Intel Socket G3

Socket G3, also known as rPGA 946B/947[1] or FCPGA 946,[2] is a socket for Intel microprocessors that supports Haswell-based mobile CPUs. Compatible SKUs have an 'M' suffix in the model number.[2]

Not to be confused with AMD Socket G3.
Socket G3
TyperPGA
Chip form factorsFlip-chip pin grid array
Contacts946
FSB protocolDMI
Processors
Intel "Haswell-MB" (22 nm)
Core i7 Dual-Core
i7-4600M, i7-4610M
Core i7 Quad-Core
i7-4700MQ, i7-4702MQ,i7-4710MQ, i7-4712MQ, i7-4800MQ, i7-4810MQ, i7-4900MQ, i7-4910MQ, i7-4930MX,i7-4940MX
Core i5 Dual-Core
i5-4200M, i5-4210M, i5-4300M, i5-4310M, i5-4330M, i5-4340M
Core i3 Dual-Core
i3-4000M, i3-4010M, i3-4100M, i3-4110M
Pentium Dual-Core
3550M, 3560M
Celeron Dual-core
2950M, 2970M
PredecessorrPGA 988B
Successornone
This article is part of the CPU socket series

Socket G3 is designed as a replacement for the Socket G2, which is also known as rPGA 988B. Socket G3 has holes to make contact with 946 or 947 pins of the processor's pin grid array (PGA).[1][3]

Lynx Point is the Platform Controller Hub (PCH) associated with Socket G3.[4]

Socket rPGA 947 has one extra pin hole, other than that it is identical to socket G3. It is the last pin grid array socket for Intel's mobile processors - all mobile processors in microarchitectures succeeding Haswell are exclusively available in BGA packaging. Advanced Micro Devices also adopted same practice, starting with Steamroller microarchitecture.

See also

References
  1. Datasheet for Haswell M CPUs, see section 8.1, "Package Mechanical Specifications"
  2. Intel ARK list of CPUs with socket FCPGA946
  3. Test of PGA946 CPUs Intel Core i7-4700MQ
  4. Knight, Shawn. "Leaked Intel slides detail Haswell's Lynx Point chipset". TechSpot. Retrieved 2014-01-19.
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