Legit Video Card Reviews
AMD Radeon HD 7950 & XFX R7950 Black Edition Video Card Review
| Manufacturer: | XFX |
| Product: | FX-795A-TDBC |
| Date: | Mon, Jan 30, 2012 - 11:00 PM |
| Written By: | Nathan Kirsch - |
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Power Consumption
For testing power consumption, we took our test system and plugged it
into a Kill-A-Watt power meter. For idle numbers, we allowed the system
to idle on the desktop for 15 minutes and took the reading. For load
numbers we measured the peak wattage used by the system while running
the OpenGL benchmark FurMark 1.9.1 at 640x480 resolution. We also ran the game HAWX 2 and looped the benchmark three times and recorded the highest Wattage seen on the meter.
The AMD Radeon HD 7000 series has a new technology called ZeroCore Power, which shuts down the GPU during periods of long idle (when the screen goes to sleep). When the GPU goes to the power state the fan stops spinning and the GPU core itself consumes 0W while the rest of the PC is still running. This is a really interesting feature and we found that it works great. After the system is at long idle the video card basically shuts down and goes to sleep. With a single AMD Radeon 7950 card in our test system the idle power was down to 86 Watts.
One of the main reasons AMD developed this technology was from feedback from CrossFire users as they didn't need all those cards running when at idle as they produce noise and heat when it isn't necessary.
Next Page - Temperature & Noise Testing
| Review Index |
|
Page 1 - AMD & XFX Radeon HD 7950 Video Cards
Page 2 - XFX Retail Box and Bundle Page 3 - The Test System Page 4 - Batman: Arkham City Page 5 - Battlefield 3 Page 6 - Deus Ex: Human Revolution Page 7 - DiRT 3 Page 8 - H.A.W.X. 2 Page 9 - Just Cause 2 Page 10 - Metro 2033 Page 11 - 3DMark 11 Page 12 - Power Consumption Page 13 - Temperature & Noise Testing Page 14 - Radeon HD 7950 Video Card Overclocking Page 15 - Final Thoughts and Conclusions |
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