CPUBoss Review Our evaluation of E5405 vs Q6600

Performance

Benchmark performance using all cores

Passmark and GeekBench

Single-core Performance

Individual core benchmark performance

Passmark (Single Core)

Power Consumption

How much power does the processor require?

TDP

Value

Performance Per Dollar

CPUBoss Score

Performance, Single-core Performance, Power Consumption and Value

Winner
Intel Core2 Quad Q6600 

CPUBoss recommends the Intel Core2 Quad Q6600  based on its .

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Differences What are the advantages of each

Front view of Intel Xeon E5405

Reasons to consider the
Intel Xeon E5405

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Newer manufacturing process 45 nms vs 65 nms A newer manufacturing process allows for a more powerful, yet cooler running processor
More l2 cache 12 MB vs 8 MB 50% more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l2 cache per core 3 MB/core vs 2 MB/core 50% more l2 cache per core
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Lower typical power consumption 65W vs 85.31W Around 25% lower typical power consumption
Higher Maximum Operating Temperature 67 °C vs 62.2 °C Around 10% higher Maximum Operating Temperature
Marginally newer Nov, 2007 vs Jan, 2007 Release date 10 months later
Lower annual commercial energy cost 70.08 $/year vs 91.98 $/year Around 25% lower annual commercial energy cost
Lower annual home energy cost 19.27 $/year vs 25.29 $/year Around 25% lower annual home energy cost
Front view of Intel Core2 Quad Q6600

Reasons to consider the
Intel Core2 Quad Q6600

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Higher clock speed 2.4 GHz vs 2 GHz Around 20% higher clock speed

Benchmarks Real world tests of Xeon E5405 vs Core2 Quad Q6600

Specifications Full list of technical specs

summary

Xeon E5405  vs
Core2 Quad Q6600 
Clock speed 2 GHz 2.4 GHz
Cores Quad core Quad core
Socket type
LGA 771
LGA 775
Is hyperthreaded No No

features

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

power consumption

TDP 80W 105W
Annual home energy cost 19.27 $/year 25.29 $/year
Annual commercial energy cost 70.08 $/year 91.98 $/year
Performance per watt 5.57 pt/W 4.2 pt/W
Typical power consumption 65W 85.31W

bus

Architecture FSB FSB
Number of links 1 1
Clock speed 1,333 MHz 1,066 MHz

details

Xeon E5405  vs
Core2 Quad Q6600 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 12 MB 8 MB
L2 cache per core 3 MB/core 2 MB/core
Manufacture process 45 nms 65 nms
Transistor count 820,000,000 582,000,000
Max CPUs 2 1
Clock multiplier 6 9
Voltage range 0.85 - 1.35V 0.85 - 1.5V
Operating temperature Unknown - 67°C Unknown - 62.2°C

gpu

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
Intel Xeon E5405
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Intel Core2 Quad Q6600
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