Even development kits change and evolve over time:
http://kotaku.com/5977849/the-playstation-4-has-a-new-controller-fancy-user-accounts-and-impressive-specs-so-far
PS4 development kit specs in January 2013
System Memory: 8GB
Video Memory: 2.2 GB
CPU: 4x Dual-Core AMD64 "Bulldozer" (so, 8x cores)
GPU: AMD R10xx
Ports: 4x USB 3.0, 2x Ethernet
Drive: Blu-Ray
HDD: 160GB
Audio Output: HDMI & Optical, 2.0, 5.1 & 7.1 channels







