Sapphire HD 7950 Vapor-X 3 GB Review 44

Sapphire HD 7950 Vapor-X 3 GB Review

Temperatures & Clock Profiles »


The overclocking results 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, which is why our results here can only serve as a guideline for what you can expect from your card.

The maximum stable clocks of our card are 1135 MHz core (34% overclock) and 1635 MHz memory (31% overclock).

Maximum Overclock Comparison
Max. GPU ClockMax. Memory Clock
Sapphire HD 7950 Vapor-X1135 MHz1635 MHz
Sapphire HD 7950 Flex1025 MHz1865 MHz
MSI HD 7950 TF III1020 MHz1650 MHz
PowerColor HD 7950 PCS+1075 MHz1775 MHz
AMD HD 79501085 MHz1785 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,
determined 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 31.5% (vs. stock) and 25.7% (vs. Boost BIOS).
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