Soleron on 12 January 2014
The GPU is absolutely definitely more powerful than the 360/PS3 GPUs based on the Chipworks die shot and analysis.
http://www.neogaf.com/forum/showthread.php?t=511628
"More shaders" is similar to saying "PS4 is 1.6GHz, PS3 is 3.2GHz, omg PS3 twice as fast".