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AMD Kabini for PS4/XB720
Topic Started: Feb 2 2013, 11:48 AM (332 Views)
DeadFire87
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I start off with what I believe PS4 has under its hood.

AMD Kabini APUs! Offered in dual core/quad core parts. Who said Sony was going with more off the shelve parts?

Most rumors point to PS4 with dual core pairs of Jaguar cores. Who is on the high end of Jaguar cores? Kabini. It offers GCN comparable to AMD 7700 series. So take AMD 7750(921.6) and just multiply that times two for me. Do it.

It equals the same number everyone sees everywhere. 1843 Gigaflops!

So the real question is how many Dual core Kabini APUs exist in the PS4? If 8 cores should we expect 3686 Gigaflops? Not likely, but probably a thought of Sonys with 4K around the corner.

Possibly 2 AMD dual core Kabini APUs in the Liverpool SoC and one Quad core Kabini APU outside of it with 921.6 gigaflops. Then again that would break the dual pairs of cores. Well if you take rumors and splash them together this makes perfect sense. Liverpool undoubtedly is locked in with 1843 Gigaflops. + say one or two Dual core AMD Kabini APUs outside of Liverpool maybe? Rumors say 8 cores now. So 3680 Gigaflops possible? With that dynamic context switching patent Sony filled it mentioned 2 or more GPUs being utilized as well as different architectures. So it still fits. Likely Liverpool features GPGPU coding one would think as well with the other 2 APU GPUs just utilizing regular GPU coding that we all know.

Likely each Kabini's APU's CU could be set for special tasks to make the context switching and use of each APU to its maximum effect.

Total power draw of PS4 only 30-60W while sitting still? Kabini itself is said to run at 15W idle. Not bad?

There are actually 2 versions of AMD 7750 GPU. One with DDR 3 and one with GDDR5.
DDR 3 version runs at 819.2 Gigaflops
GDDR5 version runs at 921.6 Gigaflops

What I believe to be PS4 spec.

AMD Liverpool = 2 dual core Kabini GDDR5 APUs (921.6 Gigaflops each) = 1843 Gigaflops
SOC 2 = 2 dual core AMD Kabini GDDR5 APUs(921.6 Gigaflops each) = 1843

PS4 = 3686 Gigaflops or 3.7 Tflops!

What I believe to be Xbox 720 spec.

SOC1 2 dual core AMD Kabini DDR 3 APUs(819.2 Gigaflops each) = 1638
SOC2 2 dual core AMD Kabini DDR3 APUs(819.2 Gigaflops each) = 1638

Xbox 720 - 3277 Gigaflops or 3.3 Tflops!

Well with reports everywhere some conflicting it all makes a little more sense when you add it up. :P

Edited by DeadFire87, Feb 2 2013, 11:58 AM.
DeadFire87/SwiftFire87/DeadlyFire - Currently playing Counter-Strike Source.

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