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[Fudzilla] Micron's answer to HBM - the company to double the speed of GDDR5 in 2016 (possibly named GDDR6) - Page 6

post #51 of 119
Source or didint happen biggrin.gif
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post #52 of 119
Quote:
Originally Posted by CynicalUnicorn View Post

It's your responsibility to back up your argument. If you won't provide a source, then your argument is not worth acknowledging.

Plus, if you provide a source, then I can gauge how likely it is to be true.

This guy constantly posts 'leaks' that usually consist of forged NDAs or unreliable sources, so I would take what he says with a grain of salt.
post #53 of 119
Quote:
Originally Posted by iLeakStuff View Post

Quote:
Originally Posted by CynicalUnicorn View Post

Source please.

Try to keep up instead of asking people to get information for you. You base your information on nothing it seems.

Hynix wont begin HBM2 mass production until late Q1 or early Q2.
Samsung will begin sometime during 2016 and they will not have a chance to beat Hynix to that since Hynix have tools and everything ready.

As for source for that: Go get it youself. Its available on the internet. You know, what we are using now to communicate

Lol at your flamefail....

I really cant think of any redeeming features you possess for anyone to take anything you say without laughing inside.
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post #54 of 119
Quote:
Originally Posted by Klocek001 View Post

How is this NOT an answer to HBM?
If they doubled the speed of DDR5 then it'd much faster than HBM on Fury.

It's not faster than HBM by a LONG shot. It is, however, cheaper by a considerable margin.

Might help keep the lower end more relevant. smile.gif
     
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post #55 of 119
Quote:
Originally Posted by NicksTricks007 View Post

They are not doubling the speed of gddr5. They are doubling the prefetch data access rate. Of course this will have an impact on overall speed, but it will not be faster than hbm1 and definitely not faster than hbm2. GDDR5X speeds are rumored to be around 448 GB/s as opposed to HBM1 which is 512 GB/s.

Then it comes down to price. How well will they price it to compete?
post #56 of 119
Don't forget that HBM1 is pretty much soon to be history, with HBM2 going into mass production instead.
The main thing I see that GDDR5X/GDDR6 will have over HBM2, is power. HBM2 will require more power than current GDDR.
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post #57 of 119
The biggest winner either way will be the consumer. Memory technology has stagnated for ages so it's nice to see a competitor shaking things up and forcing innovation.
post #58 of 119
Quote:
Originally Posted by iLeakStuff View Post

Let me summarize it:

HBM1 4096bit 512GB/s: ~25W less than 4GB GDDR5 (290X). Source: Anandtech.

In comes GDDR5X:
Offer twice the capacity as GDDR5. Meaning 8GB/16GB cards. HBM1 still have a limitation of 4GB.
Twice the bandwidth of that GDDR5 card above. Meaning 660GB/s for a similar specced card as 290X. Or 670GB/s if it was GTX 980Ti.
The GDDR5X runs at 1.3V in comparison to the GDDR5 on the 290X which runs at 1.3V. Reducing that 25W lead for HBM1 to what? 10-15W? Which is very moot.

So in summary:
With GDDR5X you get 2-4x as much memory capacity as HBM1. You get 30% more bandwidth. You get similar power consumption.
Why pick HBM1 at all? GDDR5X is probably cheaper too.

With HBM2 however you get 1000GB/s and same capacity as GDDR5X.
The only memory that makes sense here vs GDDR5X is HBM2. But unless that is cheap like GDDR5X, why use it? Would you notice 1000GB/s vs 660GB/s? We saw no difference in performance for Fury X vs 980Ti despite offering 512GB/s vs 330GB/s. Which is exactly the same ratio as GDDR5X vs HBM2 (55% more bandwdidth)
For gamers it will most likely dont matter at all what Nvidia design their cards with. For computation, absolutely.

We heard about GP100 and GP102 earlier in a leak: What if GP100 is for Tesla/Quadro only and comes with HBM2. While GP102 is for Geforce cards and comes with GDDR5X?
No, let me summarize:
HBM2 4086 bit, 1TB+/s: same power consumption as GDDR5X.

The benefits of GDDR5X are now limited to: larger than 8GB volumes, and (hopefully) cost. It will not be more efficient than HBM2 by a long shot, and it will not perform better.

I don't suspect I'll be needing more than 8GBs of VRAM before HBM3 hits the market, and as far as cost savings goes.. sounds great, for people in the midrange. The new flagships had better have the superior HBM2, that's all I have to say about that.

Too much bandwidth, you say? That depends on the chip, and we're about to skip a node for the first time ever. These chips are going to be powerful. If they can't quite use 1TB, HBM2 can be downclocked and that power can be used elsewhere, like on Fury.
Edited by Mookster - 12/13/15 at 3:46pm
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post #59 of 119
Quote:
Originally Posted by Defoler View Post

Don't forget that HBM1 is pretty much soon to be history, with HBM2 going into mass production instead.
The main thing I see that GDDR5X/GDDR6 will have over HBM2, is power. HBM2 will require more power than current GDDR.
Good thing Fury X comes with a 500 watt capable AIO WC unit. Those Nidec fans can generate ozone holes in the atmosphere.
Edited by mtcn77 - 12/13/15 at 3:57pm
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post #60 of 119
Quote:
Originally Posted by Klocek001 View Post


That's a lot. In PL it's ~12 cents and I say it's already on the more expensive side.

 

That's because you're closer to Russia.

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