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AMD Dual Fiji videocard surfaces
The AMD Dual Fiji videocard was briefly shown during an E3 presentation and the Fiji introduction already, but after these two moments in the summer everything went silent. Aside from a few photos there are no details on this product.
As it seems now, the release of the Dual Fiji graphics card might still be this year as once again it revealed itself in the shipment info of an India based courier service. The code-name that was spotted is "Fiji Gemini", and we need to mention here that "Gemini" has been used by AMD before to indicate a dual-GPU product.
An origin country Canada, yep the homebase of AMD's ATI group. If we dig deeper into the shipping info we can read that the cooler is based on Cooler Master, and thus that would be much similar to the Liquid cooled version of the Fury X. The earlier photos however indicate two 8-pin PCI Express power connectors and thus an allowance up-to 375 Watt (which honestly is not bad).
These small bits of info do indicate that a launch could be imminent. And yeah a dual-GPU Fiji would have 8 GB HBM1 graphics memory with a whopping 8192 stream processors. Such a card would kick massive proverbial azzz.
Herem
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Joined: 2014-01-30
Member
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Joined: 2014-01-30
#5168363 Posted on: 10/05/2015 04:41 PM
I think you'll find the 8GB of HBM will be split into 2 sets of 4GB and each core will only be able to access 4GB. This is the way other dual cards have worked in the past.
I think if both chips are Nano based this will work just fine without much throttling. Honestly, I think having 8GB of HBM is what will make this perform so well. I don't think the extra processing cores will have as much of an impact on the performance.
I think you'll find the 8GB of HBM will be split into 2 sets of 4GB and each core will only be able to access 4GB. This is the way other dual cards have worked in the past.
schmidtbag
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Posts: 7255
Joined: 2012-11-10
#5168367 Posted on: 10/05/2015 04:57 PM
Yes, that likely will be the case. But it's still roughly double the total bandwidth.
I think you'll find the 8GB of HBM will be split into 2 sets of 4GB and each core will only be able to access 4GB. This is the way other dual cards have worked in the past.
Yes, that likely will be the case. But it's still roughly double the total bandwidth.
---TK---
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Senior Member
Posts: 22106
Joined: 2005-12-10
#5168368 Posted on: 10/05/2015 04:58 PM
How is it double the bandwidth if its a 2x4gb card?
How is it double the bandwidth if its a 2x4gb card?
Denial
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Senior Member
Posts: 14046
Joined: 2004-05-16
#5168370 Posted on: 10/05/2015 05:01 PM
Is bandwidth really the bottleneck? The 980Ti seems to do fine with 60GB/s less bandwidth. Also Crossfire/SLI don't double memory bandwidth either. DX12 might change this but it's yet to be seen.
Regardless I think this will be a pretty beastly card, especially if it ships with a AIO cooler like the Fury X.
Yes, that likely will be the case. But it's still roughly double the total bandwidth.
Is bandwidth really the bottleneck? The 980Ti seems to do fine with 60GB/s less bandwidth. Also Crossfire/SLI don't double memory bandwidth either. DX12 might change this but it's yet to be seen.
Regardless I think this will be a pretty beastly card, especially if it ships with a AIO cooler like the Fury X.
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I think if both chips are Nano based this will work just fine without much throttling. Honestly, I think having 8GB of HBM is what will make this perform so well. I don't think the extra processing cores will have as much of an impact on the performance.