Cheap 4-Way SLI/CrossfireX compatible GPU's

slimechunker00 · Nov 9, 2015

I'm interested if there are some cheap Graphics Cards (around 150-180€/$), that I can 4-Way SLI/CrossfireX (I already checked the 950, but nVidia says it's only 2-Way SLI compatible).

Any ideas?

blazorthon · Nov 9, 2015

With the Radeon 5000/6000 series, there were some Radeon 5770/6770 models that had two Crossfire dongles instead of the usual one and this allowed for 4-way Crossfire. IDK if the current low end cards that use Crossfire over PCIe can do 4-way and even if they can, should PCIe become a bottleneck with so much going on. Either way, it isn't going to perform as well as getting a single high end card because scaling is poor with four GPUs even without a PCIe bottleneck. Going up to three GPUs is often alright, but a fourth almost never scales well, if at all.

Are you interested in this just for the novelty of it?

migronesien · Nov 9, 2015

Is this just for show or for actuall gaming/editing? Because 4 low end cards in 4-Way SLI/CF (which scales absolutely horrible) will be slower than a single high end card. 2 way scales pretty good, 3 way is still "okay" if you got money to blow and 4 way is often even worse than 3 way.
But as long as there are stronger single cards, you don't go SLI/CF. Only SLI/CF high end cards.

There isn't any reason to waste your money on that. Only if this is like a show PC in an entry hall or something like that.

slimechunker00 · Nov 9, 2015

blazorthon :

Yes, I just thought "Hey, that would be cool"

slimechunker00 · Nov 9, 2015

migronesien :

It's for gaming.

migronesien · Nov 9, 2015

slimechunker00 :

Then forget your idea and get a single high end card for the same money.

You can still SLI/CF it like next year, when they become cheaper or you need more power.
I wouldn't SLI anything below the 970, because it's just better to get the faster single card.

2-way is a gain upto 95%
3-way around 50%
4-way sometimes even gives you LESS fps

So single high end for the moment. Maybe SLI next year.

slimechunker00 · Nov 9, 2015

migronesien :

slimechunker00 :

Then forget your idea and get a single high end card for the same money.

You can still SLI/CF it like next year, when they become cheaper or you need more power.
I wouldn't SLI anything below the 970, because it's just better to get the faster single card.

2-way is a gain upto 95%
3-way around 50%
4-way sometimes even gives you LESS fps

So single high end for the moment. Maybe SLI next year.

So could you recommend a 2-Way SLI setup (should not cost much more then two 970's)

migronesien · Nov 9, 2015

slimechunker00 :

migronesien :

So could you recommend a 2-Way SLI setup (should not cost much more then two 970's)

Either that or just a single card for the moment. Even a single 970 will max out anything at 1080p. I guess you play at 1080p? Gaming at 1440p/4k isn't that common and requires quite a bit more power.
So if you play on 1080p then i'd get a 970 and maybe add a second one next year, if you need more power to still keep anything at max with new games coming out. They should also be cheaper next year.

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Cheap 4-Way SLI/CrossfireX compatible GPU's

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