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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
Much newer manufacturing process 45 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better PassMark score 2,160 vs 730 Around 3x better PassMark score
More cores 2 vs 1 Twice as many cores; run more applications at once
More threads 2 vs 1 Twice as many threads
Much better performance per watt 1.83 pt/W vs 0.59 pt/W More than 3x better performance per watt
Much better overclocked clock speed (Air) 4.22 GHz vs 3.08 GHz More than 35% better overclocked clock speed (Air)
Higher clock speed 3 GHz vs 2.8 GHz More than 5% higher clock speed
Much lower typical power consumption 52.81W vs 84.5W Around 40% lower typical power consumption
Much higher Maximum operating temperature 72.4 °C vs 63 °C Around 15% higher Maximum operating temperature
Much better overclocked clock speed (Water) 4.23 GHz vs 3 GHz More than 40% better overclocked clock speed (Water)
Much lower annual commercial energy cost 56.94 $/year vs 91.1 $/year Around 40% lower annual commercial energy cost
Much lower annual home energy cost 15.66 $/year vs 25.05 $/year Around 40% lower annual home energy cost
Newer Jan, 2008 vs Jun, 2005 Release date over 2 years later
Front view of AMD Athlon 64 FX 57

Reasons to consider the
AMD Athlon 64 FX 57

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CPUBoss is not aware of any important advantages of the AMD Athlon 64 FX 57 vs the Intel Core2 Duo E8400.

Benchmarks Real world tests of Core2 Duo E8400 vs Athlon 64 FX 57

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core2 Duo E8400  vs
Athlon 64 FX 57 
Clock speed 3 GHz 2.8 GHz
Cores Dual core Single core
Socket type
LGA 775
939

features

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

details

Core2 Duo E8400  vs
Athlon 64 FX 57 
Threads 2 1
L2 cache 6 MB 1 MB
L2 cache per core 3 MB/core 1 MB/core
Manufacture process 45 nm 90 nm
Max CPUs 1 1
Operating temperature Unknown - 72.4°C Unknown - 63°C

overclocking

Overclock popularity 125 0
Overclock review score 4.5 0
Overclocked clock speed 4.22 GHz 3.08 GHz
Overclocked clock speed (Water) 4.23 GHz 3 GHz
Overclocked clock speed (Air) 4.22 GHz 3.08 GHz

power consumption

TDP 65W 104W
Annual home energy cost 15.66 $/year 25.05 $/year
Annual commercial energy cost 56.94 $/year 91.1 $/year
Performance per watt 1.83 pt/W 0.59 pt/W
Typical power consumption 52.81W 84.5W
Intel Core2 Duo E8400
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AMD Athlon 64 FX 57
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