CPUBoss Review Our evaluation of E6700 vs E6600 among desktop CPUs (45 to 75W)

Performance

Benchmark performance using all cores

PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Fire Strike

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

No winner declared

Too close to call

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VS

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
Slightly better PassMark (Single core) score 993 vs 919 Around 10% better PassMark (Single core) score
Front view of Intel Core2 Duo E6600

Reasons to consider the
Intel Core2 Duo E6600

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Better overclocked clock speed (Water) 3.85 GHz vs 3.5 GHz More than 10% better overclocked clock speed (Water)

Benchmarks Real world tests of Core2 Duo E6700 vs E6600

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 E6700
113,800 MB/s
Core2 Duo E6600
102,200 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench (64-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Reviews Word on the street

Core2 Duo E6700  vs E6600 

6.0
8.0
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

summary

Core2 Duo E6700  vs
E6600 
Clock speed 2.66 GHz 2.4 GHz
Cores Dual core Dual core
Socket type
LGA 775

features

Has a NX bit Yes Yes
Supports trusted computing No No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE3
SSE
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 1.99 pt/W 1.87 pt/W
Typical power consumption 52.81W 52.81W

bus

Architecture FSB FSB
Number of links 1 1
Clock speed 1,066 MHz 1,066 MHz

details

Core2 Duo E6700  vs
E6600 
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

overclocking

Overclock popularity 7 47
Overclocked clock speed 3.36 GHz 3.49 GHz
Overclocked clock speed (Water) 3.5 GHz 3.85 GHz
Overclocked clock speed (Air) 3.36 GHz 3.49 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 E6700
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Intel Core2 Duo E6600
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