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55nm mobile GPU's from AMD

post #1 of 5
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Quote:
As astounding as it may sound, AMD are looking beyond the "success" of the HD 2000 desktop series and throwing some ideas onto the mobile table.
AMD's latest roadmap reveals details about their M88, M86 and M82 mobile GPU's. There are a wide variety of features amongst the chips including DirectX 10.1, UVD (and they're sure of it this time), Crossifre, PCIe 2.0 and DisplayPort compatibility. The high-end contender, dubbed M88, supports all of the above except for DisplayPort. The M86 is the second chip in the world to support both DisplayPort and HDMI. And finally the M82 lacks UVD. Every GPU mentioned will be 55nm.
It's only a matter of time until the make or break season against Nvidia's NB9E and other mobile alternatives commences.
Source : http://www.pureoverclock.com/story1219.html
    
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post #2 of 5
sounds good they should use this in there desktop GPUs to lower heat and then crank up the clock speed.
    
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post #3 of 5
Weird... Who developed the 55nm processor? I thought it was just 65nm and 45nm for processors.... Is 55nm just an optical shrink then?
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post #4 of 5
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Originally Posted by DuckieHo View Post
Weird... Who developed the 55nm processor? I thought it was just 65nm and 45nm for processors.... Is 55nm just an optical shrink then?
different design i think.
post #5 of 5
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Originally Posted by DuckieHo View Post
Weird... Who developed the 55nm processor? I thought it was just 65nm and 45nm for processors.... Is 55nm just an optical shrink then?
TSMC does half nodes for their manufacturing processes. They are able to do a complete die shrink without the need to redesign the gates and architecture. They get more dies, lower power consumption and heat dissaption, much like full nodes, execpt that there is no redesign needed so everyone wins.

Here's an old article about their half nodes:

Quote:
TSMC offers 80 nanometer "half-node" process


ATI and NVIDIA will both benefit from TSMC's “half-node†80 nanometer manufacturing process. The 80 nanometer process is a linear, lithographic shrink, so 90 nanometer libraries and design rules can be easily applied. This is also much quicker and less problem-prone than what would be seen in a switch from 90 to 65 nanometers.

The move is also expected to decrease cost-per-wafer by 20% or more so its's no surprise that both leading graphics card companies have thrown their full support behind the move.

NVIDIA has used TSMC's half-node process in the past. If you may recall, NVIDIA's original GeForce 256 was built on a half-node .22 micron process and its current GeForce 7800 GTX uses the half-node .11 micron process.
    
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