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Differences What are the advantages of each

Front view of AMD FX 6300

Reasons to consider the
AMD FX 6300

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Much more l2 cache 6 MB vs 1 MB 6x more l2 cache; more data can be stored in the l2 cache for quick access later
More cores 6 vs 2 Three times as many cores; run more applications at once
More threads 6 vs 2 Three times as many threads
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Front view of AMD A6 7400K

Reasons to consider the
AMD A6 7400K

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much lower typical power consumption 52.81W vs 77.19W More than 30% lower typical power consumption
Newer manufacturing process 28 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much higher Maximum operating temperature 70 °C vs 62.5 °C More than 10% higher Maximum operating temperature
Significantly lower annual home energy cost 15.66 $/year vs 22.89 $/year More than 30% lower annual home energy cost
Significantly lower annual commercial energy cost 56.94 $/year vs 83.22 $/year More than 30% lower annual commercial energy cost
Newer Jan, 2014 vs Oct, 2012 Release date over 1 years later

Benchmarks Real world tests of FX 6300 vs A6 7400K

GeekBench 3 (Multi-core) Data courtesy Primate Labs

FX 6300
7,871
A6 7400K
3,180

GeekBench 3 (Single core) Data courtesy Primate Labs

FX 6300
2,053
A6 7400K
2,081

GeekBench 3 (AES single core) Data courtesy Primate Labs

FX 6300
2,290,000 MB/s
A6 7400K
1,910 MB/s

Cinebench R10 32-Bit

FX 6300
16,213
A6 7400K
6,851

Cinebench R10 32-Bit (Single Core)

FX 6300
4,101
A6 7400K
3,927

PassMark Data courtesy Passmark

FX 6300
6,444
A6 7400K
2,794

PassMark (Single Core)

FX 6300
1,446
A6 7400K
1,573

Specifications Full list of technical specs

summary

FX 6300  vs
A6 7400K 
Clock speed 3.5 GHz 3.5 GHz
Cores Hexa core Dual core
Socket type
AM3+
FM2+
Is unlocked Yes Yes

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
Supplemental SSE3
AES
TBM
Supports dynamic frequency scaling Yes Yes

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1866
Channels Dual Channel Dual Channel
Maximum bandwidth 29,866.66 MB/s 29,866.66 MB/s

details

FX 6300  vs
A6 7400K 
Architecture x86-64 x86-64
Threads 6 2
L2 cache 6 MB 1 MB
L2 cache per core 1 MB/core 0.5 MB/core
Manufacture process 32 nm 28 nm
Max CPUs 1 1
Operating temperature Unknown - 62.5°C Unknown - 70°C

integrated graphics

GPU None GPU
Label N/A Radeon R5 series

power consumption

TDP 95W 65W
Annual home energy cost 22.89 $/year 15.66 $/year
Annual commercial energy cost 83.22 $/year 56.94 $/year
Performance per watt 9.84 pt/W 2.8 pt/W
Typical power consumption 77.19W 52.81W
AMD FX 6300
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AMD A6 7400K
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