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Saturday, 09 April 2011 06:16

PoV / TGT GTX 590 Ultra Charged reviewed - 9. Overclocking, Noise, Thermals

Written by Sanjin Rados
tgt-590-uc-card-thumb
Review: A very fast GTX 590

Overclocking

Point of View / TGT je pushed its GTX 590 Ultra Charged from reference 607MHz to 692MHz for the GPU.

gtx590_tgt_uc_692mhz_gpuz

The factors that may make overclocking more difficult are thermals and GTX 590’s voltage. Note that Nvidia suggests water cooling for more extreme clocks.  Air cooling is of course a cheaper solution and thus most partners use that, although several non-reference coolers have been announced.

Since we’re talking about an air cooled card, we were quite pleased with TGT’s overclock. Looking at other GTX 590 overclock results, it’s pretty clear that not all GTX 590s will run at 690MHz or higher, although some may be pushed beyond 750MHz. Thus, if you’re lucky, you may get a card with a chip that will support all your overclocking desires. GTX 590 has limited overclocking potential, at least until overvoltaging and better cooling come into play. Our test GTX 590 UC ran at 962mV while most other GTX 590s feature lower voltages.

tgt_590_uc_afterburner

The picture below shows Gainward's reference GTX 590 card's voltage.

gainward_gtx_590_afterburnet

All PoV/TGT GTX 590 UC cards have been meticulously tested before being branded UC, and they’re guaranteed to run at 692MHz for the GPU. We attempted to overclock it further, and it was a breeze. We pushed the GPU to 740MHz but we couldn’t complete all the tests beyond 725MHz.

tgt_590_uc__gpuz_oc

TGT’s factory overclock will provide maximum 12-14% better results compared to reference GTX 590. Further overclocking brought about a 2% performance increase in gaming tests.

TGT GTX 590 Beast will soon hit the shelves and we hope that this water cooled card will be ready for extreme overclocking.


Thermals and Noise

Reference GTX 590’s GPU hits 88°C during gaming. Despite the overclock, GTX 590 UC’s thermals ended up pretty much identical to the reference card. GTX 590 UC’s fan can be heard but it’s not too loud.

gtx590_tgt_uc_692mhz_gpuz_idle

tgt_oc_takt

tgt_oc_temp

Our test rig drew about 60W more with GTX 590 UC than with the reference GTX 590.



(Page 9 of 10)
Last modified on Wednesday, 13 April 2011 14:00
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Comments  

 
+4 #1 Nerdmaster 2011-04-12 17:24
The card performs worse sometimes at 740MHz that 690MHz. (power limiting technology)
 
 
-4 #2 Warrior24_7 2011-04-12 17:44
The 590 is a better card than the $h!tty990 on all fronts. Its smaller, quieter, cooler, faster in most games, and less power hungry. Nvidia purposely lowered the clocks on this card.
 
 
-2 #3 24_7Warrior_killer 2011-04-12 18:32
Hay winer24_7 how come we have not heard from your sorry ass since 590 launch day!!take a long time to eat all that nshitia.
 
 
0 #4 pchacker 2011-04-15 01:31
Quoting Warrior24_7:
The 590 is a better card than the $h!tty990 on all fronts. Its smaller, quieter, cooler, faster in most games, and less power hungry. Nvidia purposely lowered the clocks on this card.


Actually the 590 is much more power hungry
http://www.techpowerup.com/reviews/ASUS/GeForce_GTX_590/21.html

356 watts for the 590 vs 301 for the 6990
 

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