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Differences What are the advantages of each

Front view of AMD Opteron 6320

Reasons to consider the
AMD Opteron 6320

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Much more l2 cache 8 MB vs 6 MB Around 35% more l2 cache; more data can be stored in the l2 cache for quick access later
Supports more CPUs in SMP configuration 4 vs 1 3 supports more CPUs in SMP configuration
More l3 cache 16 MB vs 8 MB 2x more l3 cache; more data can be stored in the l3 cache for quick access later
More cores 8 vs 6 2 more cores; run more applications at once
Significantly more l3 cache per core 2 MB/core vs 1.33 MB/core More than 50% more l3 cache per core
Higher Maximum operating temperature 71.7 °C vs 62.5 °C Around 15% higher Maximum operating temperature
More threads 8 vs 6 2 more 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
Higher clock speed 3.5 GHz vs 2.8 GHz More than 25% higher clock speed
Higher turbo clock speed 4.1 GHz vs 3.3 GHz Around 25% higher turbo clock speed
Much better performance per watt 9.84 pt/W vs 0.77 pt/W Around 12.8x better performance per watt
Much better geekbench 3 Multi-Core score 7,871 vs 4,481 More than 75% better geekbench 3 Multi-Core score
Much better overclocked clock speed (Air) 4.75 GHz vs 3.3 GHz Around 45% better overclocked clock speed (Air)
Lower typical power consumption 77.19W vs 93.44W More than 15% lower typical power consumption
Better geekbench 3 single core score 2,053 vs 1,810 Around 15% better geekbench 3 single core score
Much better overclocked clock speed (Water) 4.82 GHz vs 3.3 GHz More than 45% better overclocked clock speed (Water)
Lower annual home energy cost 22.89 $/year vs 27.7 $/year More than 15% lower annual home energy cost
Lower annual commercial energy cost 83.22 $/year vs 100.74 $/year More than 15% lower annual commercial energy cost

Benchmarks Real world tests of Opteron 6320 vs FX 6300

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Opteron 6320
4,481
FX 6300
7,871

GeekBench 3 (Single core) Data courtesy Primate Labs

Opteron 6320
1,810
FX 6300
2,053

GeekBench 3 (AES single core) Data courtesy Primate Labs

Opteron 6320
1,830 MB/s
FX 6300
2,290,000 MB/s

Specifications Full list of technical specs

summary

Opteron 6320  vs
FX 6300 
Clock speed 2.8 GHz 3.5 GHz
Turbo clock speed 3.3 GHz 4.1 GHz
Cores Octa 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
Supplemental SSE3
AES
TBM
Supports dynamic frequency scaling Yes Yes

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 0.77 pt/W 9.84 pt/W
Typical power consumption 93.44W 77.19W

bus

Clock speed 3,200 MHz 2,600 MHz

details

Opteron 6320  vs
FX 6300 
Threads 8 6
L2 cache 8 MB 6 MB
L2 cache per core 1 MB/core 1 MB/core
L3 cache 16 MB 8 MB
L3 cache per core 2 MB/core 1.33 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 4 1
Clock multiplier 16 20
Operating temperature Unknown - 71.7°C Unknown - 62.5°C

overclocking

Overclock popularity 0 82
Overclocked clock speed 3.3 GHz 4.75 GHz
Overclocked clock speed (Water) 3.3 GHz 4.82 GHz
Overclocked clock speed (Air) 3.3 GHz 4.75 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 Quad Channel Dual Channel
Supports ECC Yes Yes
Maximum bandwidth 25,600 MB/s 29,866.66 MB/s
AMD Opteron 6320
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AMD FX 6300
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