Pro Mac laptop base RAM increases

Age of 68k:

• mid 1989 - 1 MB - SRAM
• late 1991 - 2 MB
• mid 1992 - 4 MB

Age of PowerPC:

• mid 1995 - 8 MB
• late 1996 - 12 MB
• mid 1997 - 16 MB - SO-DIMM

Age of G3 PowerPC:

• late 1997 - 32 MB (G3 models only) - EDO DIMM
• mid 1999 - 64 MB - PC100 SDRAM

Age of G4 PowerPC:

• early 2001 - 128 MB - PC100 SDRAM
• late 2001 - 256 MB - PC133 SDRAM
• early 2003 - 512 MB (17" model only) - 333 MHz PC-2700 DDR SDRAM
• early 2004 - 512 MB (15" model only) - 333 MHz PC-2700 DDR SDRAM
• early 2005 - 512 MB (12" model only) - 333 MHz PC-2700 DDR SDRAM

Age of Intel Core:

• early 2006 - 1 GB (17" model only) - 667 MHz PC2-5300 DDR2 SDRAM
• late 2006 - 1 GB (15" model only) - 667 MHz PC2-5300 DDR2 SDRAM
• mid 2007 - 2 GB - 667 MHz PC2-5300 DDR2 SDRAM
• early 2009 - 4 GB (17" model only) - 1,066 MHz PC3-8500 DDR3 SDRAM
• mid 2009 - 4 GB (15" model only) - 1,066 MHz PC3-8500 DDR3 SDRAM
• mid 2010 - 4 GB (13" model only) - 1,066 MHz PC3-8500 DDR3 SDRAM

Age of Intel i5/i7:

• mid 2012 - 8 GB - 1600 MHz PC3-12800 DDR3L SDRAM
• mid 2014 - 16 GB (15" model only) - 1600 MHz PC3-12800 DDR3L SDRAM

Age of Apple Silicon:

• late 2021 - 16 GB (only 14" and 16" models) - 256-bit Quad(?) Channel LPDDR5-6400 Unified Memory (204.8 GB/s)
• late 2023 - 8 GB (reduced from 16 GB for 14" model) - 128-bit Dual Channel LPDDR5-6400 Unified Memory (102.4 GB/s)
• late 2023 - 18 GB (16" model only) - 192-bit Triple(?) Channel LPDDR5-6400 Unified Memory (153.6 GB/s)