VTX3D HD 7970 X-Edition 3 GB Review 13

VTX3D HD 7970 X-Edition 3 GB Review

Temperatures & Clock Profiles »

Overclocking

The overclocks listed in this section were achieved with the default fan and voltage settings as defined in the VGA BIOS. Please note that every single sample overclocks differently, that's why our results here can only serve as a guideline for what you can expect from your card.



Maximum stable clocks of our card are 1100 MHz core (5% overclock) and 1750 MHz Memory (23% overclock).

Manual overclocking works a little bit better than the AMD reference design, but the difference is not huge.

Maximum Overclock Comparison
Max. GPU ClockMax. Memory Clock
VTX3D HD 7970 X-Edition1100 MHz1750 MHz
MSI HD 7970 Lightning1210 MHz1850 MHz
AMD HD 79701075 MHz1715 MHz
Important: Each GPU (including each GPU of the same make and model)
will overclock slightly differently based on random production variances.
This table just serves to provide a list of typical overclocks for similar cards,
reached during TPU review.


Overclocked Performance

Using these clock frequencies we ran a quick test of Battlefield 3 to evaluate the gains from overclocking.


Actual 3D performance gained from overclocking is 9.4%.
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