CPUBoss Review Our evaluation of 945 vs Q6600 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

4.8

CPUBoss Score

Combination of all six facets

Winner
Intel Pentium D 945 

CPUBoss recommends the Intel Pentium D 945  based on its .

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VS

Differences What are the advantages of each

Front view of Intel Pentium D 945

Reasons to consider the
Intel Pentium D 945

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CPUBoss is not aware of any important advantages of the Pentium D 945 vs the Core2 Quad Q6600.

Front view of Intel Core2 Quad Q6600

Reasons to consider the
Intel Core2 Quad Q6600

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Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines

Benchmarks Real world tests of Pentium D 945 vs Core2 Quad Q6600

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

Pentium D 945
122,800 MB/s
Core2 Quad Q6600
102,800 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench (64-bit) Data courtesy Primate Labs

GeekBench

Specifications Full list of technical specs

summary

Pentium D 945  vs
Core2 Quad Q6600 
Clock speed 3.4 GHz 2.4 GHz
Cores Dual core Quad core
Socket type
LGA 775

features

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

power consumption

TDP 95W 105W
Annual home energy cost 22.89 $/year 25.29 $/year
Annual commercial energy cost 83.22 $/year 91.98 $/year
Performance per watt 1.14 pt/W 1.2 pt/W
Typical power consumption 77.19W 85.31W

bus

Architecture FSB FSB
Number of links 1 1
Clock speed 800 MHz 1,066 MHz

details

Pentium D 945  vs
Core2 Quad Q6600 
Architecture x86-64 x86-64
Threads 2 4
L2 cache 4 MB 8 MB
L2 cache per core 2 MB/core 2 MB/core
Manufacture process 65 nm 65 nm
Transistor count 376,000,000 582,000,000
Max CPUs 1 1
Clock multiplier 17 9
Voltage range 1.2 - 1.34V 0.85 - 1.5V
Operating temperature Unknown - 63.4°C Unknown - 62.2°C

overclocking

Overclock popularity 9 278
Overclocked clock speed 4.22 GHz 3.52 GHz
Overclocked clock speed (Water) 4.49 GHz 3.65 GHz
Overclocked clock speed (Air) 4.22 GHz 3.52 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
Intel Pentium D 945
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Intel Core2 Quad Q6600
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