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Differences What are the advantages of each

Front view of Intel Core i7 4700EC

Reasons to consider the
Intel Core i7 4700EC

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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 34.94W vs 101.56W 2.9x lower typical power consumption
Significantly newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly more l3 cache per core 2 MB/core vs 1 MB/core 2x more l3 cache per core
Much lower annual home energy cost 10.36 $/year vs 30.11 $/year 2.9x lower annual home energy cost
Much lower annual commercial energy cost 37.67 $/year vs 109.5 $/year 2.9x lower annual commercial energy cost
Newer Feb, 2014 vs Oct, 2012 Release date over 1 years later
Front view of AMD FX 8320

Reasons to consider the
AMD FX 8320

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Much more l2 cache 8 MB vs 1 MB 8x 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
Significantly higher clock speed 3.5 GHz vs 2.7 GHz Around 30% higher clock speed
Much more l2 cache per core 1 MB/core vs 0.25 MB/core 4x more l2 cache per core
Much better overclocked clock speed (Air) 4.56 GHz vs 2.7 GHz Around 70% better overclocked clock speed (Air)
More cores 8 vs 4 Twice as many cores; run more applications at once
Much better overclocked clock speed (Water) 4.75 GHz vs 2.7 GHz More than 75% better overclocked clock speed (Water)

Features Key features of the Core i7 4700EC  vs FX 8320 

clock speed

Core i7 4700EC
2.7 GHz
FX 8320
3.5 GHz

L2 cache

L3 cache

overclocked clock speed (air)

Core i7 4700EC
2.7 GHz
FX 8320
4.56 GHz

overclocked clock speed (water)

Core i7 4700EC
2.7 GHz
FX 8320
4.75 GHz

TDP

Specifications Full list of technical specs

summary

Core i7 4700EC  vs
FX 8320 
Clock speed 2.7 GHz 3.5 GHz
Cores Quad core Octa core
Socket type
BGA 1364
AM3+
Is unlocked No Yes

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
AVX 1.1
SSE2
F16C
MMX
SSE4
XOP
AVX
SSE3
SSE
ABM
BMI1
CLMUL
AMD64
SSE4.1
FMA4
FMA3
SSE4.2
CVT16
AMD-V
Supplemental SSE3
AES
TBM
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 43W 125W
Annual home energy cost 10.36 $/year 30.11 $/year
Annual commercial energy cost 37.67 $/year 109.5 $/year
Typical power consumption 34.94W 101.56W

details

Core i7 4700EC  vs
FX 8320 
Architecture x86-64 x86-64
Threads 8 8
L2 cache 1 MB 8 MB
L2 cache per core 0.25 MB/core 1 MB/core
L3 cache 8 MB 8 MB
L3 cache per core 2 MB/core 1 MB/core
Manufacture process 22 nm 32 nm
Max CPUs 1 1
Clock multiplier 27 20

overclocking

Overclocked clock speed 2.7 GHz 4.56 GHz
Overclocked clock speed (Water) 2.7 GHz 4.75 GHz
Overclocked clock speed (Air) 2.7 GHz 4.56 GHz

integrated graphics

GPU GPU None
Number of displays supported 3 N/A

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1866
DDR3
Channels Dual Channel Dual Channel
Supports ECC Yes Yes
Maximum bandwidth 12,800 MB/s 29,866.66 MB/s
Intel Core i7 4700EC
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AMD FX 8320
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