• Competitor rules

    Please remember that any mention of competitors, hinting at competitors or offering to provide details of competitors will result in an account suspension. The full rules can be found under the 'Terms and Rules' link in the bottom right corner of your screen. Just don't mention competitors in any way, shape or form and you'll be OK.

*** Official AMD 7990 Owners Thread ***

Hmmmm....

my 3Dmark firestrike scores have gone down from being better than 95% of all results to 89%, IceStorm and CloudGate are lower too.

http://www.3dmark.com/3dm/1789489

Matt can a lower voltage effect the cards performance when benching? I was on 2000mV but am now on 1150mV.

(Also CPU related, should the results show my CPU overclock as it doesn't?)

*EDIT*

Second test on 1200mV

http://www.3dmark.com/3dm/1790116

Still only better than 93%, and am still unsure if the CPU overclock is being picked up.
 
Last edited:
Perhaps you don't have quite enough voltage for it to be fully stable. I will run a test tomorrow with 1.135v and 1.200v to see if theres any difference in mine.

Thanks, appreciate that. :)

It's strange as all games and benchmarks run fully, it just seems benchmark scores are lower with less volts. Which is a shame as it is great for temps. Also do you know how I get my CPU overclock to show on 3Dmark results (slighty off the subject I know)
 
Last edited:
There might be something wrong with my MSI 7990. When I let my PC idle, the 7990 acts as though it is under load with GPU temps rocketing to 80c+ and fan speed going up on GPU and the PSU. I've uninstalled drivers, flashed a different bios but still have the same problem.

PSU is a OCZ ZT 750W and OS is Windows 8.1.

Any idea what's going on?
 
There might be something wrong with my MSI 7990. When I let my PC idle, the 7990 acts as though it is under load with GPU temps rocketing to 80c+ and fan speed going up on GPU and the PSU. I've uninstalled drivers, flashed a different bios but still have the same problem.

PSU is a OCZ ZT 750W and OS is Windows 8.1.

Any idea what's going on?

Possible bitcoin virus?
 
I do have Malwarebytes Anti-Malware installed and haven't installed any suspicious programs lately. It didn't happen with my 7950 which I removed from this PC yesterday.

I remember having a similar issue and it was a bitcoin virus which managed to get past my Ad-aware / spybot search and destroy and my AVG virus scanner.

I think I googled how to get rid. Open task manager and see if there is anything operating which is unusual.
 
Had my second 7990 running since Monday evening (earned me about £40 since then!) so I thought I'd give it a break - I turned the miners off, rebooted to play some games ... Crysis 3 on max settings + 8xSMAA was somewhat laggy .. but with 4xSMAA is was lovely on 1600p - no overclock on the cards, just set power to 20% and the game was sweet as, noticibly a bit smoother than 7990/7970 and all GPUs well used. BF4 was great ... but I did not notice any real difference to 7990/7970.

However, its done 2 days mining straight and now it crashes exiting Crysis 3 needing a power off/on cycle. :mad:

Amazing bit of kit for the money ... should have bought more and cashed in :D
 
There might be something wrong with my MSI 7990. When I let my PC idle, the 7990 acts as though it is under load with GPU temps rocketing to 80c+ and fan speed going up on GPU and the PSU. I've uninstalled drivers, flashed a different bios but still have the same problem.

PSU is a OCZ ZT 750W and OS is Windows 8.1.

Any idea what's going on?

Disable ULPS via afterburner, assuming you don't have a bitcoin virus.
 
I installed this beast yesterday. It is a new rig built from scratch, so still have a lot of things to do :)!. It was idling at 56C though, but it was close to the radiator, I am wondering if this temp is Okay?

Today I'll be implementing Matt's tweaks and OC. I also have to OC the CPU too. I think the rule here is to stabilise CPU OC then proceed to GPU, is it not?
 
I installed this beast yesterday. It is a new rig built from scratch, so still have a lot of things to do :)!. It was idling at 56C though, but it was close to the radiator, I am wondering if this temp is Okay?

Today I'll be implementing Matt's tweaks and OC. I also have to OC the CPU too. I think the rule here is to stabilise CPU OC then proceed to GPU, is it not?

Do you have more than one monitor? If so its normal to have idle temps in the 50c range.
 
I installed this beast yesterday. It is a new rig built from scratch, so still have a lot of things to do :)!. It was idling at 56C though, but it was close to the radiator, I am wondering if this temp is Okay?

Today I'll be implementing Matt's tweaks and OC. I also have to OC the CPU too. I think the rule here is to stabilise CPU OC then proceed to GPU, is it not?

Ignore double post. Damn forum.
 
No only one @ 144Hz though. Do you reckon I should start with CPU OC or GPU OC?

Btw I have my case fans connected to the MOBO, I assume they are controlled automatically by the system depending on temps. How could I manually bump them up a bit so GPU gets more love?

I think with a 144hz screen the gpu runs in a slightly higher clock state, so that could be why the idle temp is slightly higher. :)
 
Hmmmm....

my 3Dmark firestrike scores have gone down from being better than 95% of all results to 89%, IceStorm and CloudGate are lower too.

http://www.3dmark.com/3dm/1789489

Matt can a lower voltage effect the cards performance when benching? I was on 2000mV but am now on 1150mV.

(Also CPU related, should the results show my CPU overclock as it doesn't?)

*EDIT*

Second test on 1200mV

http://www.3dmark.com/3dm/1790116

Still only better than 93%, and am still unsure if the CPU overclock is being picked up.

Perhaps you don't have quite enough voltage for it to be fully stable. I will run a test tomorrow with 1.135v and 1.200v to see if theres any difference in mine.

There might be something wrong with my MSI 7990. When I let my PC idle, the 7990 acts as though it is under load with GPU temps rocketing to 80c+ and fan speed going up on GPU and the PSU. I've uninstalled drivers, flashed a different bios but still have the same problem.

PSU is a OCZ ZT 750W and OS is Windows 8.1.

Any idea what's going on?

Oh Matt..... :D

I promise I'll not ask anything else for a while :eek:
 
Back
Top Bottom