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Why would Intel leave out the GT3 graphics on desktop-based Haswell CPU???

post #1 of 7
Thread Starter 
What is the purpose of giving desktop users the choice between a lousy gpu or no gpu at all, while notebook users get catered to with top of the line GPU. kookoo.gif

When a desktop gamer wants the best possible on-chip solution, they get the short straw. Maybe Intel wants users to go with the upcoming AMD Vischera which won't put notebook users on a pedestal, ...in that case I'll OBLIGE.
Edited by aweir - 8/11/12 at 11:56pm
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post #2 of 7
Because you can go buy a PCIE Card easily and get better performance?
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post #3 of 7
Thread Starter 
Quote:
Originally Posted by Testier View Post

Because you can go buy a PCIE Card easily and get better performance?

Of course you can get better performance from a PCIE card because you don't really have a choice. The technology is there to make discrete graphics obsolete if they really wanted to, but that's not why they do it. The whole "gpu on a CPU" concept exists only to gain marketshare in the notebook market, after AMD bought ATI. Otherwise Intel could care less.

Even if the cost of the CPU was the equivalent of a CPU and a discrete card together, it would still be a viable alternative.
Edited by aweir - 8/12/12 at 12:19am
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post #4 of 7
A faster iGPU requires proportionally more bandwidth. This can't be provided by current DDR3 technology without greatly increasing the cost (extra lanes). So the solution is to include an L4 cache consisting of eDRAM. But this complicates the thermals and so it's better suited for a mobile chip that is clocked lower (and won't be overclocked).

Anyway, at some point after Haswell they might fully merge the CPU and GPU cores. Haswell's AVX2 vector instructions are already very similar to those on a GPU. So in the future you might get something like a uniform 16-core CPU that is also capable of running 3D graphics on those cores.
post #5 of 7
Thread Starter 
Is this also the same reason why AMD has no eight core "FX" APUs yet?
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post #6 of 7
Quote:
Originally Posted by aweir View Post

Is this also the same reason why AMD has no eight core "FX" APUs yet?
It's all a matter of supply and demand. It's hard to produce a huge chip with good yields (read: good profit) and acceptable power consumption. And on top of that there's very little demand for something like that since you can simply get a budget-friendly discrete GPU.

Of course this means that outside the mobile market, APUs are a silly idea. GPGPU isn't generating much if any market demand, and something like AVX2 will be far more effective to increase the CPUs throughput computing performance.
post #7 of 7
I am also quite mad about this!

My HD.4000 has been awesome, why can't they keep this up for the desktop users frown.gif.

Oh well FM2 for me redface.gif
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