280x Vs 770 4GB [Closed]

So i want to just say before i begin this is going to be a way more complicated question then the title...

Now i am upgrading, These are my options:

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Sapphire Radeon VAPOR-X R9 280X                              329.99$

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Gigabyte GTX 770 4GB                                                     449.99$

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Now the reason i have selected these is they are the few GPU's that match my semi-rare color scheme these days:

Blue White Black (Build)

http://i.imgur.com/HlkwTto.jpg

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And now what i am looking for is something i can add another card of, in the future.

Now when considering these is the technology that is contained within them (Mantle, G-Sync etc.)

and not to forget i want the best frames i can for 3 1080p monitors [5670x1080]

Now i personally have no preference between the two even though i like to render videos and game creation.

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Usage Situation:

Video editing

Game creation with UDK and Unity

Photoshopping

2560x1440p Gaming

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Now should i take the chance of Mantle being incredible and popular among devs or should i go with the CUDA giant and all the extra debt?

GeForce GTX 770 

VS

 RADEON HD 280x

 And last of all we all want to see the banana fight just do it already!

 

Im sure others will have better info than me but if you want to use G sync you will need to buy a new monitor (which has a price premium so called)

Meaning the card line up should be:

770+GSync (worth at least 100$) vs 290x

770 vs 280x?

edit: I guess the answer should be no... Maybe a 770+Gsync vs 290

 

Yeah but the thing is i don't want to wait for AMD to give manifacturers permission to make aftermarket coolers and also this is a perfect price range because i am pretty short on cash...

For most games the 280x will be better on 3 screens (although not nearly enough). 770 is still not enough but will be a bit better in some games. How much future games will improve on amd isn't certain. I think photoshop preffers nvidia cards (better check other forums)

You need a $400 monitor for 'gsync' so you are paying +$100+$400 EXTRA! if you whant Gsync......

Bump

What video editing software do you use? Both GPUs will accelerate new versions of Photoshop.

As for gaming, the 280x scales better to higher resolutions, but neither card will be running many games on ultra on 3 monitors.