Overclocking

To find the maximum overclock of our card we used a combination of GPUTool and our benchmarking suite.
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.



On our sample we could reach a maximum stable clock speed of 1058 MHz core (11% overclock) and 1170 MHz Memory (9% overclock).

The GPU overclock is quite nice and rivals the record 1067 MHz that we have seen from the ASUS GTX 550 Ti. Memory does not seem to overclock too well with the lowest result in our GTX 550 test group.

Overclocked Performance

Using these clock frequencies we ran a quick test of Call of Duty 4 to evaluate the gains from overclocking.


The actual 3D performance gained from overclocking is 10.1%.

Temperatures

Temperatures of the card are very low in all tests. Due to the high load noise I would have preferred higher 3D temps, maybe in the 70s in return for reduced fan noise.

Voltage Tuning

Voltage tuning via NVIDIA's driver is not possible on the card, there are no increased voltages that can be set.

Clock Profiles

Modern graphics cards have several clock profiles that are selected to balance power draw and performance requirements.
The following table lists the clock settings for major performance scenarios and the GPU voltage that we measured. We measure on the pins of a coil or capacitor near the GPU voltage regulator.