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Differences What are the advantages of each

Front view of Intel Core2 X7900

Reasons to consider the
Intel Core2 X7900

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CPUBoss is not aware of any important advantages of the X7900 Extreme Edition vs the QX9300 Extreme Edition.

Front view of Intel Core2 QX9300

Reasons to consider the
Intel Core2 QX9300

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CPUBoss is not aware of any important advantages of the QX9300 Extreme Edition vs the X7900 Extreme Edition.

Features Key features of the Core2 X7900  vs QX9300 

clock speed

Core2 X7900
2.8 GHz
Core2 QX9300
2.53 GHz

L2 cache

overclocked clock speed (air)

Core2 X7900
4.46 GHz
Core2 QX9300
3.33 GHz

overclocked clock speed (water)

Core2 X7900
4.59 GHz
Core2 QX9300
2.53 GHz

Specifications Full list of technical specs

summary

Core2 X7900  vs
QX9300 
Clock speed 2.8 GHz 2.53 GHz
Cores Dual core Quad core
Socket type
478
P
Is unlocked Yes Yes

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 44W 45W
Annual home energy cost 10.6 $/year 10.84 $/year
Typical power consumption 35.75W 36.56W

bus

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

details

Core2 X7900  vs
QX9300 
Architecture x86-64 x86-64
Threads 2 4
L2 cache 4 MB 12 MB
L2 cache per core 2 MB/core 3 MB/core
Manufacture process 65 nm 45 nm
Transistor count 291,000,000 820,000,000
Max CPUs 1 1
Clock multiplier 14 9
Voltage range 1.1 - 1.38V 1.05 - 1.18V

overclocking

Overclocked clock speed 4.46 GHz 3.33 GHz
Overclocked clock speed (Water) 4.59 GHz 2.53 GHz
Overclocked clock speed (Air) 4.46 GHz 3.33 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 X7900
Report a correction
Intel Core2 QX9300
Report a correction

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