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Differences What are the advantages of each

Front view of Intel Core2 Duo T6400

Reasons to consider the
Intel Core2 Duo T6400

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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
Much lower typical power consumption 28.44W vs 89.38W 3.1x lower typical power consumption
Significantly better PassMark (Single core) score 1,519 vs 620 Around 2.5x better PassMark (Single core) score
Significantly better PassMark score 5,563 vs 1,097 More than 5x better PassMark score
Significantly better overclocked clock speed (Air) 4.13 GHz vs 2.91 GHz More than 40% better overclocked clock speed (Air)
Significantly better performance per watt 3.85 pt/W vs 0.52 pt/W Around 7.5x better performance per watt
Newer Jan, 2009 vs Aug, 2005 Release date over 3 years later
Much better overclocked clock speed (Water) 4.91 GHz vs 2 GHz Around 2.5x better overclocked clock speed (Water)
Much lower annual home energy cost 8.43 $/year vs 26.5 $/year 3.1x lower annual home energy cost
Much lower annual commercial energy cost 30.66 $/year vs 96.36 $/year 3.1x lower annual commercial energy cost
Front view of AMD Opteron 170

Reasons to consider the
AMD Opteron 170

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CPUBoss is not aware of any important advantages of the AMD Opteron 170 vs the Intel Core2 Duo T6400.

Benchmarks Real world tests of Core2 Duo T6400 vs Opteron 170

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core2 Duo T6400  vs
Opteron 170 
Clock speed 2 GHz 2 GHz
Cores Dual core Dual core
Socket type
478
939

features

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

details

Core2 Duo T6400  vs
Opteron 170 
Threads 2 2
L2 cache 2 MB 2 MB
L2 cache per core 1 MB/core 1 MB/core
Manufacture process 45 nm 90 nm
Max CPUs 1 1
Clock multiplier 10 10
Voltage range 1 - 1.25V 1.3 - UnknownV

overclocking

Overclocked clock speed 4.13 GHz 2.91 GHz
Overclocked clock speed (Water) 4.91 GHz 2 GHz
Overclocked clock speed (Air) 4.13 GHz 2.91 GHz

power consumption

TDP 35W 110W
Annual home energy cost 8.43 $/year 26.5 $/year
Annual commercial energy cost 30.66 $/year 96.36 $/year
Performance per watt 3.85 pt/W 0.52 pt/W
Typical power consumption 28.44W 89.38W
Intel Core2 Duo T6400
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AMD Opteron 170
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