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Dell PowerEdge R820 compared to the HP ProLiant DL580 G7 using DVD Store 2

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Dell PowerEdge R820 compared to the HP ProLiant DL580 G7 using DVD Store 2

This blog written by Don Hoffman, an engineer on the Solutions Performance Analysis team

In a recent blog, I showed how much you can consolidate your datacenter with the Dell PowerEdge R820 versus older generation Dell servers.  This is very useful data, but many of you may be wondering how the PowerEdge R820 compares against our competitor’s high end offerings.

In this post I highlight a recent study in which we compare the Dell PowerEdge R820 against the HP ProLiant DL580 G7.  Density is judged based on the total performance and number of VMs you can get in a 4U space as well as the total rack space of comparable configurations using DVD Store, a complete online e-commerce test application, with a back-end database component, a Web application layer, and driver programs.

Performance per 4 rack unit space (4U)                                      

The chart below shows the number of Orders per Minute (OPM) you can achieve with each server in this study in a 4U space.  It is clearly shown that two 2U PowerEdge R820’s can process a much higher number of OPM than a single 4U ProLiant DL580 G7.  The PowerEdge R820 scores 148% higher than the ProLiant DL580 G7 with E7-8837 processor and 80% higher than the ProLiant DL580 G7 with E7-4870 processors.

Dell PowerEdge R820
Intel Xeon
E5-4650

HP ProLiant DL580 G7
Intel Xeon
E7-8837

HP ProLiant DL580 G7
Intel Xeon E7-4870

1,294,420

521,835

717,384

PowerEdge R820 Advantage

148%

80%

 

Virtual Machines per 4U space

With this increased performance density the PowerEdge R820 also can support a higher number of VMs per 4U compared to the ProLiant DL580 G7.  In 4U of server rack space you can run 220% more virtual machines with the PowerEdge R820 compared to the DL580 G7 with E7-8837 processors and 60% more virtual machines when compared to the DL580 G7 with E7-4870 processors.  The figure below shows this virtual machine density comparison.

Dell PowerEdge R820
Intel Xeon E5-4650

HP ProLiant DL580 G7
Intel Xeon E7-8837

HP ProLiant DL580 G7
Intel Xeon E7-4870

64

20

40

PowerEdge R820 Advantage

220%

60%

 

Total data center footprint

Based on raw performance numbers ten PowerEdge R820 servers in 20U rack space is equal to nine ProLiant DL580 G7 servers with Xeon E7-4870 processors in 36U rack space and thirteen ProLiant DL580 G7 servers with Xeon E7-8837 processors in 52U of rack space. The figure below shows what this will look like in your datacenter.  It is clear that the PowerEdge R820 offers a much more dense solution while still providing top of class performance.

Additional Highlights

Analysis of total idle and active power draw, power efficiency (performance per watt), Total Cost of Ownership, and Return on Investment are also covered in the full white paper.  Here are some select highlights of these sections.

  • The PowerEdge R820 uses up to 179% less power at system idle compared to the ProLiant DL580 G7
  • The PowerEdge R820 provides up to 42% better performance per watt compared to the ProLiant DL580 G7
  • The PowerEdge R820 has up to 216% lower annual costs for rack space compared to the ProLiant DL580 G7
  • The PowerEdge R820 provides a full return on investment in just 11 months when compared to the ProLiant DL580 G7

Conclusion

For any customer interested in saving space and consolidating their datacenter the Dell PowerEdge R820 is the perfect solution for your business.  The PowerEdge R820 offers superior power efficiency, density, and total cost of ownership compared to the ProLiant DL580 G7.  Please see here for the full disclosure of this study on Dell TechCenter.

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  • Comparing E7 with E5 not Dell with HP.