AMD Radeon 390X WCE - Water-Cooled Edition
Yep and then there is the slide after the break, that surfaced on the web over the weekend, it confirms leaks about R9 390X 8GB HBM. Anyway check after the break to see what is mentioned in the slide, that's IF it isn't a fake of course.
The leaker (videocardz) claims this slide is a part of in-house presentation called ‘2015 Future of Radeon’ that will be shown next week to AIB partners (not to public).
AMD Radeon R9 390X WCE:
Next iteration of the highly successful GCN design
- Up to 4096 shader units
- Full DirectX 12_Tier 3 implementation
- Optimized for 4K gaming & beyond
- First ever GPU designed for VR immersion
- Special enthusiast water-cooled edition
- Up to 8GB of ultra-high bandwidth HBM video memory
- Hardware H.265 decoding and over 4x the previous H.264 encoding speed, enabling smooth live streaming
- Enhanced ZeroCore functionallity
Granted the screenshot does look like an AMD slide, the text however has typo's (functionality is misspelled) and weird wording like "DirectX 12_Tier 3 implementation" which is uncommon for AMD as everything is vetted and goes through a screening process.
Ah well .. here's that slide:
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I had a pair of GTX660's that both hit their thermal limits and throttled any time they were stressed. I've never had an AMD card throttle. The reference cooler on my HD7950 was also quieter than either of my 660's reference coolers.

When was the last time you actually owned an AMD card? I had one installed just a few weeks ago....
for 4GB of HBM, the memory bus width is 4096bit. For 8GB, it would be 8192bit if the explanation of HBM was accurate.
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Always was and always will be. If i had such disposable income I'd still have one though, just like a Ferrari or a Koenigsegg

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But what might the 390X actually cost? I don't see it being over a thousand Euro / Dollars but I don't think it will be cheap either though the Titan X will probably be the more expensive of the two.
Hopefully AMD is also starting to show improvements to their driver quality and support for upcoming games in Crossfire for those who have multiple GPU's as that is also very critical to get the most out of the GPU.
(Nvidia tends to be the faster of the two with this but they also have more game companies working with them though AMD has gotten a bit more aggressive with this as well.)
I probably won't switch my current GPU until the next die shrink to 16nm fin or what it was but it will be interesting to see how the Titan X and what else Nvidia might come up with will stack against the AMD 300 series of GPU's.
(Not the best comparison of course with Nvidia releasing a enthusiast GPU for a very select market and AMD launching a entire series of GPU's but it will be interesting to see how the 380 and 390 stacks against the Titan and the 980.)
390x price i reckon will be £599
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for 4GB of HBM, the memory bus width is 4096bit. For 8GB, it would be 8192bit if the explanation of HBM was accurate.
4096bit only. 8GB is doable by 2 simple ways:
- double density of each stack
- 8 stacks instead of 4
Those 1GB per HBM brick were ready last xmas, AMD's waits most likely for double density per stack.
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This days when I buy a GPU you don`t just look at the performance,for me it matters the support and one of the most important things,yet for me,is the G-Sync and FreeSync option.Right now I use a G-Sync monitor and let me tell you that I can`t ever go back top regular one.I`t really doesn`t matter if I have 200 FPS when the frames are all over the place and I see screen tearing and stutter,because many devs this days are lazy and they don`t bother to optimize their console games for PC.I really hope that FreeSync works and does what G-Sync does.