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Differences What are the advantages of each

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 2.3 GHz More than 65% higher clock speed
Much more l2 cache 4 MB vs 1 MB 4x more l2 cache; more data can be stored in the l2 cache for quick access later
Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Much more l3 cache 4 MB vs 0.5 MB 8x more l3 cache; more data can be stored in the l3 cache for quick access later
Much newer manufacturing process 32 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better PassMark score 4,651 vs 1,098 Around 4.2x better PassMark score
Much better PassMark (Single core) score 1,406 vs 669 More than 2x better PassMark (Single core) score
Much better geekbench 2 (32-bit) score 5,404 vs 1,585 Around 3.5x better geekbench 2 (32-bit) score
Much better overclocked clock speed (Air) 4.48 GHz vs 3.01 GHz Around 50% better overclocked clock speed (Air)
More cores 4 vs 2 Twice as many cores; run more applications at once
More threads 4 vs 2 Twice as many threads
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Much more l3 cache per core 1 MB/core vs 0.25 MB/core 4x more l3 cache per core
Much better overclocked clock speed (Water) 4.98 GHz vs 3.27 GHz More than 50% better overclocked clock speed (Water)
Newer Oct, 2012 vs Apr, 2008 Release date over 4 years later
Front view of AMD Athlon X2 4450e

Reasons to consider the
AMD Athlon X2 4450e

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Much lower typical power consumption 36.56W vs 77.19W 2.1x lower typical power consumption
Much higher Maximum operating temperature 78 °C vs 70.5 °C More than 10% higher Maximum operating temperature
Much lower annual commercial energy cost 39.42 $/year vs 83.22 $/year 2.1x lower annual commercial energy cost
Much lower annual home energy cost 10.84 $/year vs 22.89 $/year 2.1x lower annual home energy cost

Benchmarks Real world tests of FX 4300 vs Athlon X2 4450e

GeekBench 3 (Multi-core) Data courtesy Primate Labs

FX 4300
5,582

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

FX 4300
2,210,000 MB/s
Athlon X2 4450e
63,550 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

FX 4300
5,404

GeekBench

FX 4300
5,404

Cinebench R10 32-Bit

FX 4300
12,857

PassMark Data courtesy Passmark

FX 4300
4,651

PassMark (Single Core)

Specifications Full list of technical specs

summary

FX 4300  vs
Athlon X2 4450e 
Clock speed 3.8 GHz 2.3 GHz
Cores Quad core Dual core
Socket type
AM3+
AM2
Is unlocked Yes No

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

power consumption

TDP 95W 45W
Annual home energy cost 22.89 $/year 10.84 $/year
Annual commercial energy cost 83.22 $/year 39.42 $/year
Performance per watt 9.24 pt/W 1.56 pt/W
Typical power consumption 77.19W 36.56W

details

FX 4300  vs
Athlon X2 4450e 
Architecture x86-64 x86-64
Threads 4 2
L2 cache 4 MB 1 MB
L2 cache per core 1 MB/core 0.5 MB/core
L3 cache 4 MB 0.5 MB
L3 cache per core 1 MB/core 0.25 MB/core
Manufacture process 32 nm 65 nm
Max CPUs 1 1
Operating temperature Unknown - 70.5°C Unknown - 78°C

overclocking

Overclocked clock speed 4.48 GHz 3.01 GHz
Overclocked clock speed (Water) 4.98 GHz 3.27 GHz
Overclocked clock speed (Air) 4.48 GHz 3.01 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 FX 4300
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AMD Athlon X2 4450e
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