CPUBoss Review Our evaluation of Q9400 vs 3570K 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

6.7

CPUBoss Score

Combination of all six facets

Winner
Intel Core2 Quad Q9400 

CPUBoss recommends the Intel Core2 Quad Q9400  based on its .

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VS

Differences What are the advantages of each

Front view of Intel Core2 Quad Q9400

Reasons to consider the
Intel Core2 Quad Q9400

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Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Front view of Intel Core i5 3570K

Reasons to consider the
Intel Core i5 3570K

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required

Benchmarks Real world tests of Core2 Quad Q9400 vs Core i5 3570K

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 Q9400
114,000 MB/s
Core i5 3570K
2,650,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench (64-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core2 Quad Q9400  vs
Core i5 3570K 
Clock speed 2.66 GHz 3.4 GHz
Cores Quad core Quad 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
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 95W 77W
Annual home energy cost 22.89 $/year 38.81 $/year
Annual commercial energy cost 83.22 $/year 106 $/year
Performance per watt 1.51 pt/W 4.69 pt/W
Typical power consumption 77.19W 107.5W

bus

Architecture FSB DMI
Number of links 1 1

details

Core2 Quad Q9400  vs
Core i5 3570K 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 6 MB 1 MB
L2 cache per core 1.5 MB/core 0.25 MB/core
Manufacture process 45 nm 22 nm
Transistor count 456,000,000 1,400,000,000
Max CPUs 1 1
Clock multiplier 8 34
Operating temperature Unknown - 71.4°C Unknown - 67.4°C

overclocking

Overclock popularity 34 470
Overclocked clock speed 3.54 GHz 4.59 GHz
Overclocked clock speed (Water) 4.15 GHz 4.71 GHz
Overclocked clock speed (Air) 3.54 GHz 4.59 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics 4000
Latest DirectX N/A 10.x
Number of displays supported N/A 3
GPU clock speed N/A 650 MHz
Turbo clock speed N/A 1,150 MHz
3DMark06 N/A 5,339.9
Intel Core2 Quad Q9400
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Intel Core i5 3570K
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