Page 1:Performance Beats Features?
Page 2:ASRock 990FX Extreme9
Page 3:990FX Extreme9 Software
Page 4:990FX Extreme9 Firmware
Page 5:Asus M5A99FX Pro R2.0
Page 6:M5A99FX Pro R2.0 Software
Page 7:M5A99FX Pro R2.0 Firmware
Page 8:Gigabyte 990FXA-UD3
Page 9:990FXA-UD3 Software
Page 10:990FXA-UD3 Firmware
Page 11:Test Settings And Benchmarks
Page 12:Results: Synthetic Benchmarks
Page 13:Results: Battlefield 3 And Far Cry 3
Page 14:Results: F1 2012 And Skyrim
Page 15:Results: Audio And Video Encoding
Page 16:Results: Content Creation
Page 17:Results: Productivity And File Compression
Page 18:Overclocking Results
Page 19:Power, Heat, And Efficiency
Page 20:Who Wins This Three-Way 990FX Comparison?
Power, Heat, And Efficiency
The strangest thing about Asus’ power management software might be that, operating at its default mode, the app costs us between 25 and 30 W at idle compared to “Max Power Saving” mode or even Windows 8 running without some form of manufacturer-imposed management. Either of those options drops idle draw into the mid-60 W range. Why not switch to “Max Power Saving” mode exclusively for this test? I don't think it's realistic to expect enthusiasts to toggle between operating modes based on what they're doing. What we're testing here is a more real-world configuration.
That high idle wattage result is particularly unfortunate when we see just how much better the M5A99FX Pro R2.0 is than Gigabyte's 990FXA-UD3 at full load. Default settings appear designed to cap CPU current (and thus heat), rather than maximize performance or efficiency.
As a point of comparison, ASRock’s Intelligent Energy Saver is disabled by default.
ASRock’s multitude of tiny voltage regulator phases does a fairly good job of spreading heat across the 990FX Extreme9’s oversized heat sink.
Asus’ software plays a role in dropping the M5A99FX Pro R2.0 a percent below average, while Gigabyte’s reduced storage performance bends the ends of the curve to put ASRock 2% over the top.
More than anything, ASRock's efficiency lead is a testament to how well AMD’s hardware and firmware manages power on its own, without the intervention of software.
- Performance Beats Features?
- ASRock 990FX Extreme9
- 990FX Extreme9 Software
- 990FX Extreme9 Firmware
- Asus M5A99FX Pro R2.0
- M5A99FX Pro R2.0 Software
- M5A99FX Pro R2.0 Firmware
- Gigabyte 990FXA-UD3
- 990FXA-UD3 Software
- 990FXA-UD3 Firmware
- Test Settings And Benchmarks
- Results: Synthetic Benchmarks
- Results: Battlefield 3 And Far Cry 3
- Results: F1 2012 And Skyrim
- Results: Audio And Video Encoding
- Results: Content Creation
- Results: Productivity And File Compression
- Overclocking Results
- Power, Heat, And Efficiency
- Who Wins This Three-Way 990FX Comparison?