660 8 Core 2.20GHz 20MB cache 1600MHz 2nd CPU:51.2 GB/s