Ati HD4890: 1 Sapphire Vap-X + 1 HIS, It's possible?

sentinelvdx · Oct 22, 2009

Hi,

I have a HIS HD4890 and I want to make a crossfire, but I'm not sure if doing it with another HIS or If I can do it with the Sapphire vapor-x model.
This question started because my vendor has in stock the sapphire, and if i want a HIS he has a big delay to have it.

Please let me know if it's compatible or there's going to be any trouble using cards from differente manufacturers.

thanks,

Bobnova · Oct 22, 2009

Shouldn't be an issue.
Lotta people crossfire/SLI different brands of the same card without issue.

Porvalsh · Oct 22, 2009

Just makes sure the core and mem run at the same frequency.

sentinelvdx · Oct 22, 2009

Thanks Guys, I'll check the clock and mem speed too.
If not i'll overclock the one that is below.

If I'm not wrong the one he has on stock is the Vapor-X turbo, so I'll have to OC the HIS one.

prime81 · Oct 23, 2009

Yes it will work just fine, you will be limited as far as frequencies on the memory/core to the card that has the lowest frequencies. Someone has already stated this above, but yes this is a definite yes due to the fact that CrossfireX will also work with say a 4890/4870 as well a 4870/4850. Myself personally I have seen the 4870/4850 in my own rig and was pleased with it's performance.

mgoode · Oct 23, 2009

Yea at one point I had 4 x 4890's running from 4 different vendors with clock speeds all over the place. Synced em up and no problems.

sentinelvdx · Oct 23, 2009

mgoode said:
Yea at one point I had 4 x 4890's running from 4 different vendors with clock speeds all over the place. Synced em up and no problems.

Yes, I have OC my HIS card in order to have it with same clock when I install on monday the Sapphire one.

I'll give an update once I installed.

Thanks,

rezy · Oct 23, 2009

There mustn't be any problem, enjoy your cf setup

jobrien2001 · Oct 24, 2009

Quick question... why not sell the 4890 and pick up a 5870 instead of doing 4890CF?

rezy · Oct 24, 2009

jobrien2001 said:
Quick question... why not sell the 4890 and pick up a 5870 instead of doing 4890CF?

Definitly better idea, yeah with 2x4890 you will (maybe)have better perfomanse but remeber no matter how many 4890's you put in you wont have dx11

sentinelvdx · Oct 26, 2009

jobrien2001 said:
Quick question... why not sell the 4890 and pick up a 5870 instead of doing 4890CF?

I have no problem with that, but the main issue there is that here the importing taxes are too high that makes the card too expensive with no sense.

sentinelvdx · Oct 27, 2009

Bobnova said:
Shouldn't be an issue.
Lotta people crossfire/SLI different brands of the same card without issue.

Although im not going to have any issue, what you suggest? using same brand or it's the same?

Porvalsh · Oct 27, 2009

4890 CF beats 1 5870, but you lose directx11 support. CF 4890s is a killer setup right now considering you can pick 2 up for about 250 bucks used.

Ati HD4890: 1 Sapphire Vap-X + 1 HIS, It's possible?

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