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Differences What are the advantages of each

Front view of AMD Phenom X3 8450

Reasons to consider the
AMD Phenom X3 8450

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CPUBoss is not aware of any important advantages of the Phenom X3 8450 vs the Athlon X2 6400+.

Front view of AMD Athlon X2 6400+

Reasons to consider the
AMD Athlon X2 6400+

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CPUBoss is not aware of any important advantages of the Athlon X2 6400+ vs the Phenom X3 8450.

Benchmarks Real world tests of Phenom X3 8450 vs Athlon X2 6400+

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

Phenom X3 8450
80,100 MB/s
Athlon X2 6400+
87.5 MB/s

Cinebench R10 32-Bit

Cinebench R10 32-Bit (Single Core)

sysmark 2007 (overall)

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Phenom X3 8450  vs
Athlon X2 6400+ 
Clock speed 2.1 GHz 3.2 GHz
Cores Tri core Dual core
Socket type
AM2+
AM2
Is unlocked No No

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 95W 125W
Annual home energy cost 22.89 $/year 30.11 $/year
Annual commercial energy cost 83.22 $/year 109.5 $/year
Performance per watt 0.94 pt/W 0.56 pt/W
Typical power consumption 77.19W 101.56W

details

Phenom X3 8450  vs
Athlon X2 6400+ 
Architecture x86-64 x86-64
Threads 3 2
L2 cache 2 MB 2 MB
L2 cache per core 0.67 MB/core 1 MB/core
L3 cache 2 MB 0 MB
L3 cache per core 0.67 MB/core 0 MB/core
Manufacture process 65 nm 90 nm
Max CPUs 1 1
Operating temperature Unknown - 70°C Unknown - 55°C

overclocking

Overclocked clock speed 2.66 GHz 3.42 GHz
Overclocked clock speed (Water) 2.1 GHz 3.53 GHz
PassMark (Overclocked) 1,903.1 1,625.2
Overclocked clock speed (Air) 2.66 GHz 3.42 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
AMD Phenom X3 8450
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AMD Athlon X2 6400+
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