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Do AMD products consume more power then their counter parts?

post #1 of 5
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Do AMD products consume more power then their counter parts? Is their TDP measured differently?
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post #2 of 5
I think the TDP measurement is the same. as for power consumption, it depends on the part.
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post #3 of 5
Intel has the lead on instruction/watt efficiency right now in the grand scheme of things. The margin varies depending on what is being compared, and it's important to keep in mind that AMD offers chips at low price points that offer the user flexibility in voltage/clocks that can be tweaked to run very efficiently as well.
     
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post #4 of 5
well it makes sense they are running smaller chips. they son't seem to be running any cooler though.
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post #5 of 5
Temperature has very-nearly-nothing to do with dissipated power. Case in point, when a stock HSF is upgraded to an aftermarket cooler, the temperature of the chip drops significantly, but the dissipated power does not change notably unless the user changes the voltage, or clocks, or loads. Furthermore the temperature reported by chips can't even be compared as they are often using different methods to derive temperature readings anyway. Further still, reducing the physical size of a chip, causes a reduction in thermal conductivity available to the HSF.

Even Intel Sandy bridge (32nm process) produced (and still produces) greater compute efficiency than modern AMD 32nm offerings. Sandy bridge was a very mature and well refined design right out of the gate, while the release of bulldozer was, to put it kindly, extraordinarily unpolished on release. The AMD architecture is still incurring much higher "miss" rates internally (wasted cycles, high cache latency issues, poorer scheduling and prediction).

That said, an FX-8320 for ~$150 could undoubtedly be "tweaked" by an end user (Something that intel doesn't offer the option to do until over $200 CPUs) to a lower voltage, mild under-clocking, to achieve a compute efficiency that is competitive with intel "stock settings" chips.
     
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PowerCase
Seasonic G 550W Modular Fractal Design Core 3500 
CPUMotherboardGraphicsRAM
FX-6300, 4.7 GHZ@1.43V GA-970A-UD3P GTX 460 768MB Mixed DIMMs. 2x4GB + 2x8GB @ 1600-8-8-8 
Hard DriveHard DriveHard DriveHard Drive
Toshiba THNSNH 19nm 256GB 1TB Spinpoint F3 WD RE3 1TB WD RE3 1TB 
Optical DriveCoolingOSOS
yes CM Seidon 120V SolydK OpenSuse 13.1 
OSOSMonitorMonitor
Linux Mint 9-32 bit // Linux Mint 17-64 bit  Manjaro Xfce Samsung 21.5" HannsG 21.5" sideways! 
KeyboardPowerCaseMouse
Sticky ATNG Rosewill Green 630W NZXT Gamma Basic Microsoft corded 
CPUMotherboardGraphicsRAM
A10-6800k 4.8GHZ @ 1.375V, 1.2GHZ iGPU Gigabyte GA-F2A85XN-WIFI HD8670D Ripjaws 
Hard DriveOptical DriveCoolingOS
Seagate ST1000DM003 Asus BC-12B1ST/BLK/B/AS Zalman CNPS5X Linux Mint 15 
MonitorKeyboardPowerCase
LG IPS224V-PN Logitec K360 FSP 400W Aurum S 80+ gold Prodigy 
Mouse
logitec M235 
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CPUMotherboardGraphicsRAM
FX-8350 990X EVO R2.0 Sparkle GTX460 768MB ballistix tactical 2 x 8GB 
Hard DriveHard DriveOptical DriveCooling
Toshiiba THNSNH 256GB Enterprise RE3 1TB Asus BD combo drive Artic A30 
OSMonitorMonitorMonitor
Manjaro Linux Samsung 21.5" LCD E2009WFP E2009WFP 
PowerCase
Seasonic G 550W Modular Fractal Design Core 3500 
CPUMotherboardGraphicsRAM
FX-6300, 4.7 GHZ@1.43V GA-970A-UD3P GTX 460 768MB Mixed DIMMs. 2x4GB + 2x8GB @ 1600-8-8-8 
Hard DriveHard DriveHard DriveHard Drive
Toshiba THNSNH 19nm 256GB 1TB Spinpoint F3 WD RE3 1TB WD RE3 1TB 
Optical DriveCoolingOSOS
yes CM Seidon 120V SolydK OpenSuse 13.1 
OSOSMonitorMonitor
Linux Mint 9-32 bit // Linux Mint 17-64 bit  Manjaro Xfce Samsung 21.5" HannsG 21.5" sideways! 
KeyboardPowerCaseMouse
Sticky ATNG Rosewill Green 630W NZXT Gamma Basic Microsoft corded 
CPUMotherboardGraphicsRAM
A10-6800k 4.8GHZ @ 1.375V, 1.2GHZ iGPU Gigabyte GA-F2A85XN-WIFI HD8670D Ripjaws 
Hard DriveOptical DriveCoolingOS
Seagate ST1000DM003 Asus BC-12B1ST/BLK/B/AS Zalman CNPS5X Linux Mint 15 
MonitorKeyboardPowerCase
LG IPS224V-PN Logitec K360 FSP 400W Aurum S 80+ gold Prodigy 
Mouse
logitec M235 
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