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Differences What are the advantages of each

Front view of AMD Opteron 4276 HE

Reasons to consider the
AMD Opteron 4276 HE

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Much lower typical power consumption 52.81W vs 159.66W 3x 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 56.1 $/year 3.6x lower annual home energy cost
Much lower annual commercial energy cost 56.94 $/year vs 159.62 $/year 2.8x lower annual commercial energy cost
Higher Maximum operating temperature 68 °C vs 61 °C More than 10% higher Maximum operating temperature
Front view of AMD FX 8350

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AMD FX 8350

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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Much higher clock speed 4 GHz vs 2.6 GHz Around 55% higher clock speed
Higher turbo clock speed 4.2 GHz vs 3.6 GHz More than 15% higher turbo clock speed
Much better overclocked clock speed (Air) 4.69 GHz vs 2.6 GHz More than 80% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 8.79 GHz vs 2.6 GHz Around 3.5x better overclocked clock speed (Water)
Newer Oct, 2012 vs Jun, 2012 Release date 4 months later

Features Key features of the Opteron 4276 HE  vs FX 8350 

clock speed

Opteron 4276 HE
2.6 GHz
FX 8350
4 GHz

turbo clock speed

Opteron 4276 HE
3.6 GHz
FX 8350
4.2 GHz

L2 cache

L3 cache

overclocked clock speed (air)

Opteron 4276 HE
2.6 GHz
FX 8350
4.69 GHz

overclocked clock speed (water)

Opteron 4276 HE
2.6 GHz
FX 8350
8.79 GHz

Specifications Full list of technical specs

summary

Opteron 4276 HE  vs
FX 8350 
Clock speed 2.6 GHz 4 GHz
Turbo clock speed 3.6 GHz 4.2 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
SSE4
XOP
AVX
SSE3
SSE
ABM
BMI1
CLMUL
AMD64
SSE4.1
FMA4
FMA3
SSE4.2
CVT16
AMD-V
Supplemental SSE3
AES
TBM

power consumption

TDP 65W 125W
Annual home energy cost 15.66 $/year 56.1 $/year
Annual commercial energy cost 56.94 $/year 159.62 $/year
Typical power consumption 52.81W 159.66W

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1866
DDR3

details

Opteron 4276 HE  vs
FX 8350 
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 21
Operating temperature Unknown - 68°C Unknown - 61°C

overclocking

Overclocked clock speed 2.6 GHz 4.69 GHz
Overclocked clock speed (Water) 2.6 GHz 8.79 GHz
Overclocked clock speed (Air) 2.6 GHz 4.69 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

bus

Clock speed 3,200 MHz 2,600 MHz
AMD Opteron 4276 HE
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AMD FX 8350
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