HD 7970 vs R9 280X - Worth the $70 price difference? (render/gaming rig multi-monitor)

Archean_0-1354672

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7970 http://www.newegg.com/Product/Produ...x-_-DesktopGraphicsVideoCards-_-14202008-L09C

2 slots
4 ports mismatch
cheap(ish)
supports 4k

VS

R9 280X http://www.newegg.com/Product/Product.aspx?Item=N82E16814121805

3 slots
6 ports (4 are same)
shiny and new (faster?)
supports 2k (maybe 4k?)

price difference is $70.00 USD

The cards will be used in a render PC and games will be played.
1-4 monitors will be used (usually 3 minimum)

Is the price difference worth it, or should i go for the cheaper card?
I like that the ASUS has 4 same video output types instead of mismatch, but i like the price of the 7970.

Recommendations and thoughts?
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to be used with

Asus M5A99FX PRO R2.0 ATX AM3+ Motherboard
AMD FX-8350 4.0GHz 8-Core Processor
16GB 1600Mhz RAM
 
Solution
Then pick the R9 280X. More like software limitation than hardware. The R9 removes that with allowing direct access to its API.
Yes; the HD 7970 is a great card. The main selling point is: how much do you care about the three free games provided with the purchase of the HD 7970? If you do, then buy the HD 7970 because it is a very good card (only about 5% weaker) and you get three games worth $100 for free.
 

Archean_0-1354672

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I don't care about the free games--I already own them all T_T
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is the OpenGL and DirectX a hardware limitation or is that something that can be upgraded?

 

Archean_0-1354672

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awesome thanks : D

Do you think it might be cheaper near black friday, or should i just grab it?
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so would that eat up 3 PCI slots on my mobo, or am i misunderstanding how PCI slots work?
 

Archean_0-1354672

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just curious--why does the card take up 2 slots and not 3? mobo or card "feature"?
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found this on ASUS's site
"To have the best cooling performance, ASUS MATRIX-R9280X-P-3GD5 extends the fansink to 2.5 slots."
http://www.asus.com/us/Graphics_Cards/MATRIXR9280XP3GD5/

 

Archean_0-1354672

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found some more reference images--not many around as its new : \
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thanks for your help so far : )