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Right on, happy to have helped in some way! :)
I've got the 7970's all buttoned up and posted for sale on CL so I can't show you any
more disassembled pics, but I took some additional assembled pics to hopefully clarify
things for you.
Looking directly from the top, you can see the edge...
This is the second time it's been mentioned that somehow cutting off the tail end of the
core heatsink affects the temps in a negative fashion in regards to this particular
brand and model of card... it doesn't. I've shown it to not happen. Before I cut it off, I
physically touched the...
UPDATE #2: Ok, finally got the Fujipoly 11w/mk thermal pads in and all I have to say is
WOW. :D
Running the 7970 at stock settings (1000/1425) and fan speed at 50%, I ran Furmark
until temps leveled out. Furmark settings were 1080p and 8xMSAA:
https://imageshack.com/i/f0hb2LLgp
VRM...
UPDATE: Regarding the 7990, the cooler MSI has on it is finned all the way through
so air can easily reach the backplate attached to the VRM's. My only hope in reducing VRM
temp any further is by replacing the stock thermal pads with Fujipoly 11W/mk pads.
Ordered up a 1/4 sheet each of...
Honestly, this was sort of a shot in the dark for me too, so it could very well have made core
temps go up... happy to say it didn't though lol
As for the potential for just prying or straightening the fins out where it flattens at
the bottom, I'm taking apart my 7990 tonight and seeing...
Thanks for kudos guys. If anyone has done it yet, feel free to post up your experience!
I've got a 7990 that I'll be taking apart tonight and doing this too as well, will post pics and results
when it's done! :)
Here's the thing... I had previously removed the heatsink and repasted and replaced the VRM pads with higher performance one's. Little to no difference. Now that I have cut the heatsink not only are the VRM's supplied with a constant supply of direct fan air, the core itself is lower by a few...
I have no idea how hot your VRM's are, but if they were anything like mine (and I was
experiencing artifacting as well like you) then you're probably going to want to do
something like what I did and chop off the bit of heatsink covering the VRM area.
XFX made the aluminum heatsink finned...
Only way to know for sure is to check it out for yourself... if it's a vapor cooled heatsink then it would be harder to remove the fins as there's tubes attached along the length of it. It would more than likely be possible still, just harder to make space for air to travel through without it...
Hey all,
Registered just so I could share my fix with everyone else still running most versions of
the infamous XFX 7970's (DD, BE, etc.)
Common issues are artifacts, throttling and glitching, mostly caused by high VRM temps.
After using them for a year and trying to ignore the...