Archi- tecture Family Code Name Model Grou p Speed (MHz ) Socket Proces s (nm) Core s FSB/HT(MHz ) Cache (KiB) Memory Controlle r Supported Features TDP (watts ) GFLOPS/wat t Processin g Power (GFLOPs ) L1 L2 L3 Am386 Am386 Sx/SxL/SxLV [1 ] 25- 40 [1] 100 PQFP [1 ] 1 Am486 [2 ] 8 Enhance d Am486 66- 120 168 pin PGA 208 SQFP [3] 8, 8/16 Am5x86 Am5x86 X5-133 133 Socket 3 Socket 2 Socket 1 168 pin 350 33 16 K5 AMD K5 SSA/5, 5k86 75– 133 Socket 5 Socket 7 500, 350 50, 60, 66 8+16 0 K6 AMD K6 Model 6, Littlefoot 166- 300 Socket 7 350, 250 50, 60, 66 32+3 2 0 MMX AMD K6-2 Chomper, Chomper Extended, mobile 166- 550 Super Socket 7 250, 180 66, 95, 97, 100 32+3 2 0, 128 MMX, 3DNow! K6-3 Sharptooth 400- 550 Super Socket 7 250, 180 66, 95, 96.2, 100 32+3 2 256 512, 1024 K7 Athlon Argon 500- 700 Slot A 250 100 64+6 4 512