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Differences What are the advantages of each

Front view of Intel Core2 QX9300

Reasons to consider the
Intel Core2 QX9300

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Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Front view of Intel Core2 Duo P7450

Reasons to consider the
Intel Core2 Duo P7450

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CPUBoss is not aware of any important advantages of the Core2 Duo P7450 vs the Core2 QX9300.

Benchmarks Real world tests of Core2 QX9300 vs Duo P7450

3D Mark 06 (CPU)

Specifications Full list of technical specs

summary

Core2 QX9300  vs
Duo P7450 
Clock speed 2.53 GHz 2.13 GHz
Cores Quad core Dual core
Socket type
478
P

features

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

power consumption

TDP 45W 25W
Annual home energy cost 10.84 $/year 6.02 $/year
Typical power consumption 36.56W 20.31W

bus

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

details

Core2 QX9300  vs
Duo P7450 
Architecture x86-64 x86-64
Threads 4 2
L2 cache 12 MB 3 MB
L2 cache per core 3 MB/core 1.5 MB/core
Manufacture process 45 nm 45 nm
Transistor count 820,000,000 410,000,000
Max CPUs 1 1
Clock multiplier 9 7
Voltage range 1.05 - 1.18V 1.05 - 1.15V

overclocking

Overclocked clock speed 3.33 GHz 2.68 GHz
Overclocked clock speed (Water) 2.53 GHz 2.13 GHz
Overclocked clock speed (Air) 3.33 GHz 2.68 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 Core2 QX9300
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Intel Core2 Duo P7450
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