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Differences What are the advantages of each

Front view of AMD Opteron 246

Reasons to consider the
AMD Opteron 246

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Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Front view of AMD Athlon II X2 250

Reasons to consider the
AMD Athlon II X2 250

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Much newer manufacturing process 32 nm vs 130 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly higher clock speed 3 GHz vs 2 GHz 50% higher clock speed
Significantly more l2 cache 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Much better overclocked clock speed (Air) 3.72 GHz vs 2.31 GHz More than 60% better overclocked clock speed (Air)
Lower typical power consumption 52.81W vs 69.31W Around 25% lower typical power consumption
Newer Jun, 2009 vs May, 2004 Release date over 5 years later
More cores 2 vs 1 Twice as many cores; run more applications at once
Better performance per watt 1.79 pt/W vs 0.3 pt/W Around 6x better performance per watt
Much better overclocked clock speed (Water) 4.04 GHz vs 2 GHz More than 2x better overclocked clock speed (Water)
Better PassMark score 1,750 vs 632 More than 2.8x better PassMark score
Lower annual home energy cost 15.66 $/year vs 20.55 $/year Around 25% lower annual home energy cost
Lower annual commercial energy cost 56.94 $/year vs 74.72 $/year Around 25% lower annual commercial energy cost

Benchmarks Real world tests of Opteron 246 vs Athlon II X2 250

PassMark Data courtesy Passmark

Specifications Full list of technical specs

summary

Opteron 246  vs
Athlon II X2 250 
Clock speed 2 GHz 3 GHz
Cores Single core Dual core
Socket type
940
AM3

features

Has a NX bit Yes Yes
Instruction set extensions
SSE4a
AVX 1.1
SSE2
F16C
MMX
XOP
AVX
SSE3
SSE
BMI1
AMD64
SSE4.1
FMA4
FMA3
SSE4.2
ABM
CVT16
AMD-V
3DNow!
Supplemental SSE3
AES
TBM
Supports dynamic frequency scaling Yes Yes

details

Opteron 246  vs
Athlon II X2 250 
Threads 1 2
L2 cache 1 MB 2 MB
L2 cache per core 1 MB/core 1 MB/core
Manufacture process 130 nm 32 nm
Max CPUs 2 1
Voltage range 1.3 - UnknownV 0.85 - 1.43V
Operating temperature 0 - 71°C Unknown - 74°C

overclocking

Overclocked clock speed 2.31 GHz 3.72 GHz
Overclocked clock speed (Water) 2 GHz 4.04 GHz
PassMark (Overclocked) 851.3 2,374.3
Overclocked clock speed (Air) 2.31 GHz 3.72 GHz

power consumption

TDP 85.3W 65W
Annual home energy cost 20.55 $/year 15.66 $/year
Annual commercial energy cost 74.72 $/year 56.94 $/year
Performance per watt 0.3 pt/W 1.79 pt/W
Typical power consumption 69.31W 52.81W
AMD Opteron 246
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AMD Athlon II X2 250
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