Wii's CPU significantly more powerful than the Gamecube's

I read this over on neogaf.com. Which wouldn't supprise me if the Wii pushes a lot more than what has been said in the past throughout the "rumor mill". Very interesting to say the least.

_bla_ wrote:
Someone on IGN boards found a video of Broadway being manufactured by IBM.

Link to the thread
Link to the video on IBM servers

On 0:10 we can see a wafer. It looks like it has 8 blocks with 7 CPUs each, so that would be 56 CPUs in one line. The CPUs look square. If we assume this is an 300mm wafer (anything else seems unlikely), then Broadways die is about 5mm x 5mm = 25 mm^2. (300mm/56 = 5.36mm)

The Gekko die is 43 mm^2 but manufactured with a 180nm process. If you would manufacture that design at 90nm like the Broadway it should be about 11mm^2. So if the Broadway is really 25mm^2 it should offer quite a bit of additional power over Gekko, not just a higher clockspeed. 512kb L2 cache instead of 256kb cache in the Gecko is pretty much a given imho. IIRC the L2 cache uses under 50% of the Gekko die, so even with 512kb cache we would still be around 15mm^2. So there is still room for stuff that adds more performance like additional execution units or splitting the Gekko pipeline into more steps to reach a even higher clockspeed than would you would be able to get from the shrink alone.

After looking at this evidence it seems pretty likely that Broadway is quite a bit more than just a overclocked Gekko.