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Differences What are the advantages of each

Front view of AMD Opteron 8381 HE

Reasons to consider the
AMD Opteron 8381 HE

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Much lower typical power consumption 44.69W vs 197.75W 4.4x lower typical power consumption
Supports more CPUs in SMP configuration 8 vs 1 7 supports more CPUs in SMP configuration
Much lower annual home energy cost 13.25 $/year vs 67.45 $/year 5.1x lower annual home energy cost
Much lower annual commercial energy cost 48.18 $/year vs 200.6 $/year 4.2x lower annual commercial energy cost
More l3 cache per core 1.5 MB/core vs 1 MB/core 50% more l3 cache per core
Front view of AMD FX 8150

Reasons to consider the
AMD FX 8150

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Much more l2 cache 8 MB vs 2 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
Significantly higher clock speed 3.6 GHz vs 2.5 GHz Around 45% higher clock speed
Much newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better overclocked clock speed (Air) 4.71 GHz vs 2.5 GHz Around 90% better overclocked clock speed (Air)
More cores 8 vs 4 Twice as many cores; run more applications at once
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Slightly more l3 cache 8 MB vs 6 MB Around 35% more l3 cache; more data can be stored in the l3 cache for quick access later
More threads 8 vs 4 Twice as many threads
Newer Oct, 2011 vs Apr, 2009 Release date over 2 years later
Much better overclocked clock speed (Water) 4.66 GHz vs 2.5 GHz More than 85% better overclocked clock speed (Water)
Higher Maximum operating temperature 61 °C vs 55 °C More than 10% higher Maximum operating temperature

Features Key features of the Opteron 8381 HE  vs FX 8150 

clock speed

Opteron 8381 HE
2.5 GHz
FX 8150
3.6 GHz

L2 cache

L3 cache

overclocked clock speed (air)

Opteron 8381 HE
2.5 GHz
FX 8150
4.71 GHz

overclocked clock speed (water)

Opteron 8381 HE
2.5 GHz
FX 8150
4.66 GHz

TDP

Specifications Full list of technical specs

summary

Opteron 8381 HE  vs
FX 8150 
Clock speed 2.5 GHz 3.6 GHz
Cores Quad core Octa core
Socket type
F
AM3+
Is unlocked No Yes

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
F16C
MMX
XOP
AVX
SSE3
SSE
ABM
CLMUL
AMD64
SSE4.1
FMA4
SSE4.2
CVT16
AMD-V
3DNow!
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 55W 125W
Annual home energy cost 13.25 $/year 67.45 $/year
Annual commercial energy cost 48.18 $/year 200.6 $/year
Typical power consumption 44.69W 197.75W

bus

Architecture HyperTransport 3.0 HyperTransport 3.1
Clock speed 2,000 MHz 2,600 MHz

details

Opteron 8381 HE  vs
FX 8150 
Threads 4 8
L2 cache 2 MB 8 MB
L2 cache per core 0.5 MB/core 1 MB/core
L3 cache 6 MB 8 MB
L3 cache per core 1.5 MB/core 1 MB/core
Manufacture process 45 nm 32 nm
Max CPUs 8 1
Clock multiplier 12 21
Voltage range 1.32 - UnknownV 1.22 - 1.52V
Operating temperature 0 - 55°C Unknown - 61°C

overclocking

Overclocked clock speed 2.5 GHz 4.71 GHz
Overclocked clock speed (Water) 2.5 GHz 4.66 GHz
Overclocked clock speed (Air) 2.5 GHz 4.71 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 Opteron 8381 HE
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AMD FX 8150
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