Atom, Athlon, or Nano? Energy-Savers Compared

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Comparison Table

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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