CPUBoss Review Our evaluation of Q9500 vs Q9400 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

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 Q9500

Reasons to consider the
Intel Core2 Quad Q9500

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CPUBoss is not aware of any important advantages of the Q9500 vs the Q9400.

Front view of Intel Core2 Quad Q9400

Reasons to consider the
Intel Core2 Quad Q9400

Report a correction
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing

Benchmarks Real world tests of Core2 Quad Q9500 vs Q9400

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 Q9500
120,400 MB/s
Core2 Quad Q9400
114,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

3D Mark 11 (Physics)

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core2 Quad Q9500  vs
Q9400 
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 No Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE3
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 1.6 pt/W 1.51 pt/W
Typical power consumption 77.19W 77.19W

details

Core2 Quad Q9500  vs
Q9400 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 6 MB 6 MB
L2 cache per core 1.5 MB/core 1.5 MB/core
Manufacture process 45 nm 45 nm
Transistor count 456,000,000 456,000,000
Max CPUs 1 1
Voltage range 0.85 - 1.36V 0.85 - 1.36V
Operating temperature Unknown - 71.4°C Unknown - 71.4°C

overclocking

Overclocked clock speed 3.4 GHz 3.54 GHz
Overclocked clock speed (Water) 3.83 GHz 4.15 GHz
Overclocked clock speed (Air) 3.4 GHz 3.54 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

Architecture FSB FSB
Number of links 1 1
Clock speed 1,333 MHz 1,333 MHz
Intel Core2 Quad Q9500
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Intel Core2 Quad Q9400
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