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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 newer manufacturing process 45 nm vs 130 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
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 higher clock speed 3 GHz vs 2 GHz 50% higher clock speed
Much better PassMark score 2,160 vs 448 More than 4.8x better PassMark score
Much better PassMark (Single core) score 1,251 vs 573 Around 2.2x better PassMark (Single core) score
Much better geekbench 2 (32-bit) score 2,826 vs 770 Around 3.8x better geekbench 2 (32-bit) score
Much better overclocked clock speed (Air) 4.22 GHz vs 2.69 GHz More than 55% better overclocked clock speed (Air)
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 0.34 pt/W More than 5.2x better performance per watt
Significantly lower typical power consumption 52.81W vs 72.31W More than 25% lower typical power consumption
Higher Maximum operating temperature 72.4 °C vs 70 °C Around 5% higher Maximum operating temperature
Much better overclocked clock speed (Water) 4.23 GHz vs 2.87 GHz More than 45% better overclocked clock speed (Water)
Significantly lower annual home energy cost 15.66 $/year vs 21.44 $/year More than 25% lower annual home energy cost
Significantly lower annual commercial energy cost 56.94 $/year vs 77.96 $/year More than 25% lower annual commercial energy cost
Newer Jan, 2008 vs May, 2006 Release date over 1 years later
Front view of AMD Athlon 64 3200+

Reasons to consider the
AMD Athlon 64 3200+

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CPUBoss is not aware of any important advantages of the AMD Athlon 64 3200+ vs the Intel Core2 Duo E8400.

Benchmarks Real world tests of Core2 Duo E8400 vs Athlon 64 3200+

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

Core2 Duo E8400
128,000 MB/s
Athlon 64 3200+
52.6 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

x264 HD 4.0

Core2 Duo E8400
33.59 fps
Athlon 64 3200+
8.98 fps

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core2 Duo E8400  vs
Athlon 64 3200+ 
Clock speed 3 GHz 2 GHz
Cores Dual core Single core
Socket type
LGA 775
754
AM2

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

details

Core2 Duo E8400  vs
Athlon 64 3200+ 
Threads 2 1
L2 cache 6 MB 1 MB
L2 cache per core 3 MB/core 1 MB/core
Manufacture process 45 nm 130 nm
Max CPUs 1 1
Operating temperature Unknown - 72.4°C Unknown - 70°C

overclocking

Overclock popularity 125 3
Overclock review score 4.5 0
Overclocked clock speed 4.22 GHz 2.69 GHz
Overclocked clock speed (Water) 4.23 GHz 2.87 GHz
Overclocked clock speed (Air) 4.22 GHz 2.69 GHz

power consumption

TDP 65W 89W
Annual home energy cost 15.66 $/year 21.44 $/year
Annual commercial energy cost 56.94 $/year 77.96 $/year
Performance per watt 1.83 pt/W 0.34 pt/W
Typical power consumption 52.81W 72.31W
Intel Core2 Duo E8400
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AMD Athlon 64 3200+
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