Apples-to-apples configuration – Dell POWEREDGE R720 User Manual
Page 5
Power Efficiency Comparison of the Dell PowerEdge R720 and HP ProLiant DL380p Gen8 Rack Servers
5
Apples-to-apples configuration
The two systems were configured as similarly as possible, with similar hard drive, memory, and power supply
configurations. To eliminate any possible power efficiency variations between processors, tests on both
systems were run using the same pair of Intel Xeon E5-2660 processors.
Storage controllers were matched as closely as possible between the two systems, and both systems were
equipped with two platinum-rated 750 watt power supply units (PSUs).
The configuration used is summarized in Table 1.
Table 1: Detailed configuration for power efficiency comparison
Configuration
Dell PowerEdge R720
HP Proliant DL380p Gen8
Sockets/form factor
2S/2U
2S/2U
Processors
2 x Intel Xeon E5-2660
2 x Intel Xeon E5-2660
Physical/logical cores
16/32
16/32
Memory
4 x 8GB Dual Ranked
PC3L-10600R, LV RDIMMs
(Dell P/N 0P9RN2)
4 x 8GB Dual Ranked
PC3L-10600R, LV RDIMMs
(Part number 647897-B21)
Hard drives
2 x 73GB 15k 6Gb, RAID 1
(Dell P/N 0XT764)
2 x 73GB 15k 6Gb, RAID
1+0
1
(HP P/N 652597-B21)
Storage controller
Dell PERC H710P
1GB cache
HP Smart Array P420i
1GB cache
Power supply
quantity/rating
2 x 750 W
(DP/
2 x 750 W
(part number
Option Kit number 656363-
B21)
Both systems were equipped with Low Voltage Registered DIMMs (LV RDIMMs) purchased with the respective
systems and running at 1.35 volts. The systems used factory default BIOS settings except as noted in Appendix
A — Test methodology.
1
On the HP Smart Array P420i, RAID 1+0 is the only option available in a two-hard drive configuration.