Originally posted by Kano
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AMD Radeon R9 Fury X Launches Today, Initial Results A Bit Of A Let Down
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Yeah other long standing idea is like that on Playstation 4, just put fastest available at the time...
Idea to drop user expandible RAM, where all memory is HBM let say. So you want a more RAM, just buy a APU with more RAM.
Why is not, mostly just because of the price at the time and not enough capacity for all PC users to be happy Those are never happy "i wanna edit my 16K videos"
Well that might easely fly in embeded sector, but PCs are all about expandibility Can i change this - you can, can i overclock this and that - you can, can i add this - why not, etc... and all that is cheap - yes... no more questions... i will buy it
Well things are changed in PC market with APUs puting everything in it... PC users already buy one product only because this codec is decoded, on this one but not on this one... whole new APU just because of that So drop that expandible RAM idea - please doLast edited by dungeon; 27 June 2015, 06:37 AM.
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Originally posted by dungeon View PostYeah other long standing idea is like that on Playstation 4, just put fastest available at the time...
Idea to drop user expandible RAM, where all memory is HBM let say. So you want a more RAM, just buy a APU with more RAM.
Why is not, mostly just because of the price at the time and not enough capacity for all PC users to be happy Those are never happy "i wanna edit my 16K videos"
It all depends of when the HMB fabs will be mature.
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Originally posted by boffo View PostYeah, but those people wouldn't buy an APU. Most people don't upgrade the ram. And some producers solder the Ram on the motherboard.
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HBM seems to be more expensive than GDDR5 and you can not upgrade it. But it could be used as cache even if relatively small. The PS4 has soldered GDDR5 thats something you might be able to use with laptops/all-in-one systems, the question is if Sony has exclusive rights for this design. I am sure MS would have liked that as well.
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Originally posted by Kano View PostHBM seems to be more expensive than GDDR5 and you can not upgrade it. But it could be used as cache even if relatively small. The PS4 has soldered GDDR5 thats something you might be able to use with laptops/all-in-one systems, the question is if Sony has exclusive rights for this design. I am sure MS would have liked that as well.
Sony has the rights for that design.
I don't think HBM would be like L4, because of the design, it's a stacked memory+interposer. It's an order of magnitude more than the intel L4. Plus everything is going in a chip to reduce the power consumption.
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Originally posted by boffo View Post
The radeon Fury is a low production volume card, this is useful to AMD and the HBM partners to improve the fabs and lower the cost of the memory. A similar strategy has been used before like the Radeon HD 4770. It was the first 40 nm card, the others 4000 HD series were 55 nm.
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Originally posted by dungeon View Post
I expected Radeon 4870 would be better comparison here (4770 was introduced 9 months after 4870), because that was first time any company shiped product with GDDR5... same now with Fury X and HBM
Look at the cost in the 70s vs today. I speak of the solar cells because I'm an electrical engineer.
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Originally posted by Qaridarium
they also use S3TC instead of ASTC this makes all these tests invalid in my point of view.
the test is only valid if the furyX use ASTC and the other cards use only S3TC (because they only can perform S3TC by hardware)...
otherwise we do not get the result of the capabilities of the FuryX hardware we only get the result of using wrong and obsolet technique on the furyX card.
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About the upgradeability: AMD has built NUMA systems for a while now, and some of you may remember the RS780 boards with sideport memory. I don't think it is an unsolveable problem to have some fixed amount of HBM on the interposer, and allowing the user to install extra memory in DDR4 slots.
Plus, an increasing number of systems (ultrabooks, tablets, HDMI stick PCs, Apple's current Mac Mini, etc.) have soldered non-upgradeable RAM anyway.
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