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Differences What are the advantages of each

Front view of Intel Core2 Quad Q9550

Reasons to consider the
Intel Core2 Quad Q9550

Report a correction

CPUBoss is not aware of any important advantages of the Q9550 vs the Q9450.

Front view of Intel Core2 Quad Q9450

Reasons to consider the
Intel Core2 Quad Q9450

Report a correction

CPUBoss is not aware of any important advantages of the Q9450 vs the Q9550.

Benchmarks Real world tests of Core2 Quad Q9550 vs Q9450

CompuBench 1.5 (Ocean surface simulation) Data courtesy CompuBench

Core2 Quad Q9550
30.9 fps
Core2 Quad Q9450
30.86 fps

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
Core2 Quad Q9450
115,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench (64-bit) Data courtesy Primate Labs

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core2 Quad Q9550  vs
Q9450 
Clock speed 2.83 GHz 2.66 GHz
Cores Quad core Quad core
Socket type
LGA 775

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
SSE3
EM64T
SSE
SSE4.1
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 95W 95W
Annual home energy cost 22.89 $/year 22.89 $/year
Annual commercial energy cost 83.22 $/year 83.22 $/year
Performance per watt 1.51 pt/W 1.33 pt/W
Typical power consumption 77.19W 77.19W

bus

Architecture FSB FSB
Number of links 1 1
Clock speed 1,333 MHz 1,333 MHz

details

Core2 Quad Q9550  vs
Q9450 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 12 MB 12 MB
L2 cache per core 3 MB/core 3 MB/core
Manufacture process 45 nm 45 nm
Transistor count 820,000,000 820,000,000
Max CPUs 1 1
Clock multiplier 8 8
Voltage range 0.85 - 1.36V 0.85 - 1.36V
Operating temperature Unknown - 71.4°C Unknown - 71.4°C

overclocking

Overclock popularity 127 14
Overclocked clock speed 3.99 GHz 3.71 GHz
Overclocked clock speed (Water) 4.03 GHz 2.67 GHz
Overclocked clock speed (Air) 3.99 GHz 3.71 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 Quad Q9550
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Intel Core2 Quad Q9450
Report a correction

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