Xbox One vs PS4: ESRAM slower than GDDR5, It's Bottleneck"

[mutantsushi]

PS4 dev kits had GDDR all along, just in a smaller amount.
4GB of DDR with no ESRAM doesn't make any sense.
Even embedded GPUs on PCs use ESRAM or EDRAM if they don't have GDDR.

 

EDIT: History Lesson: http://www.redgamingtech.com/ps4-developers-were-speechless-when-8gb-gddr5-ram-was-announced/

Ahsan Rasheed [Thuway]: “In early 2012, when the PS4 had 4GB of GDDR5, a developer in the EU region claimed: “Durango tosses the Orbis in every metric.”