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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 lower typical power consumption 52.81W vs 77.19W More than 30% lower typical power consumption
Significantly lower annual home energy cost 15.66 $/year vs 22.89 $/year More than 30% lower annual home energy cost
Significantly lower annual commercial energy cost 56.94 $/year vs 83.22 $/year More than 30% lower annual commercial energy cost
Significantly better overclocked clock speed (Water) 3.45 GHz vs 3 GHz More than 15% better overclocked clock speed (Water)
Front view of AMD Phenom II X3 B75

Reasons to consider the
AMD Phenom II X3 B75

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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
More cores 3 vs 2 1 more cores; run more applications at once
More threads 3 vs 2 1 more threads
Much better overclocked clock speed (Air) 4.2 GHz vs 3.49 GHz More than 20% better overclocked clock speed (Air)
Much higher Maximum operating temperature 73 °C vs 60.1 °C More than 20% higher Maximum operating temperature
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing

Benchmarks Real world tests of Core2 Duo E6600 vs Phenom II X3 B75

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 X3 B75
120,500 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core2 Duo E6600  vs
Phenom II X3 B75 
Clock speed 2.4 GHz 3 GHz
Cores Dual core Tri core
Socket type
LGA 775
AM3

features

Has a NX bit Yes Yes
Supports trusted computing No 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 95W
Annual home energy cost 15.66 $/year 22.89 $/year
Annual commercial energy cost 56.94 $/year 83.22 $/year
Performance per watt 1.7 pt/W 1.46 pt/W
Typical power consumption 52.81W 77.19W

details

Core2 Duo E6600  vs
Phenom II X3 B75 
Architecture x86-64 x86-64
Threads 2 3
L2 cache 4 MB 2 MB
L2 cache per core 2 MB/core 0.67 MB/core
Manufacture process 65 nm 45 nm
Max CPUs 1 1
Voltage range 0.85 - 1.5V 0.8 - 1.43V
Operating temperature Unknown - 60.1°C Unknown - 73°C

overclocking

Overclocked clock speed 3.49 GHz 4.2 GHz
Overclocked clock speed (Water) 3.45 GHz 3 GHz
Overclocked clock speed (Air) 3.49 GHz 4.2 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

bus

Clock speed 1,066 MHz 2,000 MHz
Intel Core2 Duo E6600
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AMD Phenom II X3 B75
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