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FX5500 vs FX5600

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First post, by Jasin Natael

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Soo coming fresh from a few older threads, notably this one.

Re: Is the FX5600 a great option for Win98?

I am curious, supposedly the two chips are different (NV31 vs Nv34). But does anyone know or can confirm there is a difference in feature set?
It really seems to me like the 5600 is just an overclocked 5500.
Which is of course is itself just an overclocked 5200.

I've got a fairly decent 128bit BFG FX5500 that if I can can recall overclocks fairly well.
I also have a couple of crappy OEM Fx5200 somewhere, I don't have any 5600 or better FX cards.
I was just thinking of seeing if I could run a few benchmarks to see if the OC'd 5500 scores anywhere close to what I'm finding scores for a standard 5600.
Synthetics, games whatever makes sense.

Has anyone already done any of this testing? Or is it just obvious and not worth my time?

Reply 1 of 2, by Garrett W

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I believe NV34 has additional circuitry that among other things allows for more memory compression optimizations, effectively giving the chip a higher memory bandwidth.

Reply 2 of 2, by Ydee

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NV34 (FX5200) is on an older 150nm process, has less transistors and lacks color compression and perhaps Z- compression, slower RAMDAC 350MHz (vs.400 on NV31) and only 4xAA (vs. up to 6x on NV31).
It was a replacement for GF4MX, the NV31 was more of a replacement for GF4Ti I think.

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