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Differences What are the advantages of each

Front view of AMD Phenom II X4 2.5 GHz

Reasons to consider the
AMD Phenom II X4 2.5 GHz

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CPUBoss is not aware of any important advantages of the Phenom II X4 2.5 GHz vs the FX 4300.

Front view of AMD FX 4300

Reasons to consider the
AMD FX 4300

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Much higher clock speed 3.8 GHz vs 2.5 GHz More than 50% higher clock speed
Much newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core

Features Key features of the Phenom II X4 2.5 GHz  vs FX 4300 

clock speed

FX 4300
3.8 GHz

L2 cache

L3 cache

Specifications Full list of technical specs

summary

Phenom II X4 2.5 GHz  vs
FX 4300 
Clock speed 2.5 GHz 3.8 GHz
Cores Quad core Quad core

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
AVX 1.1
SSE2
F16C
MMX
XOP
AVX
SSE3
SSE
ABM
BMI1
CLMUL
AMD64
SSE4.1
FMA4
FMA3
SSE4.2
CVT16
AMD-V
3DNow!
Supplemental SSE3
AES
TBM
Supports dynamic frequency scaling Yes Yes

details

Phenom II X4 2.5 GHz  vs
FX 4300 
Threads 4 4
L2 cache 2 MB 4 MB
L2 cache per core 0.5 MB/core 1 MB/core
L3 cache 6 MB 4 MB
L3 cache per core 1.5 MB/core 1 MB/core
Manufacture process 45 nm 32 nm
Max CPUs 1 1

power consumption

Typical power consumption N/A 77.19W
AMD Phenom II X4 2.5 GHz
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AMD FX 4300
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