CPUBoss Review Our evaluation of 6366 HE vs 6276 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

5.3

CPUBoss Score

Combination of all six facets

Winner
AMD Opteron 6276 

CPUBoss recommends the AMD Opteron 6276  based on its single-core performance.

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VS
Front view of AMD Opteron 6276

AMD Opteron 6276

CPUBoss Winner

Differences What are the advantages of each

Front view of AMD Opteron 6366 HE

Reasons to consider the
AMD Opteron 6366 HE

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Significantly lower typical power consumption 69.06W vs 93.44W More than 25% lower typical power consumption
Much better overclocked clock speed (Water) 3.1 GHz vs 2.6 GHz Around 20% better overclocked clock speed (Water)
Significantly lower annual commercial energy cost 74.46 $/year vs 100.74 $/year More than 25% lower annual commercial energy cost
Significantly lower annual home energy cost 20.48 $/year vs 27.7 $/year More than 25% lower annual home energy cost
Newer Nov, 2012 vs Nov, 2011 Release date 11 months later
Front view of AMD Opteron 6276

Reasons to consider the
AMD Opteron 6276

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Much higher clock speed 2.3 GHz vs 1.8 GHz Around 30% higher clock speed
Much better performance per watt 6.03 pt/W vs 2.3 pt/W More than 2.5x better performance per watt
Much better overclocked clock speed (Air) 3.72 GHz vs 3.1 GHz Around 20% better overclocked clock speed (Air)
Higher turbo clock speed 3.2 GHz vs 3.1 GHz Around 5% higher turbo clock speed

Benchmarks Real world tests of Opteron 6366 HE vs 6276

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Opteron 6366 HE  vs
6276 
Clock speed 1.8 GHz 2.3 GHz
Turbo clock speed 3.1 GHz 3.2 GHz
Cores 16 core 16 core
Socket type
G34
Is unlocked No No

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
AVX 1.1
SSE2
F16C
MMX
SSE4
XOP
AVX
SSE3
SSE
ABM
BMI1
CLMUL
AMD64
SSE4.1
FMA4
FMA3
SSE4.2
CVT16
AMD-V
Supplemental SSE3
AES
TBM

power consumption

TDP 85W 115W
Annual home energy cost 20.48 $/year 27.7 $/year
Annual commercial energy cost 74.46 $/year 100.74 $/year
Performance per watt 2.3 pt/W 6.03 pt/W
Typical power consumption 69.06W 93.44W

memory controller

Memory controller Built-in Built-in
Memory type
DDR3

details

Opteron 6366 HE  vs
6276 
Threads 16 16
L2 cache 16 MB 16 MB
L2 cache per core 1 MB/core 1 MB/core
L3 cache 16 MB 16 MB
L3 cache per core 1 MB/core 1 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 4 4
Clock multiplier 9 16
Operating temperature Unknown - 65°C Unknown - 55°C

overclocking

Overclock popularity 0 1
Overclocked clock speed 3.1 GHz 3.72 GHz
Overclocked clock speed (Water) 3.1 GHz 2.6 GHz
Overclocked clock speed (Air) 3.1 GHz 3.72 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

bus

Architecture HyperTransport 3.0 HyperTransport 3.0
Transfer rate 6,400 MT/s 6,400 MT/s
Clock speed 3,200 MHz 3,200 MHz
AMD Opteron 6366 HE
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AMD Opteron 6276
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