Server Hardware: Power7 Blades Versus X64 Blades

By ServerWatch Staff (Send Email)
Posted May 24, 2010

In this IT Jungle blade versus blade review, the new Power7-based Power Systems 700, 701, and 702 servers are pitted against their rough equivalents in the X64 blade server world to see which offers the best price/performance.

When it comes to price/performance issues, which blade is best?

"As the i-AIX comparison table showed (which you can jump here to see), the i premium is around 10 percent on the PS700, and rises as the machine gets more users, until you are in the 18 to 26 percent range for machines configured with 40 or 150 users. (These are the bands IBM used for user-based pricing with i5/OS. I didn't just pull 10, 20, 30, 40, 80, 150, and 300 from nowhere in these comparisons.) As you get into the heavier PS701 configurations--this is the single-socket server that can have all of its eight-cores activated and that has 16 memory slots, unlike the PS700, which is a single-socket machine with only half the cores and memory slots--the machines get close to double in price, mainly because IBM seems to think $14,995 per core is a good price for i 6.1 or i 7.1. Based on the AIX-Oracle competition, which costs half to one-third as much on the PS701 and PS702 blades (the latter being the double-wide, two-socket blade using Power7 processors and packing 16 cores in a two-fisted punch), I would say this was a bad assumption for Big Blue to make."

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