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[FUD] AMD Fiji aims at $849 retail price - Page 24

post #231 of 269
Quote:
Originally Posted by peateargryphon View Post

Virtual Reality!!

Sorry, it's late... but seriously, VR needs all that power plus some. Even with foveated rendering, bring on the ray-tracing....

If AMD buys this company [NSFW] http://www.realtouch.com/ and teams up with Oculus Rift I'm taking out a loan and buying four Fiji GPUs.
post #232 of 269
Quote:
Originally Posted by peateargryphon View Post

The later leaks and the phone conversation with AMD's CTO, Joe Macri, sure sound convincing for the 4GB argument, but I definitely saw what you meant about video with David Kanter.

True, but even with the interruptions, he does say "I don't think" ... "my guess" ... "I had no idea how much memory it had", etc. His "Ummm" stalling was more like he didn't want to answer the 4GB question, knowing full well that a brand new line this late in the game, especially from a company who has a long history of ragging on the competition of only having 3GB, isn't going to be good from a marketing point of view when dealing with marketing for 4K displays and going up against 12GB of VRAM.

What was more interesting in that video, if you believe that he knows what he is talking about, then the Fiji is just a reworked R9 285 using the Tonga GPU.

Skip to 9:15



So if he is to be believed (and he even admits he doesn't really know what it's going to be, even though he said he held the Fiji chip in his hands, but had no idea how much memory it had), then some of the other rumors that have appeared, are true, and the 300 series is just a rebrand/rework and it's just to compete with Maxwell, and this release really brings nothing new to the table aside from HBM GEN1 ... and it is very possible since the GPU is a reworked R9 285, that the first GPU with HBM will be the R9 380X and the 390X will come later and will be the real "Titan Killer", which will really be the specialty, expensive, and later coming card.
Edited by 47 Knucklehead - 5/21/15 at 4:25am
post #233 of 269
Quote:
Originally Posted by 47 Knucklehead View Post

...

Fiji is not a mid end chip, so it would have more shader cores than a 285 chip. Though maybe they just have very similar shader cores (GCN1.2)?

I have my doubts they'd put HBM on a card that isn't going to run anything that needs HBM, also.
edit: Unless more memory bandwidth somehow turns a 285 into a card with well more than twice the firestrike performance. But I doubt that. (edit: also $850 pricepoint for a card half as fast as a 980 would be silly.)
Edited by Tivan - 5/21/15 at 6:46am
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post #234 of 269
Quote:
Originally Posted by Tivan View Post

Fiji is not a mid end chip, so it would have more shader cores than a 285 chip. Though maybe they just have very similar shader cores (GCN1.2)?

I have my doubts they'd put HBM on a card that isn't going to run anything that needs HBM, also.
edit: Unless more memory bandwidth somehow turns a 285 into a card with well more than twice the firestrike performance. But I doubt that. (edit: also $850 pricepoint for a card half as fast as a 980 would be silly.)

See, to me, that is the rub about that whole video (that someone else brought up).

Either this guy knows what he is talking about and the card will have 8GB of HBM ... AND ... is a Tonga card (ie R9 285)

OR

This guy is just blowing smoke about both and it very well may be a 4GB of HBM version using Hawaii (ie R9 290)
post #235 of 269
Quote:
Originally Posted by Tivan View Post

Fiji is not a mid end chip, so it would have more shader cores than a 285 chip. Though maybe they just have very similar shader cores (GCN1.2)?

I have my doubts they'd put HBM on a card that isn't going to run anything that needs HBM, also.
edit: Unless more memory bandwidth somehow turns a 285 into a card with well more than twice the firestrike performance. But I doubt that. (edit: also $850 pricepoint for a card half as fast as a 980 would be silly.)
HBM is not like GDDR3/GDDR5 where you can have the same graphics core configured with different memory types (4850/4870, same core - GDDR3 vs GDDR5).

HBM requires basically a complete engineering of memory controller (4096 bit!), complete redesign of the package itself to accommodate all those pins, engineering of the interposer, and a whole rework of the memory controller > execution core connections inside to handle all that extra bandwidth. You can't just take a Tonga or Hawaii chip and stick it on an interposer and call it good. Doesn't work like that.

Sure it can be the same shader architecture inside (GCN 1.1, 1.2, etc..), but it'll hardly be the same chip at all.
post #236 of 269
Quote:
Originally Posted by rdr09 View Post

nah, 60 Hz smooth 4K . . .


Have you ever experienced 1440p 110+ fps FPS gaming? Answer must be no, otherwise you wouldn't be saying that. thumb.gif
    
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post #237 of 269
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Originally Posted by caenlen View Post

Have you ever experienced 1440p 110+ fps FPS gaming? Answer must be no, otherwise you wouldn't be saying that. thumb.gif

I think it's just different strokes for different folks. A couple years ago, I couldn't make up my mind rather I wanted 1440p IPS or 1080p 120 Hz. So I tried both. Higher resolution won the day for me... I'd love to have 4k 120/144 Hz, don't get me wrong, but I personally prefer the extra resolution. And 4k 120 Hz is probably like 5-10 years away from really being doable, and may never be doable on a large format TV like what I'm enjoying now.
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post #238 of 269
Quote:
Originally Posted by 47 Knucklehead View Post

See, to me, that is the rub about that whole video (that someone else brought up).

Either this guy knows what he is talking about and the card will have 8GB of HBM ... AND ... is a Tonga card (ie R9 285)

OR

This guy is just blowing smoke about both and it very well may be a 4GB of HBM version using Hawaii (ie R9 290)

OR

This guy was talking about Fiji which is not (Tonga or Hawaii, but a new derivative!) and directly he stated that 8GB was his prediction and not something he knew for certain.


Clearly, AMD's Fiji chip will be based on their newest shaders and memory compression techniques, so the true insight here is that Fiji is GCN based which is no surprise at all.

Any GPU supporting HBM will necessarily be a new "architecture" even if it is derived from an existing one! But Fiji is not a reimagining from the ground up, GCN still has some iteration cycles before they move on to something radically different. I believe AMD's commitment to GCN was made clear in several past articles and interviews. As AmericanLoco points out, such a radical change in memory structure and bus requires a lot of other supporting changes.

Anyway, I think there's been more than enough leaks to support that 4GB Fiji comes first... and quite a lot of others that suggest that there is still an 8GB version on the horizon (although most of those imply it's for the dual GPU version).
post #239 of 269
Quote:
Originally Posted by caenlen View Post

Have you ever experienced 1440p 110+ fps FPS gaming? Answer must be no, otherwise you wouldn't be saying that. thumb.gif

Its all about lightboost IMO.
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post #240 of 269
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Originally Posted by BigMack70 View Post

I think it's just different strokes for different folks. A couple years ago, I couldn't make up my mind rather I wanted 1440p IPS or 1080p 120 Hz. So I tried both. Higher resolution won the day for me... I'd love to have 4k 120/144 Hz, don't get me wrong, but I personally prefer the extra resolution. And 4k 120 Hz is probably like 5-10 years away from really being doable, and may never be doable on a large format TV like what I'm enjoying now.

Exactly. Some people prefer high fps, some like resolution.

I have a 120hz 1080p, 60hz 1440p and 60 hz 4K.

I'll take resolution over refresh anyday.
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