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What Does the ATI Numbering System Mean? - Page 2

post #11 of 14
http://www.tomshardware.com/reviews/...rd,2964-7.html
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post #12 of 14
Quote:
Originally Posted by BlueDream View Post

** if get some wrong please tell me
Ok..you got it wrong.
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post #13 of 14
Quote:
Originally Posted by BlueDream View Post
ati gpu card number mean

1st HD is high definition
2nd is 1st number like 3xxx, 4xxx, 5xxx, 6xxx is model also this number tell about direct-x card, stream processors (more big number high stream processors)
3rd is 2nd number like x3xx, x4xx, x5xx, x9xx is base memory (memory bandwidth) more big mean more memory bandwidth (e.g hd6570 with 64Gb/s and hd5830 with 128Gb/s) - depend bit and ddr card use.
4th is 3rd number like xx5x, xx7x, xx9x is clock card use, more big number mean high clock
5th is last number mean 0 is original design, other number mean rework from original design.

* not all gpu full this rules, have like some gpu already overclock by manufacture or other se model.

** if get some wrong please tell me
err what
that just confuses people

its more like

HD as High-def as you said
first number= which generation the card is from (1xxx, 3xxx or 5xxx etc)

second number= which tier the card aims for (budget, mid-range, gamer, enthusaist)(x4xx, 5 and 6 and x7xx, x8xx and x9xx)

third number= the higher the number, the better the card is in whatever tier its located at ie HD 5750 is slightly weaker than the 5770 but is located in the same mainstream/midrange tier.

4th number= usually is a 0 and doesn't have a specific meaning


and per AMD's tradition

budget= x450
budget, low profile, just below mainstream= x5xx and x6xx
mainstream= x7xx
gamer/approaching enthusiast= x8xx
dual GPU/enthusiast= x9xx or x99x

note that AMD has bumped all the cards up by 1 tier each that will confuse people if you don't keep track for (only for the 6xxx series of cards)
post #14 of 14
So why is there a 0 at all? Maybe because a 6990 sounds more impressive than 699 because the number is larger. However if AMD had never used the thousandth place to begin with, it would make 0 marketing difference.
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