Windows 7: tell me if im crazy :P -solder on gpu-

You would also need more then just the GPU to be soldered. There is a lot of additional supporting circuity and discreet devices you would have to add. Several empty pads next to the GPU pad for example.

Just to clarify, it's the graphics and not the CPU that sucks right?

AMD has better integrated graphics then Intel, but Intel's processors are a bit better than AMD's

YESH that is what i was planning if i could get a 6470m

If it ain't broke why fix it? Laptops aren't built for extreme graphics.

Yep.

There are two empty space on the left side, it's for planting memory chips to support planted GPU. GPU itself only have speed processor that need to be backed up by certain amount of dedicated memory.

Dealing with double sided PCB no soldering can be done manually.

Kevin

Can't be done outside the factory, I guarantee. Lead free solder does not flow easily. Other devices on the board would move, it has disaster written all over it

A Guy

It'd be pretty difficult. Iirc the solder is in the form of tiny beads/pins that are held in place between the mobo and chip. There's virtually no way for you to get the little beads in place for melting. Additionally the tiniest nudge (or even uneven heating) could move other components, causing the soldier on any component to flow around and short.

The main thing is getting the chip itself. These kind of chips are not released to consumers, so your best bet would be to get a board with the gpu already soldered on. Removing the gpu would be impossible, as it is incredibly difficult to get the mobo to the right temperature, and lift the gpu off perfectly so the solder won't smear. Then I highly doubt you can reuse the solder, or remove it without damaging the gpu.

I think these people underestimate the power of Kiwi ingenuity

In my opinion, if you want it that bad, go for it.
As it turns out, you may not even need to solder it. If there are already little bumps there, I dont see why you couldnt just get the chip in place and clamp it down like theres no tomorrow. As long as the contacts on the board contact in the right places on the chip.
If you suspect there may be some film over the bumps, then an idea may be to give it a quick one or two over with some 800-1200grit paper.

If it works, you got yourself some bragging rights
If it doesnt work, you should of listened to everyone else
Either way will be interesting.

...reminds me of that one time I desoldered a 20pin ATX connector, then attached a 24pin PSU adapter on the underside to hide it from view. It worked