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New AMD roadmap shows Vega and Navi Architectures
While the Polaris GPU architecture is to be released this year, two new architecture (or product series) code-names have surfaced in a roadmap shown in an AMD presentation, Vega and Navi.
It seems that after Polaris in 2017 VEGA will make an appearance, the name is tagged with HBM2 meaning that HBM2 likely will not make it onto Polaris. Vega is the brightest star in the constellation Lyra, the fifth brightest star in the night sky and the second brightest star in the northern celestial hemisphere, after Arcturus. Next in line in the 2018 timeframe we see Navi with the two keywords being scalability and Nextgen memory.
The slide is plotted in years/time against perf per watt, so you will notice that the perf/watt ratio almost makes a 2x step every new release. It will be interesting to see how ling AMD stays at 15nm, 7nm is obviously the next step in fabbing, that technology is due for release in 2019/2020.
Download the new AMD Catalyst 15.11.1 Beta Driver - 11/17/2015 01:42 PM
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AMD announced its new AMD PRO A-Series APUs, delivering rich computing experiences to commercial PCs. The innovative processor technology from AMD will enable a new class of powerful, sleek and sophis...
Ryu5uzaku
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#5245354 Posted on: 03/15/2016 08:53 AM
That looks like a interesting road map. If all goes well I might buy that Vega thing.
That looks like a interesting road map. If all goes well I might buy that Vega thing.
AlmondMan
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#5245396 Posted on: 03/15/2016 10:37 AM
So, without HBM2 does that mean only 4gb on Polaris based cards?
I mean it could make sense, if they don't plan to increase performance much, at lower resolutions, but just reduce powerconsumption and heatoutput.
So, without HBM2 does that mean only 4gb on Polaris based cards?
I mean it could make sense, if they don't plan to increase performance much, at lower resolutions, but just reduce powerconsumption and heatoutput.
fantaskarsef
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#5245399 Posted on: 03/15/2016 10:45 AM
Couldn't they do two stacks of 4GB HBM1 on a card? Honestly, not sure if they need HBM2 for this year's releases.
Couldn't they do two stacks of 4GB HBM1 on a card? Honestly, not sure if they need HBM2 for this year's releases.
CPC_RedDawn
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#5245410 Posted on: 03/15/2016 11:21 AM
Why not GDDR5X like Nvidia are using?
If HBM1 still has limitations of 4GB why not just go for GDDR5X for the extra bandwidth?
Its reported to still perform around 2-3x of current GDDR5 so GDDR5 basically matches HBM1 for performance since that only reach 1Gbps and HBM2 is rumoured to be around the 2Gbps range as it uses larger denser memory stacks.
So, without HBM2 does that mean only 4gb on Polaris based cards? I mean it could make sense, if they don't plan to increase performance much, at lower resolutions, but just reduce powerconsumption and heatoutput.
I mean it could make sense, if they don't plan to increase performance much, at lower resolutions, but just reduce powerconsumption and heatoutput.Couldn't they do two stacks of 4GB HBM1 on a card? Honestly, not sure if they need HBM2 for this year's releases.
Why not GDDR5X like Nvidia are using?
If HBM1 still has limitations of 4GB why not just go for GDDR5X for the extra bandwidth?
Its reported to still perform around 2-3x of current GDDR5 so GDDR5 basically matches HBM1 for performance since that only reach 1Gbps and HBM2 is rumoured to be around the 2Gbps range as it uses larger denser memory stacks.
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quite a challenge for amd