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Differences What are the advantages of each

Front view of AMD Phenom X4 9450e

Reasons to consider the
AMD Phenom X4 9450e

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Much lower typical power consumption 52.81W vs 152.93W 2.9x lower typical power consumption
Much better performance per watt 1.48 pt/W vs 1.08 pt/W More than 35% better performance per watt
Much higher Maximum operating temperature 70 °C vs 62 °C Around 15% higher Maximum operating temperature
Much lower annual home energy cost 15.66 $/year vs 54.06 $/year 3.5x lower annual home energy cost
Much lower annual commercial energy cost 56.94 $/year vs 152.42 $/year 2.7x lower annual commercial energy cost
Front view of AMD Phenom II X4 965

Reasons to consider the
AMD Phenom II X4 965

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Much higher clock speed 3.4 GHz vs 2.1 GHz More than 60% higher clock speed
Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Much better PassMark (Single core) score 1,361 vs 759 Around 80% better PassMark (Single core) score
Much newer manufacturing process 45 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better overclocked clock speed (Air) 4.05 GHz vs 2.51 GHz More than 60% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 4.22 GHz vs 2.1 GHz More than 2x better overclocked clock speed (Water)

Benchmarks Real world tests of Phenom X4 9450e vs II X4 965

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Phenom X4 9450e  vs
II X4 965 
Clock speed 2.1 GHz 3.4 GHz
Cores Quad core Quad core
Socket type
AM2+
AM3
Is unlocked No Yes

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE3
SSE
3DNow!
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 65W 140W
Annual home energy cost 15.66 $/year 54.06 $/year
Annual commercial energy cost 56.94 $/year 152.42 $/year
Performance per watt 1.48 pt/W 1.08 pt/W
Typical power consumption 52.81W 152.93W

details

Phenom X4 9450e  vs
II X4 965 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 2 MB 2 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
L3 cache 2 MB 6 MB
L3 cache per core 0.5 MB/core 1.5 MB/core
Manufacture process 65 nm 45 nm
Max CPUs 1 1
Operating temperature Unknown - 70°C Unknown - 62°C

overclocking

Overclocked clock speed 2.51 GHz 4.05 GHz
Overclocked clock speed (Water) 2.1 GHz 4.22 GHz
Overclocked clock speed (Air) 2.51 GHz 4.05 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

Clock speed 1,800 MHz 2,000 MHz
AMD Phenom X4 9450e
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AMD Phenom II X4 965
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