CPUBoss Review Our evaluation of Q9550 vs 965 among desktop CPUs (over 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

2.7

CPUBoss Score

Combination of all six facets

Winner
Intel Core2 Quad Q9550 

CPUBoss recommends the Intel Core2 Quad Q9550  based on its .

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VS

Differences What are the advantages of each

Front view of Intel Core2 Quad Q9550

Reasons to consider the
Intel Core2 Quad Q9550

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CPUBoss is not aware of any important advantages of the Intel Core2 Quad Q9550 vs the AMD Phenom II X4 965.

Front view of AMD Phenom II X4 965

Reasons to consider the
AMD Phenom II X4 965

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CPUBoss is not aware of any important advantages of the AMD Phenom II X4 965 vs the Intel Core2 Quad Q9550.

Benchmarks Real world tests of Core2 Quad Q9550 vs Phenom II X4 965

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 Quad Q9550
121,500 MB/s
Phenom II X4 965
137,800 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 Quad Q9550  vs Phenom II X4 965 

9.0
7.0

9.8
8.8

Overall

9.4 Out of 10
8.4 Out of 10

Specifications Full list of technical specs

summary

Core2 Quad Q9550  vs
Phenom II X4 965 
Clock speed 2.83 GHz 3.4 GHz
Cores Quad core Quad core
Socket type
LGA 775
AM3

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE4
SSE3
EM64T
SSE
SSE4.1
3DNow!
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

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

details

Core2 Quad Q9550  vs
Phenom II X4 965 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 12 MB 2 MB
L2 cache per core 3 MB/core 0.5 MB/core
Manufacture process 45 nm 45 nm
Transistor count 820,000,000 758,000,000
Max CPUs 1 1
Clock multiplier 8 17
Voltage range 0.85 - 1.36V 0.85 - 1.43V
Operating temperature Unknown - 71.4°C Unknown - 62°C

overclocking

Overclock popularity 127 22
Overclock review score 5 5
Overclocked clock speed 3.99 GHz 4.05 GHz
Overclocked clock speed (Water) 4.03 GHz 4.22 GHz
Overclocked clock speed (Air) 3.99 GHz 4.05 GHz

power consumption

TDP 95W 140W
Annual home energy cost 22.89 $/year 54.06 $/year
Annual commercial energy cost 83.22 $/year 152.42 $/year
Performance per watt 1.51 pt/W 1.08 pt/W
Typical power consumption 77.19W 152.93W

bus

Clock speed 1,333 MHz 2,000 MHz
Intel Core2 Quad Q9550
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AMD Phenom II X4 965
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Comments

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Core2 Quad Q9550 is the winner because had bigger cache than the Phenom II X4 965
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