GPU Upgrade

Here is my situation.
I recently bought some new parts.
My current system is:

Intel i5-3570 @ 4x3,4 GHz
8 GB RAM
GTX 660
Win7 64 Bit

So,i wanted to upgrade my GPU and thought about a GTX 770 or a 780.
Would that be a bad decision or not?Or maybe a GTX 680/690?

780 would be the best option in my mind.
Best performance for price and definitely future proof.

I'd double the 690, depending on budget.

If you're not financially restricted then get a 780, it will last you quite a few years.

Depends on money you have.

Radeon is also 9% slower but 32% cheaper

440$ - Radeon 7970
650$ - 780

The radeon isn't as good but its only losing really in Texal and pixel rates, so if you have multiple or Eyefinity than don't grab the radeon.

Specs/Diffrence

Model Geforce GTX 780 Radeon HD 7970
Manufacturer nVidia ATi
Year May 2013 January 2012
Code Name GK110 Tahiti XT
Fab Process 28 nm 28 nm
Bus PCIe 3.0 x16 PCIe 3.0 x16
Memory 3072 MB 3072 MB
Core Speed 863 MHz 925 MHz
Shader Speed 863 MHz (N/A) MHz
Memory Speed 1502 MHz (6008 MHz effective) 1375 MHz (5500 MHz effective)
Unified Shaders 2304 2048
Texture Mapping Units 192 128
Render Output Units 48 32
Bus Type GDDR5 GDDR5
Bus Width 384-bit 384-bit
DirectX Version DirectX 11.0 DirectX 11.1
OpenGL Version OpenGL 4.3 OpenGL 4.2
Power (Max TDP) 250 watts 250 watts
Shader Model 5.0 5.0
Bandwidth 288384 MB/sec 264000 MB/sec
Texel Rate 165696 Mtexels/sec 118400 Mtexels/sec
Pixel Rate 41424 Mpixels/sec 29600 Mpixels/sec

Go with 7970 u wont mistake SAPPHIRE Vapor-X 100351-6GVXSR Radeon HD 7970 GHz Edition 6GB 384-bit GDDR5 PCI Express 3.0 x16 HDCP Ready CrossFireX Support Video Card - Newegg.comⓘ 6 GB.

---------- Post added at 11:00 PM ---------- Previous post was at 11:00 PM ----------

Or go with PowerColor AX7990 6GBD5-2DHJ Radeon HD 7990 6GB 384-bit x2 GDDR5 PCI Express 3.0 x16 HDCP Ready CrossFireX Support Video Card - Newegg.comⓘ BEAST!

GPU Upgrade

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