VideoCardz speculates the card may be launched as soon as May 28th, which is the launch day of the new SHIELD TV console, while other rumors point to a Computex launch in early June. Based on leaked performance figures from an unnamed source, the site claims the performance difference between the GTX 980 Ti and the Titan X will be minimal.
TechPowerUp on the other hand came across leaked specifications at Korean tech site HWBattle. If this leak is accurate, the GTX 980 Ti has a GM200-310 GPU with 2816 CUDA cores, which implies NVIDIA disabled 2 of the 24 SMMs (streaming multiprocessor Maxwell) on the GM200 to create the GTX 980 Ti.
Rumored specifications of the GeForce GTX 980 Ti:
ASIC: GM200-310, 28 nm 2,816 CUDA cores 176 TMUs Unknown ROP count 384-bit GDDR5 memory interface 6 GB standard memory amount