Fake confirmed.
"Actually, it was a fake. This is from the Xbox One Version"
http://www.eurogamer.net/articles/digitalfoundry-2014-grand-theft-auto-5-performance-analysis
"At first blush, we're looking at a very similar release to the Xbox One version - with only one really noticeable difference, the implementation of a lens flare effect that appears either absent or dialled back on Xbox One."