Reviews

Cheap, but not cheap: KFA2 / Galax GeForce GTX 1070 Ti EX in review

Overclocking

The limits of this card are identical to those of competitors with similar Power Target. With an adjustable Power Target of 127%, the card approved almost 213 watts and was already slowed down by the voltage and unfortunately also the power. We were able to increase the GPU clock by 200 MHz and the memory clock by 150 MHz to achieve a stable result over a longer period of time.

Temperatures and clock rates

First, we compare the achieved start and end values for temperatures and GPU clock (boost) in tabular form:

  Initial
Final value
Open Benchtable
GPU Temperatures
29 °C 71 °C
GPU clock 1873 MHz 1797 MHz
Ambient temperature 22 °C 22 °C
Closed Case
GPU Temperatures
30 °C 72 °C
GPU clock 1873 MHz 1797 MHz
Air temperature in the housing 22°C 41°C
OC (Open Benchtable)
GPU temperatures (approx. 2300 rpm) 29 °C 73 °C
GPU clock 2101 MHz 2050 MHz
Ambient temperature 22°C 22°C

Overview Graphs: Temperatures vs. Clock

For better illustrations now again the respective courses considering our timeline of a total of 15 minutes each for the warm-up time.

Thermal analysis of the back of the board

Finally, we consider the thermal analysis of the respective load states.

Gaming and overclocking

We see that pretty much all areas stay cool with the gaming loop, because the airflow is sufficiently dimensioned. However, you try to stay well below 75°C with the GPU so as not to lose too many boost steps.

This also applies to the use in a closed housing, where we average on the board only by approx. three degrees higher temperatures.

If we overclock at most, but leave the fans to themselves and close the housing, this draught is sufficient at then approx. 213 watts power consumption to stay at least below 77°C for the GPU. The voltage converters provide approx. 76°C does not pose any risk. The higher fan speeds are also the reason why VRM and memory end up a tick cooler despite increased power consumption.

Stress

The stress test shifts the temperature load more towards memory and memory VRM, but everything stays almost as cool as the gaming loop.

Also in the closed housing, this time it is approx. three to four degrees more at the neuralgic points, nothing more. You can still live comfortably with it

Warm-up and cooling phase

Finally, we look at these two processes, in which the images show well where the most heat is generated or where the heat is generated. where the cooling starts most directly.

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About the author

Igor Wallossek

Editor-in-chief and name-giver of igor'sLAB as the content successor of Tom's Hardware Germany, whose license was returned in June 2019 in order to better meet the qualitative demands of web content and challenges of new media such as YouTube with its own channel.

Computer nerd since 1983, audio freak since 1979 and pretty much open to anything with a plug or battery for over 50 years.

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