Madshrimps Forum Madness

Madshrimps Forum Madness (https://www.madshrimps.be/vbulletin/)
-   WebNews (https://www.madshrimps.be/vbulletin/f22/)
-   -   DUH! News of the Day: Overheating ATI GPU causes downclocking (https://www.madshrimps.be/vbulletin/f22/duh-news-day-overheating-ati-gpu-causes-downclocking-68034/)

jmke 25th November 2009 12:16

DUH! News of the Day: Overheating ATI GPU causes downclocking
 
“With the core at 875MHz, the average frame rate was sitting at a fairly constant 115FPS. However after just 40 seconds temperatures exceeded 100 degrees and shortly after this the Radeon HD 5970 overclocking problem presented itself,” wrote the reviewer.

The frequency of both cores dropped to just 550MHz, which was a 24% decrease from the stock clock, and the average frame was also reduced to 90FPS, seeing a 22% drop in performance.


http://en.expreview.com/2009/11/25/a...ng-issues.html

leeghoofd 25th November 2009 12:19

Asus MARS cards revisited ?

Kougar 26th November 2009 01:43

Quote:

Originally Posted by leeghoofd (Post 249340)
Asus MARS cards revisited ?

No, this is the 5970, apparently the OCing issues are from the VRM's throttling the core back even with the fan at 100%.

If you look at Anandtech's breakdown on the topic, seems that one bank of VRM's isn't being cooled by anything other than a strip of metal. Anyone wanting to take advantage of ATI's overclocking claims will need to find a way to cool the VRM's...

leeghoofd 26th November 2009 11:57

yeah that was what I meant, with a double GPU a drop in performance due to thermal throttling, Asus issue was bad GPU cooling , this is VRM's... incredible this

jmke 26th November 2009 11:58

not incredible at all; it works without issue at stock clocks ;)
the moment you go beyond default, you are on your own :)

Kougar 26th November 2009 23:36

Quote:

Originally Posted by jmke (Post 249413)
not incredible at all; it works without issue at stock clocks ;)
the moment you go beyond default, you are on your own :)

Out of all the previous GPUs, the 5970 is the most aggressively marketed for overclocking by ATI...

If light overclocking + games is enough to overheat the VRM's, I expect they will be the point of failure pretty early in the card's lifespan.

jmke 27th November 2009 07:47

there is a reason they pulled their overvoltage tool;)


All times are GMT +1. The time now is 09:21.

Powered by vBulletin® - Copyright ©2000 - 2024, Jelsoft Enterprises Ltd.
Content Relevant URLs by vBSEO