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To: kapkan4u who wrote (48407)7/19/2001 4:07:13 PM
From: Dan3Read Replies (5) | Respond to of 275872
 
A quick observation:

It's often a little difficult to see why P4 and A4 MHZ aren't quite the same thing.

Take a look at:
anandtech.com

Where you can see that the Athlon 4 1.2GHZ completes the database server benchmark 17% faster than the P4 Xeon 1.7GHZ chip (12.2 vs. 14.8)

and anandtech.com

Where you can see that Athlon 4 performs 3D rendering 12% faster (14.42 vs. 16.44)

or anandtech.com

Where you can see that even on Sysmark 2001, a benchmark optimized for P4 by Bapco, the Athlon 4 1.2GHZ scores 160, while the Xeon 1.7GHZ scores 159.

These numbers make perfect sense when you consider that Athlon4 can execute up to 9 operations per clock while P4 is limited to 6 operations per clock.

So a 1.7GHZ P4 can be referred to as a 10.2GHZ ops (Billion Operations Per Second or GHZ ops)

While a 1.2GHZ Athlon 4 can be referred to as a 10.8GHZ ops processor.

If you compare:

Athlon 4 1.2 -- 10.8 GHZ ops
Pentium 4 1.7 - 10.2 GHZ ops

The performance numbers make perfect sense.

I'd like to see AMD start marketing their processors by GHZ ops, instead of raw clock speed.

Who would want to buy a 1.7GHZ (10.2GHZ ops) P4 when they could get a 10.8GHZ ops Athlon 4 for no additional cost?