This thing about SIMD and changes in terms of FPU was actually somewhat official from IBM years ago, when Nintendo tended to be not so secretive. Even had some saved websites with stuff like that but lost it.

The basic 750 did not have SMP or SIMD, Intel by that time just had brought MMX out. It is official that some changes where made for Gekko and that SIMD was very limited AFAIR. Something like only 32 Bit operations (paired singles) via FPU. Still, that is basic SIMD. Not as specialized as MMX or 3DNow where, and even those two are ancient now.

As for Espresso, i'm just saying that changes we dont know would be possible and actually there could be enough space on the die for some additions. It's not like i dont believe in people like marcan. But everyone who knows 100% for sure has put his name under an NDA, which leaves some things in the dark.

And that goes not only for the CPU but for the GPU as well. Some devs have been talking about a shader model 5 like featureset, but that the API would need some workarounds. That would mean Latte does not have an R700 based GPU but one based on Evergreen. Funnily, the 5550 is an almost perfect fit. ROP's, TMU's, number of shader units and actually even the power consumption fits in.

There are just to much things with Wii U, we dont know 100% for sure or actually do not know at all but make an educated guess.

That said, it definitely isnt powerful.

Newly designed hardware is never dated, really, but that doesn't change the fact that the industry is currently moving away from that style of hardware and moving on to a different one(even tho that tech is dated as well, apparently). PowerPC hardware is dated in the sense that last years car model is dated. 

Guess what. Its 22nm by purpose. 250+W TDP ? who cares - it's installed into a clima controlled area anyway. 

You simply don't have any clues about whats needed to drive high thruput transaction applications. Thats why IBM and Oracle/Sun still are around and have no serious competition. Of which to speak - they will gain even more lead against "simple" x86 CPUs as they are putting software into silicon...

It doesn't matter what how old the Wii U's architecture is.  The fact is that the practice of using PowerPC is outdated to use since x86 and ARM are far easier to program and have become the standard architectures of gaming.

Far easier to program for? What? Especially arm... no, the power isa is known since many years and IBM is known for especially good compilers.

At the very least it is better known by gaming programmers, and thus easier.  All major game engines are built to work on them, making a port to Wii U annoying.

How does that factor into making it easier to program for those devices when a compiler could just simply generate instructions for multiple ISAs ?

LOL it's not just that "Simple."  I am only saying what has been repeated by numerous devs...and common sense of course.

Not common sense. Common sense is that comilers do the hard work for the programmer. The most important thing the developer can do is studying the effects of their data structures, data and program flow on the CPU caches and act accordingly.

So: as the Wii U has MORE L2 cache per Core than the XOne and PS4 Cores. Code runs on the Wii U cores more efficient. But the HD twins make it more then up with more cores and - of course - a better GPU.

BTW: take a look at the PS4 developer presentations. The small L2 cache is hurting BIG time when CPU AND GPU are accessing the GDDR...

Or the other way round: the Wii Us big L2 cache, big eDRAM and balanced CPU core / GPU enabled to deliver more than most people expected from such a configuration...

So you base your argument on informants rather than technical aspects, OK then ...