Next Generation Intel Haswell Microarchitecture

Voltage Planes for Performance Tuning

VCCIN Core

Cores

Last Level Cache

iVR

Ring

 

Ring

pGfx pGfx

IOA,IOD

SA

DDR

System

Agent

PCIe*

DMI

VDDQ

• 1.5V Nom for DDR3

• <=1.65V for XMP

• 1.35V Nom for DDR3L

• VSA, VIOA,

VIOD: Up to 500mV

•VCCIN: SVID 1.8V Nom up to 2.3V+, static V up to 3.04V

•VCORE: dynamic additional V, static V up to 2.0 V

•VRING: dynamic additional V, static V up to 2.0 V

•VGT: dynamic additional V, static V up to 2.0 V

18PCIe* = PCI Express*

Offset V from nominal