CPUBoss Review Our evaluation of Q9550 vs 2120 among desktop CPUs

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

7.6

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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More cores 4 vs 2 Twice as many cores; run more applications at once
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Front view of Intel Core i3 2120

Reasons to consider the
Intel Core i3 2120

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Much higher clock speed 3.3 GHz vs 2.83 GHz More than 15% higher clock speed
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required

Benchmarks Real world tests of Core2 Quad Q9550 vs Core i3 2120

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
Core i3 2120
162,800 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 Core i3 2120 

9.8
9.6
If anyone who still likes socket 775 this is defiantly an upgrade you should consider.
Core2 Quad Q9550

Specifications Full list of technical specs

summary

Core2 Quad Q9550  vs
Core i3 2120 
Clock speed 2.83 GHz 3.3 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
AVX
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 2.78 pt/W
Typical power consumption 77.19W 52.81W

details

Core2 Quad Q9550  vs
Core i3 2120 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 12 MB 0.5 MB
L2 cache per core 3 MB/core 0.25 MB/core
Manufacture process 45 nm 32 nm
Max CPUs 1 1
Clock multiplier 8 33
Operating temperature Unknown - 71.4°C Unknown - 69.1°C

overclocking

Overclock popularity 127 22
Overclock review score 5 1
Overclocked clock speed 3.99 GHz 3.42 GHz
Overclocked clock speed (Water) 4.03 GHz 3.37 GHz
Overclocked clock speed (Air) 3.99 GHz 3.42 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics 2000
Number of displays supported N/A 2
GPU clock speed N/A 850 MHz
Turbo clock speed N/A 1,100 MHz

bus

Architecture FSB DMI
Number of links 1 1
Intel Core2 Quad Q9550
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Intel Core i3 2120
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