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*** Official AMD 7990 Owners Thread ***

I'm thinking buying this card does it work just like any other single gpu card would but a lot faster just the noise an heat an the coil whine that bit worried about will build whole new PC system around it just keeping my large case an PSU.
Or wait a few months not in a rush really but it's a good deal for 7990.
Those stats LtMatt posted look real good compared to the gtx 780 which cost more.
 
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It works like any other single GPU card (from usage standpoint). The latest drivers has ironed out most of the problems the card had at launch.

But it will produce more heat than a single GPU card, so one needs a good ventilated case. That can transport the warm air expelled from the top and "bottom" of the card. Under load you will see temps of 80 - 90, so the case needs to expel as much of this fast to keep from excessively heating the innards of the rest of the case.
 
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Have tried to overclock and bench in the same scene in Crysis 3. Using Afterburner with ULPS off, and unofficial overclok with powerplay.

1100/1520 - 40 fps 65-70% usage on cores
1000/1500 - 40 fps 80-85% usage on cores

This is on 13.8 B2.

What are you others seeing?
 
lerun said:
Have tried to overclock and bench in the same scene in Crysis 3. Using Afterburner with ULPS off, and unofficial overclok with powerplay.

1100/1520 - 40 fps 65-70% usage on cores
1000/1500 - 40 fps 80-85% usage on cores

This is on 13.8 B2.

What are you others seeing?
Click to expand...

What cpu have you got and what speed is it running at?
 
lerun said:
This I can test, if I go 4.5Ghz on the CPU i should see the numbers for the GPU rise right?
Click to expand...

You should see usage increase a bit maybe. I think crysis can use up to 8/12 threads/cores though so not sure what sort of increase you'll see. Ideally you want a i7 2700k/3770k/4770k driving that 7990. Its like putting a Skoda engine in a Ferrari with your current setup. ;)
 
LtMatt said:
You should see usage increase a bit maybe. I think crysis can use up to 8/12 threads/cores though so not sure what sort of increase you'll see. Ideally you want a i7 2700k/3770k/4770k driving that 7990. Its like putting a Skoda engine in a Ferrari with your current setup. ;)
Click to expand...

It'll use 6-8 I think. It performs very well on the 8320/50 too. Unplayable on an i3.
 
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