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AMD A10-7850K dual graphics question - Page 3

post #21 of 59
Quote:
Originally Posted by nitrubbb View Post

are there any weaker cards than 260x that have 2GB memory?

also is it possible for kaveri iGPU to use GDDR5 from dGPU`? biggrin.gif
2gb for 128bits doesnt make sense unless you have high resoluton like 1080p or 1050p

I dont know if it could use DDR5 since its very similar to the A10 6800K . we have to wait and see reviews
post #22 of 59
Rumor is that the memory uniformity effects gpu ram and larger memory low profile cards will hit the market. Demanding applications will utilize the faster memory in place of the slower prioritizing. So if you're just snug on your desktop loading up a browser it may totally load up on your GPU's ram because that's the priority. If you're playing a game background memory gets reallocated into the DDR3. We should be seeing r7 260x with 4gb on shelves soon.
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post #23 of 59
I predict that the first benchmark to show a 260X with Kaveri in hybrid Xfire will be sorely disappointing, as it will run better with hybrid Xfire turned OFF in most games.
     
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post #24 of 59
Quote:
Originally Posted by mdocod View Post

I predict that the first benchmark to show a 260X with Kaveri in hybrid Xfire will be sorely disappointing, as it will run better with hybrid Xfire turned OFF in most games.

Have you not even heard of xDMA?
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post #25 of 59
Quote:
Originally Posted by mdocod View Post

I predict that the first benchmark to show a 260X with Kaveri in hybrid Xfire will be sorely disappointing, as it will run better with hybrid Xfire turned OFF in most games.

lol, wanna bet?
post #26 of 59
Quote:
Originally Posted by SpeedyVT View Post

Have you not even heard of xDMA?

xDMA, is a solution to a different problem than the one that will plague the asymmetrical GPU configuration.
     
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post #27 of 59
hmm not too sure how xDMA work and how dependent on PCIe lanes is it

i'd like to be able to run the discrete on PCIe x1
post #28 of 59
Quote:
Originally Posted by akromatic View Post

hmm not too sure how xDMA work and how dependent on PCIe lanes is it

i'd like to be able to run the discrete on PCIe x1
Well unless you're going to use a solder torch to remove the notch on the pci-e x1 port you're goint to be running something like a GT9500 anyways. Unless your board is so cheap that it runs a x16 slot at x1 speeds. I suppose it depends on what we are talking about PCI-e 3.0 would yield PCI-e 1.1 4x speeds but you get my point.
Quote:
Originally Posted by mdocod View Post

xDMA, is a solution to a different problem than the one that will plague the asymmetrical GPU configuration.
True but it is part of the solution the tighter scheduling will certainly benefit Kaveri setups and the frame pacing drivers and rest of the GCN arch will do the rest.


at least Mantle will support these things later on biggrin.gif
post #29 of 59
Quote:
Originally Posted by maarten12100 View Post

Well unless you're going to use a solder torch to remove the notch on the pci-e x1 port you're goint to be running something like a GT9500 anyways. Unless your board is so cheap that it runs a x16 slot at x1 speeds. I suppose it depends on what we are talking about PCI-e 3.0 would yield PCI-e 1.1 4x speeds but you get my point.
True but it is part of the solution the tighter scheduling will certainly benefit Kaveri setups and the frame pacing drivers and rest of the GCN arch will do the rest.


at least Mantle will support these things later on biggrin.gif

actually you can tape the lanes on the card to simulate x1 bandwidths instead of physically removing them

this this question is not because i have a cheap board that does only x1 speeds but rather its for external GPU solutions which currently only offers x1 speed

what i want to know is how much does this x1 speed effect the operation of hybrid crossfire

for example x1 bandwidth would not effect cryptocoin mining but would have a 50-80% performance hit in gaming. question how does this play out in hybrid CF
post #30 of 59
Quote:
Originally Posted by mdocod View Post

xDMA, is a solution to a different problem than the one that will plague the asymmetrical GPU configuration.

It's a solution to the problem. I didn't mean it extends on the GPU. When you put any graphics into dual graphics it'll add ram to the ram. The significant issue was the support between the two component staying synchronized. xDMA improves scalability.
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