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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.
---TK---
Senior Member
Posts: 22106
Joined: 2005-12-10
Senior Member
Posts: 22106
Joined: 2005-12-10
#5168372 Posted on: 10/05/2015 05:04 PM
What you are describing is crossfire and sli, not double the vram bandwidth.
What you are describing is crossfire and sli, not double the vram bandwidth.
schmidtbag
Senior Member
Posts: 7255
Joined: 2012-11-10
Senior Member
Posts: 7255
Joined: 2012-11-10
#5168374 Posted on: 10/05/2015 05:07 PM
And? Depending on the application or API, Crossfire and SLI double VRAM bandwidth... A dual-die GPU is a crossfire/SLI configuration.
What you are describing is crossfire and sli, not double the vram bandwidth.
And? Depending on the application or API, Crossfire and SLI double VRAM bandwidth... A dual-die GPU is a crossfire/SLI configuration.
Denial
Senior Member
Posts: 14046
Joined: 2004-05-16
Senior Member
Posts: 14046
Joined: 2004-05-16
#5168375 Posted on: 10/05/2015 05:07 PM
Most multi-GPU setups use AFR, they don't work on the same image.
Regardless, the textures are loaded into both cards anyway, so the bandwidth is the same across both. In compute this isn't the case, it's doubled, but for most games the same resources are loaded on both cards. Again DX12 can change this, but no developer has done it yet.
Is that a serious question? In many (not all) forms of multi-GPU rendering, both GPUs work together to render the same image. They effectively share the same data in their memory. So when you have 8GB of VRAM in a dual GPU setup, you really only have access to 4GB (until DX12/Vulkan come around to change this behavior). Therefore, you get roughly double the memory bandwidth, rather than double the capacity.
Most multi-GPU setups use AFR, they don't work on the same image.
Regardless, the textures are loaded into both cards anyway, so the bandwidth is the same across both. In compute this isn't the case, it's doubled, but for most games the same resources are loaded on both cards. Again DX12 can change this, but no developer has done it yet.
---TK---
Senior Member
Posts: 22106
Joined: 2005-12-10
Senior Member
Posts: 22106
Joined: 2005-12-10
#5168377 Posted on: 10/05/2015 05:08 PM
They do? you got a source on that?
And? Depending on the application or API, Crossfire and SLI double VRAM bandwidth... A dual-die GPU is a crossfire/SLI configuration.
They do? you got a source on that?
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Is that a serious question? In many (not all) forms of multi-GPU rendering, both GPUs work together to render the same image. They effectively share the same data in their memory. So when you have 8GB of VRAM in a dual GPU setup, you really only have access to 4GB (until DX12/Vulkan come around to change this behavior). Therefore, you get roughly double the memory bandwidth, rather than double the capacity.