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Differences What are the advantages of each

Front view of Intel Core2 X9000

Reasons to consider the
Intel Core2 X9000

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CPUBoss is not aware of any important advantages of the X9000 Extreme Edition vs the X7900 Extreme Edition.

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 X9000 Extreme Edition.

Benchmarks Real world tests of Core2 X9000 vs X7900

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core2 X9000
2,702
Core2 X7900
2,714

GeekBench 3 (Single core) Data courtesy Primate Labs

Core2 X9000
1,440
Core2 X7900
1,500

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core2 X9000
118.9 MB/s
Core2 X7900
114,600 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Core2 X9000
1,762
Core2 X7900
2,587

GeekBench

Core2 X9000
3,090
Core2 X7900
4,804

PassMark Data courtesy Passmark

Core2 X9000
1,884
Core2 X7900
22,793

PassMark (Single Core)

Core2 X9000
1,070
Core2 X7900
2,499

Specifications Full list of technical specs

summary

Core2 X9000  vs
X7900 
Clock speed 2.8 GHz 2.8 GHz
Cores Dual core Dual 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 44W
Annual home energy cost 10.6 $/year 10.6 $/year
Performance per watt 1.73 pt/W 7.24 pt/W
Typical power consumption 35.75W 35.75W

details

Core2 X9000  vs
X7900 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 6 MB 4 MB
L2 cache per core 3 MB/core 2 MB/core
Manufacture process 45 nm 65 nm
Transistor count 410,000,000 291,000,000
Max CPUs 1 1
Clock multiplier 14 14
Voltage range 1 - 1.27V 1.1 - 1.38V

overclocking

Overclocked clock speed 3.58 GHz 4.46 GHz
Overclocked clock speed (Water) 2.8 GHz 4.59 GHz
Overclocked clock speed (Air) 3.58 GHz 4.46 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

bus

Architecture FSB FSB
Number of links 1 1
Clock speed 800 MHz 800 MHz
Intel Core2 X9000
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Intel Core2 X7900
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