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Monday, 14 February 2011 16:25

Sapphire HD 6970 Battlefield: Bad Company 2 Vietnam reviewed - 9. Overclocking; Thermals; Noise; Consumption

Written by Sanjin Rados
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Review: Gift game included


Overclocking

Overclocking capabilities of Sapphire HD 6970 Battlefield: Bad Company 2 Vietnam is comparable to most other HD 6970 cards. Reference GPUs run at 880MHz and we managed to push it by another 65MHz, to 945MHz. Our overclock involved Sapphire TriXX tweak utility but since the card does not support voltage tweaking, TriXX's voltage sliders were unusable. We used auto fan rpm throughout the test.

trixx_ref

trixx_oc


Noise.

Unfortunately, we can't quite say we liked the card for its silence as our overclock, modest as it was, made it go really loud. The fan occasionally went so fast that it really made for pretty uncomfortable sessions.

Without overclocking, Sapphire's HD 6970 Battlefield runs normal - the fan is not quite inaudible, but it's not loud either. When idle, the card remains pretty quiet



Thermals

GPU temperatures remain in normal limits and won't exceed 89°C. Our overclock pushed the GPU to 92°C. You can increase the fan rpm and lower the temperatures to below 70°C, but we chose not to test that scenario - the card was simply too loud.

sapphire_6970_gpzu

gpuz_idle

gpuz_load

gpzu_oc_values


Power Consumption

Radeon HD 6970 consumes around 22W when idle, which is a few W better than GTX 570. Compared to the same card, maximum consumption is also better by about 10W. Of course, Sapphire's card is no different than the reference card so its consumption is basically that of the reference card.

 

(Page 9 of 10)
Last modified on Thursday, 17 February 2011 15:42
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