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[Guru3D] Samsung to offer GDDR6 at 14 - 16Gbps Bandwidth in 2018 - Page 3

post #21 of 41
Quote:
Originally Posted by Klocek001 View Post

what do you mean by that ?

another question, amd parts seem to have a lower number of ROPs and much lower clockspeed than nvidia parts. Doesn't it mean that results obtained on 290X may not be reflected when you overclock nvidia cards ? I've seen charts suggesting current Pascal line up gets 10-15% boost from memory overclock. I've tested my 1080 at 10GHz vs 11.5GHz and the difference was pretty big, can't remember the exact fps numbers but it was almost 1% performance gain from 1% memory oc. I was using 4K DSR though.

Basically you could be running 5GHz and then OC to 6GHz and see no performance gain because 6GHz is not stable. This is the case with AMD cards at least.
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post #22 of 41
while people expected a reason able price for GDDR5X based card, still the only card using it is 40% more expensive than the equivalent using GDDR5 and HBM
Quote:
Originally Posted by Wishmaker View Post

Well the ones driving HBM do not truly control the world tongue.gif!
Hynix and TSMC are big enough to deliver HBM(2) to the market.
post #23 of 41
Quote:
Originally Posted by Blameless View Post

Not unless it becomes cost competitive or bandwidth becomes a significant bottleneck before cheaper technologies can catch up.

The problem with HBM isn't just cost, it makes the manufacturing of the chip more difficult.

Remember Fury pro duo came with an extra loose chip to keep as a souvenir, those chips were likely good chips, but the HBM/interposer and connecting all the wires is where things went wrong and made it a paper weight. I doubt they would fuse a useless chip to expensive HBM if the chip wasn't good in the first place. HBM was particularly expensive at the time.

The interconnect on the surface of the HBM to the chip are very delicate and largely not protected.

HBM is only suited for high end chips where yields don't matter as much as far as profitability. Highly mass produced chip + HBM as a result, will never mix.
post #24 of 41
thats why hbm need moar mass produce. Came on just let gddr die and let hbm rule the world
post #25 of 41
Quote:
Originally Posted by ZealotKi11er View Post

So HBM will never really become mainstream? GTX1080 10Gbps G5X, 1180 12-14Gbps G5X, 1280 14-16Gbps G6.

only on the high end cards.

HBM's estimated premium is ~$50 per stacks, this makes it impossible to use on lower end cards.
Edited by epic1337 - 8/23/16 at 6:59am
post #26 of 41
Quote:
Originally Posted by epic1337 View Post

only on the high end cards.

HBM's estimated premium is ~$50 per stacks, this makes it impossible to use on lower end cards.

True... at least this year. Give it a few years, like everything else, and we'll see advances like always.
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post #27 of 41
Quote:
Originally Posted by Insan1tyOne View Post

SOURCE: http://www.guru3d.com/news-story/samsung-to-offer-gddr6-at-4-16gbps-bandwidth-launches-2018.html



I guess GDDR isn't dead afterall? Hopefully this new GDDR6 will retain the low manufacturing costs of GDDR5X and not swing towards the much more expensive HBM2.

- Insan1tyOne biggrin.gif

If you'll pardon the slur, not even Dane Cook would be comparing single 64bit chips arrayed on a board to the complexity of HBM2 stacks with controllers. It's apples to aardvark petting zoos.
Even a full 512 bit 16gb array of top-clocked GDDR6 won't compete with the upper end of HBM2 made with nearly ten year old ram speeds.

Its like comparing a Honda Fit to a 7 liter diesel 2017 IH short school bus.

Be more T.J. Miller, man.
Edited by prjindigo - 8/23/16 at 7:30am
post #28 of 41
Quote:
Originally Posted by ZealotKi11er View Post

Quote:
Originally Posted by Klocek001 View Post

what do you mean by that ?

another question, amd parts seem to have a lower number of ROPs and much lower clockspeed than nvidia parts. Doesn't it mean that results obtained on 290X may not be reflected when you overclock nvidia cards ? I've seen charts suggesting current Pascal line up gets 10-15% boost from memory overclock. I've tested my 1080 at 10GHz vs 11.5GHz and the difference was pretty big, can't remember the exact fps numbers but it was almost 1% performance gain from 1% memory oc. I was using 4K DSR though.

Basically you could be running 5GHz and then OC to 6GHz and see no performance gain because 6GHz is not stable. This is the case with AMD cards at least.

AMD's memory controller sucks and they always use the cheaper VRAMs.
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post #29 of 41
Quote:
Originally Posted by Valor958 View Post

True... at least this year. Give it a few years, like everything else, and we'll see advances like always.

There is an entire extra chip needed for HBM and a big one at that. A raw silicon wafer is nearly $70-100 and interposes are quite big. When you want to sell the entire GPU card for $100-150 that premium is too much especially when not all channels are being used.
post #30 of 41
Quote:
Originally Posted by mmonnin View Post

There is an entire extra chip needed for HBM and a big one at that. A raw silicon wafer is nearly $70-100 and interposes are quite big. When you want to sell the entire GPU card for $100-150 that premium is too much especially when not all channels are being used.

I get that, but does that take away from what I said in any way? I merely said that in the future we're likely to see things change... like always. Not saying we'll see these on low end equipment anytime soon, but upper range equipment where people don't mind paying a premium could definitely see changes first.
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