News for the GTX 770:
http://www.gdm.or.jp/voices/2013/0529/31643In short, GTX 770 will be built around the gk104-gpu, like the GTX680. It has a minimum of 2GB GDDR-5 and a max of 4GB. Relative to the GTX680 the clock speeds have been increased, core speed went up to 1046 from 1006 and the video memory now runs at 7010 MHz instead of 6000 MHz. Boost clock is higher too, it went from 1058 MHz in the GTX680 to 1085 Mhz in the GTX770. TDP is 35W higher and now up to 230W, which makes both a six- and an eight-pin connector required to power it.
Release price according to the Japanese site is (dependant on the version): 40,000 to 56,000 Yen. Translated into USD and EU that's $390 to $550 and €300 to €425.
Leaked performance for the GTX770:
http://videocardz.com/42112/official-nvidia-geforce-gtx-770-performanceConclusion from the article:
Quote
The GeForce GTX 770 would be 9% faster than Radeon HD 7970 GHz Edition. The difference mostly depends on the resolution. The 384-bit wide memory bus on Radeon card gives significantly higher memory throughput while playing games with more detailed textures. However, if you are 1080p gamer, then GTX 770 will do just fine.
If you happen to own the GTX 670 or 680 already, then according to our internal tests, there’s absolutely no need to upgrade your card. You can obtain very similar results with just a small adjustment of clock frequencies. Same goes for Radeon HD 7950/7970 users, if your card can easily reach 1100 MHz clock, then I would think twice before buying the GTX 770.
On the other hand, if you are a real graphics cards enthusiast, following each release, and want to give a TITAN-like cooler and GPU Boost 2.0 a try, then GTX 770 would be a very good option, especially since it will most likely cost just a half of the TITAN’s price (although I would still recommend custom solutions).
TLDL: GeForce GTX 680 in a silver disguise, also known as GTX 770, takes the mid-range segment performance crown back from HD 7970.