Featured Articles

Analysts expect ARM to do well next year

Analysts expect ARM to do well next year

British chip designer ARM could cash in on the mobile industry's rush to transition to 64-bit operating systems and hardware.

More...
Huawei and Xiaomi outpace Lenovo, LG in smartphone market

Huawei and Xiaomi outpace Lenovo, LG in smartphone market

Samsung has lost smartphone market share, ending the quarter on a low note and Xiaomi appears to be the big winner.

More...
Intel Broadwell 15W coming to CES

Intel Broadwell 15W coming to CES

It looks like Intel will be showing off its 14nm processors, codenames Broadwell, in a couple of weeks at CES 2015.

More...
Gainward GTX 980 Phantom reviewed

Gainward GTX 980 Phantom reviewed

Today we’ll be taking a closer look at the recently introduced Gainward GTX 980 4GB with the company’s trademark Phantom cooler.

More...
Zotac ZBOX Sphere OI520 barebones vs Sphere Plus review

Zotac ZBOX Sphere OI520 barebones vs Sphere Plus review

Zotac has been in the nettop and mini-PC space for more than four years now and it has managed to carve…

More...
Frontpage Slideshow | Copyright © 2006-2010 orks, a business unit of Nuevvo Webware Ltd.
Wednesday, 12 January 2011 14:28

PowerColor HD 6870 PCS+ tested - 6. Overclocking, Temperatures, Consumption

Written by Sanjin Rados
thumb

Review: Batmobile in action again



Overclocking

HD 6870’s reference clocks are 900MHz for the GPU and 1050MHz for the memory, and our today’s PowerColor cards clocks are 940MHz for the GPU and 1100MHz for the memory. We relied on MSI’s Afterburner for our overclocking. We managed to hit 985MHz for the GPU but only after we increased the voltage.

We managed to hit 960MHz for the GPU and 1100MHz for the memory by running the card on factory voltage and with the fan in AUTO mode, it resulted in additional 4% better results in Aliens vs. Predator. Overclocking to  985MHz GPU provided another 2% boost to results.

gpuz__6870_pcs

6870_powercolor_pcs_afterburner_ref

gpuz__6870_pcs_OC

6870_powercolor_pcs_afterburner_volt



Thermals and Noise

PowerColor HD 6870 PCS+ didn’t exceed 86°C during our tests. The cooler was almost inaudible in idle operation (42°C). Although PowerColor’s card runs a few °C higher than the reference card, you’re still in the safe zone. On the other hand, the cooler wasn’t loud, not even in intensive GPU operation. Naturally, you can always turn to Catalyst Overdrive and meddle a bit to find your preferred temperature-noise ratio.


Power Consumption

HD 6870 consumes 19W in idle and 151W during operation whereas the 6850 draws 19W when idle and 127W during operation.

We measured our entire rig's consumption after stressing the graphics with FurMark. The tests show that HD 6870’s consumption is similar to the GTX 460 1GB. PowerColor HD 6870 PCS+ consumes about 15W more that the reference card.

(Page 6 of 7)
Last modified on Tuesday, 18 January 2011 21:30
blog comments powered by Disqus

 

Facebook activity

Latest Commented Articles

Recent Comments