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Differences What are the advantages of each

Front view of Intel Core2 Duo E6300

Reasons to consider the
Intel Core2 Duo E6300

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Much more l2 cache 2 MB vs 0.5 MB 4x more l2 cache; more data can be stored in the l2 cache for quick access later
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 1.18 pt/W vs 0.44 pt/W Around 2.8x better performance per watt
Higher clock speed 1.86 GHz vs 1.6 GHz More than 15% higher clock speed
Much lower typical power consumption 52.81W vs 90.9W More than 40% lower typical power consumption
Much better overclocked clock speed (Air) 3.19 GHz vs 2.45 GHz More than 30% better overclocked clock speed (Air)
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 15.66 $/year vs 38.47 $/year 2.5x lower annual home energy cost
Much better overclocked clock speed (Water) 3.45 GHz vs 1.6 GHz Around 2.2x better overclocked clock speed (Water)
Significantly lower annual commercial energy cost 56.94 $/year vs 81.56 $/year More than 30% lower annual commercial energy cost
Front view of AMD Athlon 64 2650e

Reasons to consider the
AMD Athlon 64 2650e

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Newer Nov, 2008 vs Jul, 2006 Release date over 2 years later

Benchmarks Real world tests of Core2 Duo E6300 vs Athlon 64 2650e

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 E6300
79,500 MB/s
Athlon 64 2650e
41,400 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench (64-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core2 Duo E6300  vs
Athlon 64 2650e 
Clock speed 1.86 GHz 1.6 GHz
Cores Dual core Single core
Socket type
LGA 775
AM2

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE3
SSE
3DNow!
Supplemental SSE3

details

Core2 Duo E6300  vs
Athlon 64 2650e 
Threads 2 1
L2 cache 2 MB 0.5 MB
L2 cache per core 1 MB/core 0.5 MB/core
Manufacture process 65 nm 65 nm
Max CPUs 1 1

overclocking

Overclock popularity 15 0
Overclocked clock speed 3.19 GHz 2.45 GHz
Overclocked clock speed (Water) 3.45 GHz 1.6 GHz
Overclocked clock speed (Air) 3.19 GHz 2.45 GHz

power consumption

TDP 65W 15W
Annual home energy cost 15.66 $/year 38.47 $/year
Annual commercial energy cost 56.94 $/year 81.56 $/year
Performance per watt 1.18 pt/W 0.44 pt/W
Typical power consumption 52.81W 90.9W
Intel Core2 Duo E6300
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AMD Athlon 64 2650e
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