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Understanding AMD Processor Model Numbers
A computer’s performance should be measured by more than just its clock frequency (MHz/GHz). At AMD, we assign model numbers to indicate the relative performance of our processors and to help simplify your computer purchase decision.

AMD Athlon™ 64 processors / Mobile AMD Athlon 64 processors
AMD Athlon 64 X2 Dual-Core processors
AMD Sempron™ processors / Mobile AMD Sempron processors
  • 4-digit model number followed by a “+”
  • Example: AMD Athlon 64 4000+
  • Higher model number indicates better overall performance
  • The “+”indicates the added performance benefits delivered by AMD's innovative processor designs
AMD Athlon 64 FX processors
  • “FX-” followed by a 2-digit model number
  • Example: AMD Athlon FX-55 processor
  • Higher model number indicates better overall performance
AMD Turion™ 64 X2 Dual-Core Mobile Technology /AMD Turion™ 64 Mobile Technology
  • 2 letters and 2 digits in the model number
  • Example: AMD Turion 64 Mobile Technology MT-34
  • First letter indicates processor class
  • Second letter designates increasing degree of mobility within the processor class as the letter approaches Z (example, model MT-xx indicates greater relative mobility than model ML-xx)
  • Numbers indicate relative performance
  • Higher model number indicates better overall performance
You can find more detailed model number comparisons, frequency speed and memory on the pages below:

AMD Athlon 64 processors
Mobile AMD Athlon 64 processors
AMD Athlon 64 X2 Dual-Core processors
AMD Sempron processors
Mobile AMD Sempron processors
AMD Athlon 64 processors
AMD Turion 64 X2 dual-core mobile technology
AMD Turion 64 mobile technology




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