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Arctic Accelero Hybrid 7970 Cooler Review



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 1920x1080 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.

  • Processor: Core i7 2600K @ 4.4 GHz (100 MHz x 44)
  • CPU Cooling: Corsair H100
  • Motherboard: GIGABYTE Z68AP-D3
  • Memory: Mushkin 991996 Redline PC3-17000 9-11-10-28 16 GB
  • Video Card: XFX HD 7970 Black Edition
  • PSU: Mushkin 800W Modular
  • Hard Drives: Patriot WildFire 120 GB SSD
  • Case: Corsair 600T
  • Optical Drive: LG DVD-RW
  • OS: Windows 7 Pro 64-Bit SP1


  • Monitoring with MSI Afterburner
  • Unigine Heaven 3.0 1920x1080 8x AA
  • 5-run sequence
  • 20-minute idle duration
  • Temperature measured in degrees Celsius


  • Tested: XFX HD 7970 Black Edition 1220 MHz core 1800 MHz memory Air/Water
  • Maximum: XFX HD 7970 Black Edition 1250 MHz core 1950 MHz memory Water





Both idle and load temperatures definitely show a big difference. Another very important thing to remember is the noise factor – the Hybrid ran quietly the whole time whereas the stock cooler was plenty loud on automatic. Full speed on the stock cooler was similar to the noise of a vacuum cleaner! Thermal results are with both setups running 1220 MHz core and 1800 MHz memory. Voltage was set to maximum settings of 1.30 mV and 1.675 mV with power control at +20%. Stock clock results also include the stock cooler fan running at 100% to see its best possible performance. The Hybrid ran at full speed the whole time, as any noise it made was not discernible from the rest of the system. Confident with the cooling headroom of the Hybrid, I pushed the overclock to the edge of stability at a blistering 1250 MHz core, 1950 MHz memory! Memory voltage was increased to 1.7 mV. Pushing further resulted in artifacts. Temperatures did not show an increase between the tested and maximum overclocks.

  1. Introduction & Closer Look
  2. Closer Look (Continued)
  3. Specifications & Features
  4. Testing: Setup & Results
  5. Conclusion
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