Figure 5: blade solution power consumption at idle, Blade solution power consumption at idle – Dell POWEREDGE M915 User Manual
Page 14

Power Efficiency Comparison of the Dell PowerEdge M915 and HP ProLiant BL680c G7 Blade Solutions
14
SPECpower_ssj2008 also includes a measurement of power while the servers are at 0% target utilization (Active
Idle).
Despite having twice as many blade servers, the Dell solution consumes 799 W
7
less power
at idle than
the HP blade solution, as seen in Figure 5.
Figure 5: Blade Solution Power Consumption at Idle
7
The 8-node M915 consumed only 1,492W at the Active Idle Point, compared to 2,291W for the 4-node BL680c G7. The 8-node M915
achieved 14,982,232 ssj_ops@100% target load and a SPECpower_ssj2008 result of 2,425 overall ssj_ops/Watt, compared to the 4-node
BL680c G7 with 7,996,829 ssj_ops@100% target load and a SPECpower_ssj2008 result of 1,260 overall ssj_ops/Watt.
1,492
2,291
0
500
1,000
1,500
2,000
2,500
3,000
SPECpower_ssj2008
(power draw @ Active Idle, lower is better)
Watts
Blade Solution Power Consumption at Idle
(Lower is better)
8 x Dell PowerEdge M915
4 x HP ProLiant BL680c G7