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Differences What are the advantages of each

Front view of AMD Opteron 4386

Reasons to consider the
AMD Opteron 4386

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Much lower typical power consumption 77.19W vs 159.66W 2.1x 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 22.89 $/year vs 56.1 $/year 2.5x lower annual home energy cost
Much lower annual commercial energy cost 83.22 $/year vs 159.62 $/year Around 50% lower annual commercial energy cost
Higher Maximum operating temperature 70.5 °C vs 61 °C More than 15% higher Maximum operating temperature
Front view of AMD FX 8350

Reasons to consider the
AMD FX 8350

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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Significantly higher clock speed 4 GHz vs 3.1 GHz Around 30% higher clock speed
Much better geekbench 3 Multi-Core score 11,483 vs 1,846 Around 6.2x better geekbench 3 Multi-Core score
Higher turbo clock speed 4.2 GHz vs 3.8 GHz More than 10% higher turbo clock speed
Much better performance per watt 5.72 pt/W vs 0.67 pt/W Around 8.5x better performance per watt
Significantly better overclocked clock speed (Air) 4.69 GHz vs 3.41 GHz Around 40% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 8.79 GHz vs 3.1 GHz More than 2.8x better overclocked clock speed (Water)
Better geekbench 3 single core score 2,193 vs 1,851 Around 20% better geekbench 3 single core score

Benchmarks Real world tests of Opteron 4386 vs FX 8350

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Opteron 4386
1,846
FX 8350
11,483

GeekBench 3 (Single core) Data courtesy Primate Labs

Opteron 4386
1,851
FX 8350
2,193

GeekBench 3 (AES single core) Data courtesy Primate Labs

Opteron 4386
2,200 MB/s
FX 8350
2,470,000 MB/s

Specifications Full list of technical specs

summary

Opteron 4386  vs
FX 8350 
Clock speed 3.1 GHz 4 GHz
Turbo clock speed 3.8 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
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 95W 125W
Annual home energy cost 22.89 $/year 56.1 $/year
Annual commercial energy cost 83.22 $/year 159.62 $/year
Performance per watt 0.67 pt/W 5.72 pt/W
Typical power consumption 77.19W 159.66W

bus

Clock speed 3,200 MHz 2,600 MHz

details

Opteron 4386  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 19 21
Operating temperature Unknown - 70.5°C Unknown - 61°C

overclocking

Overclocked clock speed 3.41 GHz 4.69 GHz
Overclocked clock speed (Water) 3.1 GHz 8.79 GHz
Overclocked clock speed (Air) 3.41 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

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 4386
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AMD FX 8350
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