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** The AMD Navi Thread **

Simon Belmont said:
This is nothing. You should see the total rubbish he not putting up with in the coffeelake thread in the CPU section.



Just put him on ignore Greg. He's not worth it tbh
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Fixed.

I take it Gregster is now in the focus group with the cool kids. We need forum tags. Could I have Grumpy OBD.

Please tell me Loadsamoney Jokester and Werewolf haven't joined.
 
r7slayer said:
Yes but AMD are sourcing 7nm from TSMC. Vega isn't going to drop on 7nm, its going to use a refined node that its currently on.
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this news, from AMD, says AMD are sticking with glofo through 2018 for GPU's, which somewhat suggests that other rumours that they were going to be making Navi starting in early 2018 for mid 2018 launch on 7nm a bit tenuous

I didn't say Navi wasn't going to be on 7nm, just that if AMD are saying they are releasing glofo sourced Vega in 2018 then a 2018 launch for Navi looks a bit slim
 
r7slayer said:
Yes but AMD are sourcing 7nm from TSMC. Vega isn't going to drop on 7nm, its going to use a refined node that its currently on.
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So it seems Navi and Vega could run alongside each other. I really hope the improved Vega lowers the price or Navi will have to be priced around 1080Ti money. Probably more.

A £250-300 Vega or Navi with 1070 performance would be just the ticket right now.
 
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andybird123 said:
this news, from AMD, says AMD are sticking with glofo through 2018 for GPU's, which somewhat suggests that other rumours that they were going to be making Navi starting in early 2018 for mid 2018 launch on 7nm a bit tenuous

I didn't say Navi wasn't going to be on 7nm, just that if AMD are saying they are releasing glofo sourced Vega in 2018 then a 2018 launch for Navi looks a bit slim
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Yes, I can't see them superseding Vega so quickly unless it's really costing AMD a lot and they are making little profit. They won't get their money back on Vega as it's still barely off the ground (not even any AIB products yet). The only way Navi is going to come before the end of 2018 is if it's more powerful and so much cheaper to make, that AMD would make a lot more money getting rid of Vega quickly and bringing out Navi as soon as possible.
 
Steampunk said:
Yes, I can't see them superseding Vega so quickly unless it's really costing AMD a lot and they are making little profit. They won't get their money back on Vega as it's still barely off the ground (not even any AIB products yet). The only way Navi is going to come before the end of 2018 is if it's more powerful and so much cheaper to make, that AMD would make a lot more money getting rid of Vega quickly and bringing out Navi as soon as possible.
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Well it would make sense to get something to take sales from the T cards and have Vega and Polaris in the line up too.
 
Navi will be made on the 7nm process, but other than that we don't know much. So let's start thinking about what AMD could deliver to change things up and actually fight NVIDIA in the GPU arena. Navi could feature modular Navi GPU dies that would be similar to the way AMD made Ryzen and Ryzen Threadripper, where Ryzen Threadripper 1950X is really an EPYC server CPU with dies disabled.
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A modular Navi or not? If they can do it with threadripper why couldn't they do it with Navi? Probably a bit TOO far ahead of its time but I think GPU's will possibly go this way. Multi GPU but acting as one GPU.
 
subbytna said:
A modular Navi or not? If they can do it with threadripper why couldn't they do it with Navi? Probably a bit TOO far ahead of its time but I think GPU's will possibly go this way. Multi GPU but acting as one GPU.
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Strapping together current (or even tweaked versions of) monolithic cores even via something like IF just won't be any better than SLI/CF - will still have to use AFR/SFR to work and all the problems with that and still need a large dedicated amount of memory per core even if they find a way to pool some of it (very non-trivial).

Advances in tech means MCM GPU designs will become a reality but that won't be anything like current GPUs and even then need at the very minimum a properly working 7nm process and more dedicated interconnects between chips on the substrate than current forms of IF.

I might be wrong but I can't see either AMD or nVidia jumping from their current architectures to MCM type implementations as it needs a fairly significant overhaul of the architecture, some experience with how that works and then using that experience to optimally implement as separate chips.
 
as has been said above Multi chip via some sort of infinity fabric, just isn't practical with the architecture currently in use. Of course that doesn't stop either AMD or NVidia working out a new architecture which allows it to work, with out the massive latency issue it would incur with the currant system.
 
CAT-THE-FIFTH said:
Unless they can make the MCM approach look like one piece of unified hardware at the software level,it will require a ton of software support to work properly out of the box.
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Well yes even if they get the hardware side of things to work without some massive latency issues, the software side of things would also have to work completely seamlessly, else it would be a developer nightmare and wouldn't get taken up easily. ( much like DX12 ;) )
 
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