PS4's 8GB RAM was kept secret from third-party devs until console reveal

[superchunk]

CGI-Quality said:

superchunk said:
That's because it wasn't always going to be 8GB. How is that news to anyone? Sony planned on 4GB and then later decided the cost to bump to 8GB was justified due to being comparable to what was rumored to be coming in neXtBox.

Sony's 8GB was as much a reactionary change as adding motion to the original PS3 controller. However, in this case it will actually benefit devs and gamers.

When was it confirmed that the PS4 had 4GB of GDDR5? I was under the impression that it was always speculatory (just why I say people need to stop thinking their experts when rumors run wild).

It is known.

Its been a known thing since mid-2012 (or earlier) that all devs stated it had 4GB of RAM. Simply because SONY didn't comfirm PS4 yet, means nothing. If you frequented my comparison thread since it started in Nov2011, you'd have seen this clearly.

MS has pretty much always stated to have 8GB and Sony had 4GB. Then a little bit later the types were known to be DDR3 and GDDR5 respectively. Then there were a lot of discussion about which is actually better? Overall amount of speed/efficiency in graphics?

8GB took EVERYONE by surprise.