CPUBoss Review Our evaluation of Q6600 vs 955


Benchmark performance using all cores

Cinebench R10 32-bit, PassMark, GeekBench (32-bit) and GeekBench (64-bit)

Single-core Performance

Individual core benchmark performance

Cinebench R10 32-bit (1-core) and 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

AMD Phenom II X4 955 

CPUBoss recommends the AMD Phenom II X4 955  based on its performance, single-core performance and value.

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Front view of AMD Phenom II X4 955

AMD Phenom II X4 955

CPUBoss Winner

Differences What are the advantages of each

Front view of Intel Core2 Quad Q6600

Reasons to consider the
Intel Core2 Quad Q6600

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Much more l2 cache 8 MB vs 2 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 85.31W vs 101.56W More than 15% lower typical power consumption
Lower annual commercial energy cost 91.98 $/year vs 109.5 $/year More than 15% lower annual commercial energy cost
Lower annual home energy cost 25.29 $/year vs 30.11 $/year More than 15% lower annual home energy cost
Front view of AMD Phenom II X4 955

Reasons to consider the
AMD Phenom II X4 955

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Much newer manufacturing process 45 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly higher clock speed 3.2 GHz vs 2.4 GHz Around 35% higher clock speed
Much better 3DMark11 physics score 3,900 vs 2,910 Around 35% better 3DMark11 physics score
Newer Nov, 2009 vs Jan, 2007 Release date over 2 years later
Better PassMark (Single core) score 1,123 vs 922 More than 20% better PassMark (Single core) score
Better PassMark score 4,019 vs 2,993 Around 35% better PassMark score
Better performance per dollar 5.42 pt/$ vs 4.49 pt/$ More than 20% better performance per dollar
Better cinebench r10 32Bit 1-core score 3,675 vs 2,778 More than 30% better cinebench r10 32Bit 1-core score
Better cinebench r10 32Bit score 13,242 vs 9,681 More than 35% better cinebench r10 32Bit score

Benchmarks Real world tests of Core2 Quad Q6600 vs Phenom II X4 955

GeekBench (32-bit) Data courtesy Primate Labs

x264 HD 4.0

Core2 Quad Q6600
47.9 fps
Phenom II X4 955
65.08 fps

3D Mark 11 (Physics)

Cinebench R10 32-Bit

sysmark 2007 (overall)

PassMark Data courtesy PassMark

Reviews Word on the street

Core2 Quad Q6600  vs Phenom II X4 955 

But in terms of a re-encode/compress test and Stalker at 800 x 600, and it's quite apparent what two extra cores can do.
Core2 Quad Q6600

Unfortunately because it is old and there have been many new releases, 1366 1156, 1155 and now 2011, it is quite hard to recommend it, however if you do own one already I would always say don't get rid of it, keep it as a backup rig, this was truly one of those chips that could take a lot.
Core2 Quad Q6600


8.9 Out of 10
8.8 Out of 10

Specifications Full list of technical specs


Core2 Quad Q6600  vs
Phenom II X4 955 
Clock speed 2.4 GHz 3.2 GHz
Cores Quad core Quad core
Socket type
LGA 775


Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 105W 125W
Annual home energy cost 25.29 $/year 30.11 $/year
Annual commercial energy cost 91.98 $/year 109.5 $/year
Performance per watt 4.1 pt/W 4.12 pt/W
Typical power consumption 85.31W 101.56W


Core2 Quad Q6600  vs
Phenom II X4 955 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 8 MB 2 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 - 1.5V
Operating temperature Unknown - 62.2°C Unknown - 62°C


Overclock popularity 278 259
Overclock review score 5 4

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


Clock speed 1,066 MHz 2,000 MHz
Intel Core2 Quad Q6600
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AMD Phenom II X4 955
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