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Differences What are the advantages of each

Front view of Intel Xeon X5680

Reasons to consider the
Intel Xeon X5680

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Much newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More threads 12 vs 2 10 more threads
More cores 6 vs 2 Three times as many cores; run more applications at once
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Front view of AMD Athlon II X2 275

Reasons to consider the
AMD Athlon II X2 275

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Much lower typical power consumption 52.81W vs 105.63W 2x lower typical power consumption
Much more l2 cache per core 1 MB/core vs 0.33 MB/core More than 3x more l2 cache per core
Slightly higher clock speed 3.5 GHz vs 3.33 GHz More than 5% higher clock speed
Much lower annual home energy cost 15.66 $/year vs 31.32 $/year 2x lower annual home energy cost
Much lower annual commercial energy cost 56.94 $/year vs 113.88 $/year 2x lower annual commercial energy cost

Features Key features of the Xeon X5680  vs Athlon II X2 275 

clock speed

Xeon X5680
3.33 GHz

L2 cache

Specifications Full list of technical specs

summary

Xeon X5680  vs
Athlon II X2 275 
Clock speed 3.33 GHz 3.5 GHz
Cores Hexa core Dual core

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE4
SSE3
SSE
SSE4.1
SSE4.2
3DNow!
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

details

Xeon X5680  vs
Athlon II X2 275 
Threads 12 2
L2 cache 2 MB 2 MB
L2 cache per core 0.33 MB/core 1 MB/core
Manufacture process 32 nm 45 nm
Max CPUs 2 1

power consumption

TDP 130W 65W
Annual home energy cost 31.32 $/year 15.66 $/year
Annual commercial energy cost 113.88 $/year 56.94 $/year
Typical power consumption 105.63W 52.81W

bus

Clock speed 3,200 MHz 2,000 MHz
Intel Xeon X5680
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AMD Athlon II X2 275
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