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Differences What are the advantages of each

Front view of AMD Opteron 4376 HE

Reasons to consider the
AMD Opteron 4376 HE

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Much lower typical power consumption 52.81W vs 101.56W Around 50% lower typical power consumption
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Much lower annual home energy cost 15.66 $/year vs 30.11 $/year Around 50% lower annual home energy cost
Much lower annual commercial energy cost 56.94 $/year vs 109.5 $/year Around 50% lower annual commercial energy cost
Higher Maximum operating temperature 68 °C vs 61.1 °C More than 10% higher Maximum operating temperature
Front view of AMD FX 8320

Reasons to consider the
AMD FX 8320

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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Significantly higher clock speed 3.5 GHz vs 2.6 GHz Around 35% higher clock speed
Higher turbo clock speed 4 GHz vs 3.6 GHz More than 10% higher turbo clock speed
Much better overclocked clock speed (Air) 4.56 GHz vs 2.6 GHz More than 75% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 4.75 GHz vs 2.6 GHz Around 85% better overclocked clock speed (Water)

Features Key features of the Opteron 4376 HE  vs FX 8320 

clock speed

Opteron 4376 HE
2.6 GHz
FX 8320
3.5 GHz

turbo clock speed

Opteron 4376 HE
3.6 GHz
FX 8320
4 GHz

L2 cache

L3 cache

overclocked clock speed (air)

Opteron 4376 HE
2.6 GHz
FX 8320
4.56 GHz

overclocked clock speed (water)

Opteron 4376 HE
2.6 GHz
FX 8320
4.75 GHz

Specifications Full list of technical specs

summary

Opteron 4376 HE  vs
FX 8320 
Clock speed 2.6 GHz 3.5 GHz
Turbo clock speed 3.6 GHz 4 GHz
Cores Octa core Octa core
Socket type
C32
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
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

power consumption

TDP 65W 125W
Annual home energy cost 15.66 $/year 30.11 $/year
Annual commercial energy cost 56.94 $/year 109.5 $/year
Typical power consumption 52.81W 101.56W

bus

Clock speed 3,200 MHz 2,600 MHz

details

Opteron 4376 HE  vs
FX 8320 
Threads 8 8
L2 cache 8 MB 8 MB
L2 cache per core 1 MB/core 1 MB/core
L3 cache 8 MB 8 MB
L3 cache per core 1 MB/core 1 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 2 1
Clock multiplier 13 20
Operating temperature Unknown - 68°C Unknown - 61.1°C

overclocking

Overclocked clock speed 2.6 GHz 4.56 GHz
Overclocked clock speed (Water) 2.6 GHz 4.75 GHz
Overclocked clock speed (Air) 2.6 GHz 4.56 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

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
AMD Opteron 4376 HE
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AMD FX 8320
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