CPUBoss Review Our evaluation of 3380 vs 8320E among all CPUs

Performance

Benchmark performance using all cores

PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Sky Diver and Cloud Gate

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

No winner declared

Too close to call

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VS
Front view of AMD FX 8320E

AMD FX 8320E

CPUBoss Winner

Differences What are the advantages of each

Front view of AMD Opteron 3380

Reasons to consider the
AMD Opteron 3380

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Significantly lower typical power consumption 52.81W vs 77.19W More than 30% lower typical power consumption
Significantly lower annual home energy cost 15.66 $/year vs 22.89 $/year More than 30% lower annual home energy cost
Significantly lower annual commercial energy cost 56.94 $/year vs 83.22 $/year More than 30% lower annual commercial energy cost
Front view of AMD FX 8320E

Reasons to consider the
AMD FX 8320E

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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Higher clock speed 3.2 GHz vs 2.6 GHz Around 25% higher clock speed
Higher turbo clock speed 4 GHz vs 3.6 GHz More than 10% higher turbo clock speed
Much better performance per watt 11.12 pt/W vs 2.92 pt/W More than 3.8x better performance per watt
Much better overclocked clock speed (Air) 4.55 GHz vs 2.6 GHz More than 75% better overclocked clock speed (Air)
Better PassMark (Single core) score 1,361 vs 1,055 Around 30% better PassMark (Single core) score
Much better overclocked clock speed (Water) 4.5 GHz vs 2.6 GHz Around 75% better overclocked clock speed (Water)
Newer Sep, 2014 vs Dec, 2012 Release date over 1 years later
Better PassMark score 7,512 vs 6,384 Around 20% better PassMark score

Benchmarks Real world tests of Opteron 3380 vs FX 8320E

PassMark Data courtesy Passmark

Opteron 3380
6,384
FX 8320E
7,512

PassMark (Single Core)

Opteron 3380
1,055
FX 8320E
1,361

Specifications Full list of technical specs

summary

Opteron 3380  vs
FX 8320E 
Clock speed 2.6 GHz 3.2 GHz
Turbo clock speed 3.6 GHz 4 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 65W 95W
Annual home energy cost 15.66 $/year 22.89 $/year
Annual commercial energy cost 56.94 $/year 83.22 $/year
Performance per watt 2.92 pt/W 11.12 pt/W
Typical power consumption 52.81W 77.19W

details

Opteron 3380  vs
FX 8320E 
Architecture x86-64 x86-64
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
Die size 315 mm² 319 mm²
Clock multiplier 13 20
Operating temperature Unknown - 70.3°C Unknown - 70.5°C

overclocking

Overclocked clock speed 2.6 GHz 4.55 GHz
Overclocked clock speed (Water) 2.6 GHz 4.5 GHz
Overclocked clock speed (Air) 2.6 GHz 4.55 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 3380
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AMD FX 8320E
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