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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Significantly newer manufacturing process 45 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly better performance per dollar 9.68 pt/$ vs 6.16 pt/$ More than 55% better performance per dollar
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
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

GeekBench (32-bit)

GeekBench

Passmark

Passmark (Single Core)

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
SSE2
MMX
SSE3
SSE
SSE4.1
Supplemental SSE3
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 5.45 pt/W 4.11 pt/W
Typical power consumption 65W 85.31W

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 nm 65 nm
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

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 1,066 MHz
Intel Xeon E5405
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Intel Core2 Quad Q6600
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