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Any point to putting TWO RX 470 cards into a rig? (i5-6400 @ 4.2Ghz)

VirtualLarry

VirtualLarry

No Lifer
Just curious. Built a gaming rig, with an RX 460 4GB card to start with, and an i5-6400 which I OCed to 4.2Ghz+.

Now I'm selling it to a friend, and I want him to be impressed. I ordered a few RX 470 4GB cards. Originally, I was going to put one into the rig for him, and one into a rig for me.

But, would it show great improvement to put both of them into his rig? Or would that be a waste, due to diminishing returns?

I've heard that there are less CF/SLI-supporting games these days, especially with DX12 requiring the devs to do the "glue" work for multi-GPU themselves.

In which case, would it be a waste?

Should I have spent my money on a GTX 1070? (I saw in Hot Deals, they had a GTX 1080 for $419 or so, new. Sounded like a deal to me, but I had already ordered two RX 470 4GB cards, and a GTX 1050 2GB for another rig.)


Moved from AMD subforum.

AT Moderator ElFenix
 
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For some games it will scale amazingly, for others it won't scale very well. So completely up to what games they play. Going 2x card vs 1 stronger is rarely worth it though.
 
Personally, I would go with a single GTX 1070 even vs my 2 RX 480s in CF in my "all AMD rig" below.
 
You don't buy lower end cards for crossfire to compete with higher end cards.

You should go 2x high end cards for when the games may support it or if you've picked out a list of titles you intend to play over the next 2 years (my case since I'm a massive budget person. I like writing plans.... I'm weird).

2x cards isn't about value, it's about WANT.

Edit:
When I see videos like this:
https://youtu.be/v_fWw6h9aCI
I really want to get multiple high end cards. So I want 2 high end vega currently, I hope I can afford more lol.

120 fps at 5k... zomg....
 
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Its 2017 , should have gave him a card with more than 4gb of memory, a gtx1070?.
With 2, 470's in xfire the 4gb of Vram will be the limiting factor when games do scale.
 
Honestly, depending on your friends resolution, it should be fine with one. Use the other one for something else.
 
It's worth it if he's interested in mining when not gaming. If not, then there's little reason to add the second card.
 
NTMBK said:
Nope. Lots of added heat and noise for almost no performance gains. Not worth it.
Click to expand...
Well, that is a tad bit of hyperbole. Depending on the game, performance gain could be up to 90% or so, while "lots of added heat and noise" is subjective and depends on case, sensitivity, and type of 470 cooler and motherboard slot layout, as well as settings such as clocks, voltage, and fan speed.

And for mining on the side, its a non issue. Scaling cards is what you want.

That said, if he is not interested in mining, a single card solution is better, and I suspect the single 470 even would be enough.
 
Shmee said:
Well, that is a tad bit of hyperbole. Depending on the game, performance gain could be up to 90% or so, while "lots of added heat and noise" is subjective and depends on case, sensitivity, and type of 470 cooler and motherboard slot layout, as well as settings such as clocks, voltage, and fan speed.

And for mining on the side, its a non issue. Scaling cards is what you want.

That said, if he is not interested in mining, a single card solution is better, and I suspect the single 470 even would be enough.
Click to expand...

In the right game you can see big gains, but in the wrong game you can see real-world performance drop due to stuttering. Multi-GPU is a total ****-show.

And remember that you aren't just adding the noise of one extra card- you're also making the first card noisier! You're putting a big heat emitter right next to it and restricting its airflow, so its cooler will have to work even harder.
 
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