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Differences What are the advantages of each

Front view of Intel Core2 Duo E8400

Reasons to consider the
Intel Core2 Duo E8400

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Much more l2 cache 6 MB vs 1 MB 6x more l2 cache; more data can be stored in the l2 cache for quick access later
Significantly higher clock speed 3 GHz vs 2.1 GHz Around 45% higher clock speed
Much newer manufacturing process 45 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much more l2 cache per core 3 MB/core vs 0.5 MB/core 6x more l2 cache per core
Much better overclocked clock speed (Air) 4.22 GHz vs 2.13 GHz Around 2x better overclocked clock speed (Air)
Significantly better PassMark (Single core) score 1,251 vs 487 More than 2.5x better PassMark (Single core) score
Much better overclocked clock speed (Water) 4.23 GHz vs 2.1 GHz More than 2x better overclocked clock speed (Water)
Better PassMark score 2,160 vs 839 More than 2.5x better PassMark score
Better performance per watt 1.83 pt/W vs 1.03 pt/W Around 80% better performance per watt
Front view of AMD Turion 64 X2 technology RM-72

Reasons to consider the
AMD Turion 64 X2 technology RM-72

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Significantly lower typical power consumption 28.44W vs 52.81W More than 45% lower typical power consumption
Much higher Maximum operating temperature 100 °C vs 72.4 °C Around 40% higher Maximum operating temperature
Significantly lower annual home energy cost 8.43 $/year vs 15.66 $/year More than 45% lower annual home energy cost
Significantly lower annual commercial energy cost 30.66 $/year vs 56.94 $/year More than 45% lower annual commercial energy cost

Benchmarks Real world tests of Core2 Duo E8400 vs Turion 64 X2 technology RM-72

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

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core2 Duo E8400  vs
Turion 64 X2 technology RM-72 
Clock speed 3 GHz 2.1 GHz
Cores Dual core Dual core

features

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

bus

Clock speed 1,333 MHz 400 MHz

details

Core2 Duo E8400  vs
Turion 64 X2 technology RM-72 
Threads 2 2
L2 cache 6 MB 1 MB
L2 cache per core 3 MB/core 0.5 MB/core
Manufacture process 45 nm 65 nm
Max CPUs 1 1
Operating temperature Unknown - 72.4°C Unknown - 100°C

overclocking

Overclocked clock speed 4.22 GHz 2.13 GHz
Overclocked clock speed (Water) 4.23 GHz 2.1 GHz
Overclocked clock speed (Air) 4.22 GHz 2.13 GHz

power consumption

TDP 65W 35W
Annual home energy cost 15.66 $/year 8.43 $/year
Annual commercial energy cost 56.94 $/year 30.66 $/year
Performance per watt 1.83 pt/W 1.03 pt/W
Typical power consumption 52.81W 28.44W
Intel Core2 Duo E8400
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AMD Turion 64 X2 technology RM-72
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