Atom, Athlon, or Nano? Energy-Savers Compared

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Name Athlon 64 2000+ Atom 230 NanoL2100
Clock Speed 1000 MHz 1600 MHz 1800 MHz
Code Name Lima Diamondville Isaiah Centaur Technology
based on AMD64 x86-64 x86-64
Cores 1 1 1
L1 Cache 64+64 KB Data/InstructionCache 32+24 KB Data/Instruction Cache 64+64 KB data/Instruction Cache
L2 Cache 512 KB 512 KB 1024 KB
  1 GHz    
Interface HyperTransport FSB800 FSB800, VIA V4
Hyper Threading no yes no
Instruction Sets MMX, Extended 3DNow!, SSE, SSE2, SSE3, Cool’n’Quiet, AMD-V, Presidio MMX, SSE, SSE2, SSE3, SSSE3 MMX, SSE, SSE2, SSE3, SSSE3
Buffer Overflow Protection NX bit XD bit NX bit
On-Die Encryption no no 128 bit AES
Die size 77.2 mm² 26 mm² 63 mm²
Transistors 122 million 47 million 94 million
Package 940-pin socket AM2 PGA 22x22 mm, 441-ball Micro-FCBGA 21x21 mm, 400-ball Nano-BGA2
Process Technology 65 nm SOI 45 nm 65 nm
TDP 8 W 4 W 25 W