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Differences What are the advantages of each

Front view of AMD Opteron 6172

Reasons to consider the
AMD Opteron 6172

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Supports more CPUs in SMP configuration 4 vs 1 3 supports more CPUs in SMP configuration
More cores 12 vs 6 Twice as many cores; run more applications at once
More l3 cache 12 MB vs 8 MB 50% more l3 cache; more data can be stored in the l3 cache for quick access later
More threads 12 vs 6 Twice as many threads
Front view of AMD FX 6300

Reasons to consider the
AMD FX 6300

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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Much higher clock speed 3.5 GHz vs 2.1 GHz More than 65% 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 geekbench 3 Multi-Core score 7,871 vs 3,906 More than 2x better geekbench 3 Multi-Core score
Much better performance per watt 9.84 pt/W vs 0.99 pt/W Around 10x better performance per watt
Much better overclocked clock speed (Air) 4.75 GHz vs 2.5 GHz Around 90% better overclocked clock speed (Air)
Significantly better geekbench 3 single core score 2,053 vs 1,050 More than 95% better geekbench 3 single core score
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Lower typical power consumption 77.19W vs 93.44W More than 15% lower typical power consumption
Much better overclocked clock speed (Water) 4.82 GHz vs 2.1 GHz More than 2.2x better overclocked clock speed (Water)
Newer Oct, 2012 vs Mar, 2010 Release date over 2 years later
More l3 cache per core 1.33 MB/core vs 1 MB/core Around 35% more l3 cache per core
Higher Maximum operating temperature 62.5 °C vs 55 °C Around 15% higher Maximum operating temperature
Lower annual commercial energy cost 83.22 $/year vs 100.74 $/year More than 15% lower annual commercial energy cost
Lower annual home energy cost 22.89 $/year vs 27.7 $/year More than 15% lower annual home energy cost

Benchmarks Real world tests of Opteron 6172 vs FX 6300

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Opteron 6172
3,906
FX 6300
7,871

GeekBench 3 (Single core) Data courtesy Primate Labs

Opteron 6172
1,050
FX 6300
2,053

GeekBench 3 (AES single core) Data courtesy Primate Labs

Opteron 6172
88,100 MB/s
FX 6300
2,290,000 MB/s

Specifications Full list of technical specs

summary

Opteron 6172  vs
FX 6300 
Clock speed 2.1 GHz 3.5 GHz
Cores Duodeca core Hexa core
Socket type
G34
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
3DNow!
Supplemental SSE3
AES
TBM

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

details

Opteron 6172  vs
FX 6300 
Threads 12 6
L2 cache 6 MB 6 MB
L2 cache per core 0.5 MB/core 1 MB/core
L3 cache 12 MB 8 MB
L3 cache per core 1 MB/core 1.33 MB/core
Manufacture process 45 nm 32 nm
Max CPUs 4 1
Clock multiplier 10 20
Voltage range 1.19 - UnknownV 0.8 - 1.43V
Operating temperature Unknown - 55°C Unknown - 62.5°C

overclocking

Overclock popularity 1 82
Overclocked clock speed 2.5 GHz 4.75 GHz
Overclocked clock speed (Water) 2.1 GHz 4.82 GHz
Overclocked clock speed (Air) 2.5 GHz 4.75 GHz

power consumption

TDP 115W 95W
Annual home energy cost 27.7 $/year 22.89 $/year
Annual commercial energy cost 100.74 $/year 83.22 $/year
Performance per watt 0.99 pt/W 9.84 pt/W
Typical power consumption 93.44W 77.19W

bus

Clock speed 3,200 MHz 2,600 MHz
AMD Opteron 6172
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AMD FX 6300
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