CPUBoss Review Our evaluation of E6700 vs E6600


Benchmark performance using all cores

Passmark, GeekBench (32-bit) and GeekBench (64-bit)

Single-core Performance

Individual core benchmark performance

Passmark (Single Core)


How much speed can you get out of the processor?

overclock popularity


Are you paying a premium for performance?

Performance Per Dollar

CPUBoss Score

Performance, Single-core Performance, Overclocking and Value

Intel Core2 Duo E6600 

CPUBoss recommends the Intel Core2 Duo E6600  based on its .

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Differences What are the advantages of each

Front view of Intel Core2 Duo E6700

Reasons to consider the
Intel Core2 Duo E6700

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Higher clock speed 2.66 GHz vs 2.4 GHz More than 10% higher clock speed
Front view of Intel Core2 Duo E6600

Reasons to consider the
Intel Core2 Duo E6600

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Better performance per dollar 6.51 pt/$ vs 4.94 pt/$ More than 30% better performance per dollar

Benchmarks Real world tests of Core2 Duo E6700 vs E6600

GeekBench (32-bit)

GeekBench (64-bit)


3D Mark 11 (Physics)


Passmark (Single Core)

Reviews Word on the street

Core2 Duo E6700  vs E6600 

The E6420 doesn't have a vast deficit on the 6600, especially now both have 4MB of L2 cache, and its huge amount of overclocking headroom means it can cruise past this and off into the sunset on a bog standard Intel air cooler.
Core2 Duo E6600

Specifications Full list of technical specs


Core2 Duo E6700  vs
Clock speed 2.66 GHz 2.4 GHz
Cores Dual core Dual core
Socket type
LGA 775
Is hyperthreaded No No


Has a NX bit Yes Yes
Supports trusted computing No No
Has virtualization support Yes Yes
Instruction set extensions
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 65W 65W
Annual home energy cost 15.66 $/year 15.66 $/year
Annual commercial energy cost 56.94 $/year 56.94 $/year
Performance per watt 4.56 pt/W 4 pt/W
Typical power consumption 52.81W 52.81W


Core2 Duo E6700  vs
Architecture x86-64 x86-64
Threads 2 2
L2 cache 4 MB 4 MB
L2 cache per core 2 MB/core 2 MB/core
Manufacture process 65 nm 65 nm
Transistor count 291,000,000 291,000,000
Max CPUs 1 1
Clock multiplier 10 9
Voltage range 0.85 - 1.5V 0.85 - 1.5V
Operating temperature Unknown - 60.1°C Unknown - 60.1°C


Overclock popularity 7 47

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


Architecture FSB FSB
Number of links 1 1
Clock speed 1,066 MHz 1,066 MHz
Intel Core2 Duo E6700
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Intel Core2 Duo E6600
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