Derza10 :
apcs13 :
If you are going to get a GTX 770, get the 2GB version, it is cheaper and performs EXACTLY the same as the 4GB version, even at high resolutions. http://alienbabeltech.com/main/gtx-770-4gb-vs-2gb-tested/3/
I would either get 2 R9 280X's, or step up to a GTX 780, and then grab another one when you have the money to do so.
Umm that might be true when using a single card where it won't be powerful enough to take advange of more than 2gb of vram... But in the case of SLI'ing 2 cards can and will in many games use over 2gb of vram and it will have a very big impact on performance... OP get the PNY 4gb gtx 770 it is pretty much your best option while still staying inside your $650 budget.
You see, that's not the reason why at all. The reason,
which I have stated time and time again and it has been proven TRUE, is that the GTX 770 has a
256-bit memory bus. This refers to the memory bandwith capabilities that the graphics card can process.
The larger the bandwith, the greater amount of memory that can be utilized. 256-bit buses are fine for 2GB graphics cards, and will function fine on 4GB or even 8GB graphics cards,
the narrow bus compared to the quantity of VRAM will vastly limit the capabilities of the memory on the GPU. That is why you can see in the benchmarks even in titles that do not require 100% of the 770's horsepower but utilize all of the 2GB, even the 4GB retains a framerate within 2FPS of the 2GB,
because the extra 2GB is not being utilized properly and inefficiently.
Also, my friend just recently got an SLI 770 2GB setup, and his performs
exactly the same (within 0-3 FPS)
as benchmarks show someone with SLI 4GB 770's would have. I have done a ton of research on this topic to ensure my own 2GB 770 purchase was better than a 4GB, so I know what I am talking about.
OP, 280X CrossFire is still probably your best bet in this case if you cannot get 2 780's.
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