Asus Matrix HD 7970 Platinum Reviewairman -
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Temperature testing will be accomplished by loading the video card to 100% using Unigine's Heaven Benchmark Version 3.0, with MSI's Afterburner overclocking utility for temperature monitoring. I will be using a resolution of 1920x1200 using 8xAA and a five-run sequence to run the test, ensuring that the maximum thermal threshold is reached. The fan speed will be left in the control of the driver package and video card's BIOS for the stock load test, with the fan moved to 100% to see the best possible cooling scenario for the overclocked load test. The idle test will involve a 20-minute cool-down, with the fan speeds left on automatic in the stock speed testing and bumped up to 100% when running overclocked.
- Monitoring with MSI Afterburner
- Unigine Heaven 3.0 1920x1200 8x AA
- 5-run sequence
- 20-minute idle duration
- Temperature measured in degrees Celsius
The temperatures this card achieves are kind of all over the table, but they are meaningful. Stock idle, the card is completely silent as the fans only run around 1000RPM. Stock load, you can see the cooling advantage this card has over other HD 7970s where their temperatures exceed ASUS' DirectCU II system by almost 20 °C all while being very quiet! Overclocked idle is about the same as stock idle: higher on the graph but that's only because the fans produce hardly any noise. 40 °C idle is perfectly fine for a modern GPU. The overclocked load is where it changes. You would also expect a lower than average temperature here, but this card can handle a lot more voltage than the other cards, if they can even add voltage at all. Even at 69 °C, it's fully loaded at 1.3GHz on the core and breaking the 7GHz barrier on the memory. I can't complain at all.