CPUBoss Review Our evaluation of Q9450 vs 2356 among all 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

Sky Diver and Cloud Gate

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?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

No winner declared

Too close to call

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VS

Differences What are the advantages of each

Front view of Intel Core2 Quad Q9450

Reasons to consider the
Intel Core2 Quad Q9450

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Much more l2 cache 12 MB vs 2 MB 6x more l2 cache; more data can be stored in the l2 cache for quick access later
Much newer manufacturing process 45 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much more l2 cache per core 3 MB/core vs 0.5 MB/core 6x more l2 cache per core
Higher clock speed 2.66 GHz vs 2.3 GHz More than 15% higher clock speed
Significantly better overclocked clock speed (Air) 3.71 GHz vs 2.43 GHz Around 55% better overclocked clock speed (Air)
Significantly higher Maximum operating temperature 71.4 °C vs 55 °C Around 30% higher Maximum operating temperature
Better geekbench 3 single core score 1,535 vs 1,090 More than 40% better geekbench 3 single core score
Better overclocked clock speed (Water) 2.67 GHz vs 2.3 GHz More than 15% better overclocked clock speed (Water)
Front view of AMD Opteron 2356

Reasons to consider the
AMD Opteron 2356

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Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Significantly better geekbench 3 Multi-Core score 7,681 vs 5,261 More than 45% better geekbench 3 Multi-Core score
Lower typical power consumption 60.94W vs 77.19W More than 20% lower typical power consumption
Lower annual home energy cost 18.07 $/year vs 22.89 $/year More than 20% lower annual home energy cost
Lower annual commercial energy cost 65.7 $/year vs 83.22 $/year More than 20% lower annual commercial energy cost
Newer Apr, 2008 vs Jan, 2008 Release date 3 months later

Benchmarks Real world tests of Core2 Quad Q9450 vs Opteron 2356

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 Q9450
115,000 MB/s
Opteron 2356
86.9 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core2 Quad Q9450  vs
Opteron 2356 
Clock speed 2.66 GHz 2.3 GHz
Cores Quad core Quad core
Socket type
LGA 775
F

features

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

power consumption

TDP 95W 75W
Annual home energy cost 22.89 $/year 18.07 $/year
Annual commercial energy cost 83.22 $/year 65.7 $/year
Performance per watt 1.33 pt/W 1.36 pt/W
Typical power consumption 77.19W 60.94W

details

Core2 Quad Q9450  vs
Opteron 2356 
Threads 4 4
L2 cache 12 MB 2 MB
L2 cache per core 3 MB/core 0.5 MB/core
Manufacture process 45 nm 65 nm
Max CPUs 1 2
Clock multiplier 8 11
Voltage range 0.85 - 1.36V 1 - UnknownV
Operating temperature Unknown - 71.4°C 0 - 55°C

overclocking

Overclocked clock speed 3.71 GHz 2.43 GHz
Overclocked clock speed (Water) 2.67 GHz 2.3 GHz
Overclocked clock speed (Air) 3.71 GHz 2.43 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

bus

Clock speed 1,333 MHz 2,000 MHz
Intel Core2 Quad Q9450
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AMD Opteron 2356
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