Dell POWEREDGE M915 - Manual (Page 10)

Power Efficiency Comparison of the Dell PowerEdge M915 and HP ProLiant BL680c G7 Blade Solutions
10
models, which were not available at the time the solutions were purchased, so standard voltage 2GB RDIMMs
from HP were used for the HP blade solution.
Results
The Dell blade solution with PowerEdge M915 blades delivered 87% higher raw performance than the HP
solution with ProLiant BL680c G7 blades. The Dell solution also has 92% higher power efficiency, and even with
8 blades (compared to 4 blades for the HP solution) consumes 35% less power at idle.
Figure 1: Blade Solution Comparison (Normalized Values)
1.00 1.00 1.00
0.52 0.53
1.54
Power Efficiency
(higher is better)
Raw Performance
(higher is better)
Power Draw @ Idle
(lower is better)
Normalized Blade Solution Comparison
Power Efficiency, Performance and Power Draw
8 x Dell PowerEdge M915 4 x HP ProLiant BL680c G7