Gainward GeForce GTX 570 GLH Graphics Card Review

11. GPU Computing13. Conclusion


Gainward GeForce GTX 570 GLH Graphics Card Review

Power / Temps / Noise

As the GTX 500 series performs power management in a different way to older cards we have changed the way we test power and temperature levels for this review. For idle power we list the full system use at the wall after sitting at the desktop with no activity for 5 minutes. Load power is the highest reading we saw for the full system when testing during this review. Temperatures are taken in the same way.

Noise levels are taken after a period of prolonged gaming in a scenario which applied maximum load to the GPU.

  Gainward GTX 570 GLH Reference GTX 570
Idle Power 154w 150w
Load Power 357w 347w
Idle Temp 38°C 39°C
Load Temp 68°C 75°C

Essentially what you can tell from the above explanation of our testing is that changes to the cards have resulted in us moving from synthetic tests such as Furmark to real world testing for power, temperatures and noise, even though the Gainward card uses a traditional power design. The results above are therefore what consumers can expect to see when using these cards themselves.

Looking first at the power use of the GLH card we see that it sits a little above the reference model, quite acceptable for an overclocked edition. The temperatures recorded on the Gainward card are much better than the NVIDIA card though, it knocks 7c off the reference design when gaming. In addition to that the GLH’s custom cooler runs quieter than the NVIDIA design which makes it even more desirable than the standard card.

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Overclocking
With a custom PCB and cooler we were keen to see how the Gainward GTX 570 GLH would perform in the overclocking test and the answer is very well. There was a decent memory overclock but the increase on our core was most impressive, not far off 200MHz above stock with a small voltage tweak in Afterburner.

  Stock Gainward OC Max OC
Gainward GTX 570 GLH - 800/1000 905/1050
Reference GTX 570 732/900 - -

Here is the impact the overclock had on our Crysis results:



Benchmark Results


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