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To: Brian Hutcheson who wrote (6144)5/14/1998 4:04:00 PM
From: Yousef  Read Replies (4) | Respond to of 6843
 
Brian,

Re: "You also conveniently leave out the fact that K6 is much more complex chip
with 8.8M transistors and K6-2 with 9.3M , this has some bearing on the clock
speed that is achievable ."

I have always stated that AMD's .25um process provides for more density
than Intel's .25um process. The problem is that AMD's process performance
is "comparable" to Intel's previous generation of IC process ... I have
always been very consistent on these points. In regards to your comments,
since AMD's K6/K6-2 has so many more FET's than Intel's PII then why do
benchmarks show the PII to outperform the K6 at the same speed ??
... Seems like AMD is not getting any benefit from additional FET's, eh Brian ??

Make It So,
Yousef



To: Brian Hutcheson who wrote (6144)5/14/1998 9:11:00 PM
From: Paul Engel  Respond to of 6843
 
Brian - Re: "K6 is much more complex chip with 8.8M transistors ...

The Intel Pentium II has 7.5 million transistors.

If you do some simple math, you should be able to show that the difference in transistor count is almost all due to the difference in L1 cache sizes.

The AMD K6 has 64K L1 cache.

The Pentium II has a 32 K L1 cache.

The difference, 32 Kilobytes, accounts for 1.572 million transistors:

8 Bits/Byte and 6 transistors/bit.

2^15*8*6 = 1.572 million transistors.

8.8 Miilion - 1.572 Million = 7.23 Million

Thus, the Pentium II and K6 have nearly identical transistor counts if you exclude the additional 32K L1 cache in the K6.

Paul