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Macintosh IIx- 16 Mhz
Macintosh SE/30- 16 Mhz
Macintosh IIci- 25 Mhz
Macintosh LC- 16 Mhz
Macintosh Quadra 840av- 40 Mhz (it gave me whiplash)
iMac DV- G3 400Mhz
Powermac AGP- G4 400Mhz

cutting edge all the way...am I really that old? sigh... 🙁
 
4 MHz 65C02
8 MHz MC68000
33 Mhz 68030
200 MHz PowerPC 603e
266 MHz PowerPC 750 G3
400 MHz PowerPC 750 G3
366 MHz PowerPC 750cx G3
1000 MHz PowerPC 7447 G4
 
68030 33MHz performa 550 (very first Mac)
G3 333MHz iMac (parents home computer now)
G4 1.5GHz PB (main computer)
 
G3@400Mhz [iMac DV]
G3@450Mhz [PowerMac G3]
G3@600Mhz, Now... 700Mhz (after logic board recall) [iBook G3]

G4@800Mhz [iMac G4]
G4@1.33Ghz [PowerBook G4]
G4@1.42Ghz [Mac mini]

P4@3Ghz [Dell Dimension]
 
1.79 MHz 6502/65C02 x 4 (half a colour clock)
4 MHz Z80 x 2 (and another in my TI-83 calc)
8/16 MHz 68000
16 MHz 80386sx (long gone, due to motherboard failure)
25/50 MHz 68040 which replaced a 68LC040
225 MHz PPC604e which replaced a 120 MHz PPC604
233 MHz PPC750 (long gone, due to pathetic performance)
800 MHz PPC750fx which replaced a 400 MHz PPC750
800 MHz PPC744x x 2
1.33 GHz PPC7447
 
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