Sapphire HD6670 Ultimate, HD6750 & HD6770 Reviewgotdamojo06 -
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Temperature testing will be accomplished by loading the video card to 100% using Crysis Warhead with MSI's Afterburner overclocking utility for temperature monitoring. I will be using a resolution of 1920 x 1200 using 8xAA. I will use a 10-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 be a 20-minute cool down with the fan speeds left on automatic in the stock speed testing and bumped up to 100% when running the overclocked idle and load testing.
- Monitoring with MSI Afterburner
- Crysis Warhead 1920 x 1200 8X AA
- 10-run sequence
- 20-minute idle duration
- Temperature measured in degrees Celsius
Lower = Better
During the Stock Load testing, the HD6770 was the coolest running card with the HD6670 Ultimate (passive cooling) behing the hottest card. This was similar during the Overclocked Load testing, the ASUS GTX 550 Ti however was the coolest, beating the HD6770 by 3°C. The HD6670 Ultimate was the hottest running card during the Overclocked Load testing.