Atom, Athlon, or Nano? Energy-Savers Compared

Comparison Table

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NameAthlon 64 2000+Atom 230NanoL2100
Clock Speed1000 MHz1600 MHz1800 MHz
Code NameLimaDiamondvilleIsaiah Centaur Technology
based onAMD64x86-64x86-64
Cores111
L1 Cache64+64 KB Data/InstructionCache32+24 KB Data/Instruction Cache64+64 KB data/Instruction Cache
L2 Cache512 KB512 KB1024 KB
 1 GHz  
InterfaceHyperTransportFSB800FSB800, VIA V4
Hyper Threadingnoyesno
Instruction SetsMMX, Extended 3DNow!, SSE, SSE2, SSE3, Cool’n’Quiet, AMD-V, PresidioMMX, SSE, SSE2, SSE3, SSSE3MMX, SSE, SSE2, SSE3, SSSE3
Buffer Overflow ProtectionNX bitXD bitNX bit
On-Die Encryptionnono128 bit AES
Die size77.2 mm²26 mm²63 mm²
Transistors122 million47 million94 million
Package940-pin socket AM2 PGA22x22 mm, 441-ball Micro-FCBGA21x21 mm, 400-ball Nano-BGA2
Process Technology65 nm SOI45 nm65 nm
TDP8 W4 W25 W