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Dopefish

Posted 2019-06-06 9:24 PM (#1631)
Subject: AMD K6 II+ vs AMD K6 III+

Slow 8088

Posts: 2

Quick question. What's the major difference between the II+ and III+ variants of the K6? They both seem to sport onboard cache and clock for clock they seem damn near identical. Was the III+ mostly for die shrinkage purposes?

Roland

Posted 2019-06-18 11:01 AM (#1637 - in reply to #1631)
Subject: RE: AMD K6 II+ vs AMD K6 III+

>What's the major difference between the II+ and III+ variants of the K6?
To my knowledge they are identical except the K6-III+ (256kb) has double the L2 cache of the K6-2+ (128kb). They're both made on the same 180nm process.
Afaik there are also no low voltage variants of the K6-2+.

>Was the III+ mostly for die shrinkage purposes?
Could it be you're trying to ask what the difference between the K6-III and K6-III+ was?
In that case: The K6-III+ is a die shrink plus addition of extended 3DNow and PowerNow! instructions.

DXZeff

Posted 2019-06-19 7:13 PM (#1639 - in reply to #1637)
Subject: Re: AMD K6 II+ vs AMD K6 III+

TM Crusoe

Posts: 618
500

Location: Hull, UK

Somehow I missed this thread, but without checking this definitely sounds correct.

The K6-2+ does seem to run at lower voltages than the average K6-2 however, not super low, but low enough that some boards don't support them. As cool as they are a Coppermine system, or maybe even a Duron if you can find a good PSU, is probably a more practical approach if you just want a working system without much hassle.

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