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Front view of AMD Athlon II X2 245

AMD Athlon II X2 245

CPUBoss Winner

Differences What are the advantages of each

Front view of AMD Opteron 254

Reasons to consider the
AMD Opteron 254

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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 245

Reasons to consider the
AMD Athlon II X2 245

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Much newer manufacturing process 45 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
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
Significantly lower typical power consumption 52.81W vs 75.24W Around 30% lower typical power consumption
Newer Jul, 2009 vs Aug, 2005 Release date over 4 years later
Better overclocked clock speed (Air) 3.64 GHz vs 3 GHz More than 20% better overclocked clock speed (Air)
More cores 2 vs 1 Twice as many cores; run more applications at once
Higher Maximum operating temperature 74 °C vs 67 °C More than 10% higher Maximum operating temperature
Better performance per watt 1.73 pt/W vs 0.69 pt/W More than 2.5x better performance per watt
Slightly better PassMark score 1,690 vs 693 Around 2.5x better PassMark score
Significantly better overclocked clock speed (Water) 4 GHz vs 2.8 GHz Around 45% better overclocked clock speed (Water)
Significantly lower annual home energy cost 15.66 $/year vs 22.31 $/year Around 30% lower annual home energy cost
Significantly lower annual commercial energy cost 56.94 $/year vs 81.12 $/year Around 30% lower annual commercial energy cost

Benchmarks Real world tests of Opteron 254 vs Athlon II X2 245

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Opteron 254  vs
Athlon II X2 245 
Clock speed 2.8 GHz 2.9 GHz
Cores Single core Dual core
Socket type
940
AM3

features

Has a NX bit Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE3
SSE
3DNow!
Supports dynamic frequency scaling Yes Yes

details

Opteron 254  vs
Athlon II X2 245 
Threads 1 2
L2 cache 1 MB 2 MB
L2 cache per core 1 MB/core 1 MB/core
Manufacture process 90 nm 45 nm
Max CPUs 2 1
Voltage range 1.3 - UnknownV 0.85 - 1.4V
Operating temperature 0 - 67°C Unknown - 74°C

overclocking

Overclocked clock speed 3 GHz 3.64 GHz
Overclocked clock speed (Water) 2.8 GHz 4 GHz
Overclocked clock speed (Air) 3 GHz 3.64 GHz

power consumption

TDP 92.6W 65W
Annual home energy cost 22.31 $/year 15.66 $/year
Annual commercial energy cost 81.12 $/year 56.94 $/year
Performance per watt 0.69 pt/W 1.73 pt/W
Typical power consumption 75.24W 52.81W
AMD Opteron 254
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AMD Athlon II X2 245
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