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Differences What are the advantages of each

Front view of Intel Core2 Duo E6600

Reasons to consider the
Intel Core2 Duo E6600

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Much more l2 cache 4 MB vs 1 MB 4x more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l2 cache per core 2 MB/core vs 0.5 MB/core 4x more l2 cache per core
Lower typical power consumption 52.81W vs 65W Around 20% lower typical power consumption
Significantly better overclocked clock speed (Water) 3.45 GHz vs 3 GHz More than 15% better overclocked clock speed (Water)
Lower annual commercial energy cost 56.94 $/year vs 70.08 $/year Around 20% lower annual commercial energy cost
Lower annual home energy cost 15.66 $/year vs 19.27 $/year Around 20% lower annual home energy cost
Front view of AMD Phenom II X2 545

Reasons to consider the
AMD Phenom II X2 545

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Much higher clock speed 3 GHz vs 2.4 GHz More than 25% 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 higher Maximum operating temperature 70 °C vs 60.1 °C More than 15% higher Maximum operating temperature
Better overclocked clock speed (Air) 3.64 GHz vs 3.49 GHz Around 5% better overclocked clock speed (Air)
Newer Nov, 2009 vs Jul, 2006 Release date over 3 years later

Benchmarks Real world tests of Core2 Duo E6600 vs Phenom II X2 545

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 E6600
102,200 MB/s
Phenom II X2 545
121,300 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 E6600  vs
Phenom II X2 545 
Clock speed 2.4 GHz 3 GHz
Cores Dual core Dual core
Socket type
LGA 775
AM3

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE3
SSE
3DNow!
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 65W 80W
Annual home energy cost 15.66 $/year 19.27 $/year
Annual commercial energy cost 56.94 $/year 70.08 $/year
Performance per watt 1.7 pt/W 1.49 pt/W
Typical power consumption 52.81W 65W

bus

Clock speed 1,066 MHz 2,000 MHz

details

Core2 Duo E6600  vs
Phenom II X2 545 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 4 MB 1 MB
L2 cache per core 2 MB/core 0.5 MB/core
Manufacture process 65 nm 45 nm
Max CPUs 1 1
Voltage range 0.85 - 1.5V 0.88 - 1.43V
Operating temperature Unknown - 60.1°C Unknown - 70°C

overclocking

Overclock popularity 47 1
Overclocked clock speed 3.49 GHz 3.64 GHz
Overclocked clock speed (Water) 3.45 GHz 3 GHz
Overclocked clock speed (Air) 3.49 GHz 3.64 GHz

integrated graphics

GPU None None
Label N/A N/A
Latest DirectX N/A N/A
Number of displays supported N/A N/A
GPU clock speed N/A N/A
Turbo clock speed N/A N/A
3DMark06 N/A N/A
Intel Core2 Duo E6600
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AMD Phenom II X2 545
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