B – Ball Grid Array (BGA) C – Desktop processor based on the LGA 1150 package with high performance graphics G1-G7 – Graphics level (processors with new integrated graphics technology only) E – Embedded F – Requires discrete graphics G – Includes discrete graphics on package H – High performance optimized for mobile performance graphics HK – High performance optimized for mobile, unlocked. Not all systems sold with HK central processing units (CPUs) are designed to exceed the stated speed of the processor. HQ – High performance optimized for mobile, quad core K – Unlocked M – Mobile P – Power and thermal efficiency with more power than U series Q – Quad-core R – Desktop processor based on BGA1364 (mobile) package with high performance graphics S – Performance-optimized lifestyle, special edition T – Power-optimized lifestyle U – Ultra-low power, mobile power efficient X/XE – Extreme edition, unlocked, high end Y – Extremely low power