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Intel Xeon E3-1220v3 versus E5-2620v3 Print
June 2015

The 2 CPU models named in the title above were chosen because the first one is the base CPU for Compucon Workgroup Server SX-E3 and the second one is for SX-E5. Therefore this article explains how to choose SX-E3 or SX-E5 for our business customer's applications.

Back in 2012, this part of the Technology Park discussed the differences between E5-2600 (which Compucon Platinum DX servers used) and E5-2400 (which other brands of servers used for pricing appeal).  In brief, 2400 is the junior counterpart of 2600.  However, E3-1200 and E5-2600 seem to be miles apart and why did Compucon choose these 2 Xeon options for Workgroup Server?

Indeed, there are E5-1600 for single socket and E5-2400 dual socket junior in between.  Since WGS SX-E5 is still based on single socket Xeon, why did Compucon settle on a high end dual socket capable E5-2600 Xeon?

Please see this short description of the different features between the chosen Xeons.

WGS-E3 (Xeon E3-1220v3): 4 cores/4 threads, 8MB L3 cache, 4 slots for DDR3 memory on the motherboard, dual channel memory transfer, 20 PCIe lane controller within the CPU.

WGS-E5 (Xeon E5-2620v3): 6 cores/12 threads, 15MB L3 cache, 8 slots for DDR4 memory on the motherboard, quad channel memory transfer, 28 PCIe lane controller within the CPU, and more PCIe slots on the motherboard.  Note that some higher E5-2600 CPU models provide 40 PCIe lanes. 

We can see that the differences are quite obvious and these 2 WGS models are not really in the same league.  We offer meaningful choices to our customers.  Fitness for Purpose.  Cost of Ownership.