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To: Vattila who wrote (33781)10/31/2019 9:33:19 PM
From: neolibRead Replies (1) | Respond to of 73147
 
Yeah, IMHO, Nvidia has a problem because they have huge dies at the top end. Those could not yield on 7nm, which I think is partly why Nvidia has stayed stuck on 12nm.

BTW, Jensen at one of the previous 2 CCs (forget which one) made the same statement that Lisa did more or less: Arch matters more than process. He was reacting to AMD's 7nm rollout and was saying that Nvidia has higher performing parts with better perf/W than AMD despite being a node back, and that this was due to their superior arch. Ok, fine, but if you took that same arch and had it a node ahead would it not be even better? Should be, but if the die size is too large, then it won't yield at the leading edge, and Nvidia has had humongous die sizes for their largest parts (like 800mm2 IIRC). I think the fine grained parallelism in GPUs makes chiplet approach take a hit, but you would have to have someone who knows more about that than me comment on it.

I wish someone would post AMD vs Nvidia GPU benchmarks normalized to die size. I think that might be interesting....



To: Vattila who wrote (33781)10/31/2019 10:02:16 PM
From: neolibRead Replies (1) | Respond to of 73147
 
Here BTW is a fresh article on the AI/data center side:

eetimes.com

worth a read and note the comments about beating up Nvidia in the data center...