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Wednesday, 22 December 2010 09:37

Gainward GTX 570 Golden Sample Goes Like Hell reviewed - 7. Overclocking, Power Consumption

Written by Sanjin Rados
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Review: It really does go like hell

Overclocking


Without voltage changes and at AUTO fan settings, our overclocking resulted in 875MHz for the GPU. This is not a bad result all things considering but if you crave more, you’ll have to resort to upping the voltage. Gainward GTX 570 GS GLH allows for voltage changes via the Afterburner tool, which we used. The card runs at default 1000mV whereas upping it to 1150mV allowed us to push the GPU to 950MHz and the memory to 4200MHz (effectively).

gainward_gtx_570_gs_glh_def_voltage

gainward_gtx_570_gs_glh_oc_voltage

avp3
avp4

Thermals

Idle temperatures were around 46°C whereas intensive operation resulted in about 77°C, which is pretty nice. Our overclocking raised GPU temerature up to 85°C.

load_temp_default_clock


Noise

The fans are not too loud but are louder than on the reference card. Although we expected a bit quieter operation in intensive GPU utilization scenarios, we were pretty happy with idle “noise” as the card was almost inaudible.

Although the fan tachometer doesn’t report RPM variations, our test card made a somewhat howling, high frequency noise. It is possible that this is a mechanical fan flaw and it could be an isolated case. Good thing about the cooler is that it keeps the card 8°C cooler than the reference card (77°C compared to reference cards’ 85°C).



Power consumption

powe_rGTX_570

Gainward GTX 570 GS GLH's higher consumption is partly due to the factory overclock and partly for different power regulation. If you recall, Nvidia made a consumption regulator which prevents the GTX 570 from exceeding predefined consumption.

(Page 7 of 8)
Last modified on Thursday, 22 September 2011 10:24
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