AW: [RC5] Athlon XP/MP even faster? K5 faster than K6!

Jin-Wei Tioh jinwei at tm.net.my
Fri Oct 19 19:15:42 EDT 2001


At 10:26 PM 10/18/2001 +0200, you wrote:
>Did you know that the k5 is faster than the k6 (not in general but regarding
>rc5 only)?
>
>133MHz are faster than 180MHz:
>AMD K5 133MHz 326,625 keys/sec
>AMD K6 180MHz 324,639 keys/sec
>
>Both at 200MHz:
>AMD K5 200MHz 434,804 keys/sec: ~2174 keys/sec/MHz
>AMD K6 200MHz 330,745 keys/sec: ~1653 keys/sec/MHz
>
>---SNIP---
>
>With greetings from Germany
>Horst

I believe this is because the K5 has a more powerful / effective (ie. 
higher IPC)
integer unit than the K6. That was generally the K5's strength over the K6.
IIRC the K5 was based on NexGen's work, while the K6 was using the Chomper
core.

--
JW
www.BlueSmoke.net

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