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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

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Much more l2 cache 12 MB vs 1 MB 12x more l2 cache; more data can be stored in the l2 cache for quick access later
Significantly higher clock speed 2.83 GHz vs 2.4 GHz Around 20% higher clock speed
Much better overclocked clock speed (Air) 3.99 GHz vs 2.51 GHz Around 60% better overclocked clock speed (Air)
More cores 4 vs 2 Twice as many cores; run more applications at once
More threads 4 vs 2 Twice as many threads
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Much more l2 cache per core 3 MB/core vs 0.5 MB/core 6x more l2 cache per core
Much better overclocked clock speed (Water) 4.03 GHz vs 2.4 GHz Around 70% better overclocked clock speed (Water)
Higher Maximum operating temperature 71.4 °C vs 69.1 °C Around 5% higher Maximum operating temperature
Front view of Intel Celeron G530

Reasons to consider the
Intel Celeron G530

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much lower typical power consumption 52.81W vs 77.19W More than 30% lower typical power consumption
Significantly lower annual home energy cost 15.66 $/year vs 22.89 $/year More than 30% lower annual home energy cost
Significantly lower annual commercial energy cost 56.94 $/year vs 83.22 $/year More than 30% lower annual commercial energy cost
Newer Jul, 2011 vs Jan, 2008 Release date over 3 years later

Benchmarks Real world tests of Core2 Quad Q9550 vs Celeron G530

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
Celeron G530
118,250 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

Specifications Full list of technical specs

summary

Core2 Quad Q9550  vs
Celeron G530 
Clock speed 2.83 GHz 2.4 GHz
Cores Quad core Dual core
Socket type
LGA 775
LGA 1155

features

Has a NX bit Yes Yes
Supports trusted computing Yes No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
SSE3
EM64T
SSE
SSE4.1
SSE4.2
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 95W 65W
Annual home energy cost 22.89 $/year 15.66 $/year
Annual commercial energy cost 83.22 $/year 56.94 $/year
Performance per watt 1.51 pt/W 1.94 pt/W
Typical power consumption 77.19W 52.81W

details

Core2 Quad Q9550  vs
Celeron G530 
Architecture x86-64 x86-64
Threads 4 2
L2 cache 12 MB 1 MB
L2 cache per core 3 MB/core 0.5 MB/core
Manufacture process 45 nm 32 nm
Max CPUs 1 1
Clock multiplier 8 24
Operating temperature Unknown - 71.4°C Unknown - 69.1°C

overclocking

Overclock popularity 127 18
Overclock review score 5 5
Overclocked clock speed 3.99 GHz 2.51 GHz
Overclocked clock speed (Water) 4.03 GHz 2.4 GHz
Overclocked clock speed (Air) 3.99 GHz 2.51 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics
Number of displays supported N/A 2
GPU clock speed N/A 850 MHz
Turbo clock speed N/A 1,000 MHz

bus

Architecture FSB DMI
Number of links 1 1
Intel Core2 Quad Q9550
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Intel Celeron G530
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