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AMD Phenom II X4 965

CPUBoss Winner
Front view of AMD Phenom II X4 965

Differences What are the advantages of each

Front view of AMD Phenom II X4 965

Reasons to consider the
AMD Phenom II X4 965

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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 higher clock speed 3.4 GHz vs 2.2 GHz Around 55% higher clock speed
Much better overclocked clock speed (Air) 4.05 GHz vs 2.2 GHz Around 85% better overclocked clock speed (Air)
Significantly better PassMark (Single core) score 1,361 vs 685 Around 2x better PassMark (Single core) score
Significantly better PassMark score 5,916 vs 1,291 More than 4.5x better PassMark score
Newer Nov, 2009 vs May, 2005 Release date over 4 years later
More cores 4 vs 2 Twice as many cores; run more applications at once
Much better overclocked clock speed (Water) 4.22 GHz vs 2.2 GHz More than 90% better overclocked clock speed (Water)
More threads 4 vs 2 Twice as many threads
Front view of AMD Opteron 275

Reasons to consider the
AMD Opteron 275

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Much lower typical power consumption 69.06W vs 152.93W 2.2x lower typical power consumption
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Much lower annual home energy cost 20.48 $/year vs 54.06 $/year 2.6x lower annual home energy cost
Much lower annual commercial energy cost 74.46 $/year vs 152.42 $/year 2x lower annual commercial energy cost
Higher Maximum operating temperature 67 °C vs 62 °C Around 10% higher Maximum operating temperature

Benchmarks Real world tests of Phenom II X4 965 vs Opteron 275

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Phenom II X4 965
137,800 MB/s
Opteron 275
60,200 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Phenom II X4 965  vs
Opteron 275 
Clock speed 3.4 GHz 2.2 GHz
Cores Quad core Dual core
Socket type
AM3
940

features

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

details

Phenom II X4 965  vs
Opteron 275 
Threads 4 2
L2 cache 2 MB 2 MB
L2 cache per core 0.5 MB/core 1 MB/core
Manufacture process 45 nm 90 nm
Max CPUs 1 2
Clock multiplier 17 11
Voltage range 0.85 - 1.43V 1.2 - UnknownV
Operating temperature Unknown - 62°C 0 - 67°C

overclocking

Overclocked clock speed 4.05 GHz 2.2 GHz
Overclocked clock speed (Water) 4.22 GHz 2.2 GHz
PassMark (Overclocked) 3,136.7 1,303.6
Overclocked clock speed (Air) 4.05 GHz 2.2 GHz

power consumption

TDP 140W 85W
Annual home energy cost 54.06 $/year 20.48 $/year
Annual commercial energy cost 152.42 $/year 74.46 $/year
Performance per watt 1.08 pt/W 0.87 pt/W
Typical power consumption 152.93W 69.06W
AMD Phenom II X4 965
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AMD Opteron 275
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