What's your frame of reference for how much R&D is enough to develop a processor on a current bleeding edge process? 100m $? 400m $? 1b$? How much of AMDs R&D budget was targeted at big core and how much will be? How much of Intels was and will be? Both easily dwarf ARM, even though they're also developing several processor cores in parallel.In IC, you can't just chop 20% of your R&D budget and develop a chip in the following node at the same relative performance level in the same time frame, because it doesn't work, as the costs will go up 30%. Nobody ever achieved that, and this is what you are suggesting that AMD will accomplish.
Find an IC company that slashed 20% of their R&D budget and could get bleeding edge products out of the door in the following node in an acceptable time frame and we can start discussing again, if not, I rest my case.
Point is, we have absolutely no idea where this minimum is. There are only two companies as a frame of reference: One is spending about eight times as much, but is also investing in a lot more markets as well as owning/developing their own production facilities. The other one is spending less than 1/5th the amount, but is only somewhat competing in the same market as well as not dealing with integration and foundries themselves. That's quite a span of insecurity to rest your case on.There is a minimum you need for the development of a given product. You can't get a clip and a bubble gum and expect to have an explosive charge. You need a given level of resources, and this is what we are discussing here.
My bad, that got lost in translation. Still, the metal industry has a lot of fixed costs associated with their business.Err... those are variable costs.
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