Next Generation Intel Haswell Microarchitecture

Voltage Override Modes

•Default V/f curve (SVID operation)

•Positive / Negative offset applied to the entire curve. Important for mainstream overclocking.

Fused V/f

non-turbo

turbo XE

 

 

 

 

 

 

volts

freq

Offset V/f

non-turbo

turbo XE

 

 

 

 

 

 

volts

freq

Interpolation V/f

non-turbo

turbo XE

 

 

 

 

 

 

volts

freq

Override V/f

non-turbo

turbo XE

 

 

 

 

 

 

volts

freq

•Interpolation (adaptive) in the overclocking region

•Override applied to the entire curve. Important for extreme OC.

iVR provides flexibility consistent with all margining modes generally supported by current19 generation external VR designs

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