GPU Budget Upgrade R9 380 OR 2x R9 270

Resilient

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Sep 29, 2015
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First & Foremost, this is my 1st post. Apologies if this is the incorrect spot.

Issue:
My GTX 580 just went bonkers. It is a rather old card, but a workhorse, and worked respectively well for most newer games I play. A month prior, my i5 2500K went bad as well.

Budget:
My only available budget will be $200. Maybe $230. My life situations rarely allow me to save money. If I save too much, I must spend on more important actual needs (car repairs). I will never be able to spend more that $200 ($230-ish) on any one single PC component, even though I've been an avid Gaming PC Enthusiast for years.

Questions / Solutions:

One - I'm in a position to acquire some Toxic R9 270x Graphics Cards. Used for approximately 8-9 months for LiteCoin Mining. The guy (an acquaintance) has recently just graduated Law School, passed The BAR, and no longer has a need for them. The "friend discount" would be 4 for $350. As I can't use 4, and have no need for that many, he agreed to sell me 2 for 1/2 the cost ($175 for 2).

Two - As I'm on a budget, the seemingly best Graphics Card in my price range is the R9 380 4GB. It's a newer card, with all the fresh new card perks, and runs native 1440. I could opt for the GTX 960, but it's only 128 bit, thus practically outdated already. Just buy the R9 380 and call it a day? Possibly try to fix (oven fix?) the GTX 580 and use that as a Dedicated PhysX?

Three - Buy one R9 270x at "Friend discount" ($87), and wait until Black Friday 2016 and buy a R9 380 that will likely have great saving deals! And possibly use both cards later? If possible? PhysX? Or does new DX12 API in Windows allow for different GPU's?

What is the best route/option?
And why?

CPU is FX8320. HDD 4 Tera. SSD 256 Gb. RAM 8 Gb 1600Mhz 1.6v / 1333Mhz @ 1.5v. MSI 970 Gaming MoBo.
 


I thought I remember reading several places that only 1 NVIDIA card was needed to access PhysX. Either the Primary, or Dedicated.

And doesn't DX12 allowed the usage of two different types of video cards?
 


It's a driver thing and DX12 ain't gonna change that.