CPUBoss Review Our evaluation of 2356 vs 3670K 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

6.8

CPUBoss Score

Combination of all six facets

Winner
AMD A6 3670K 

CPUBoss recommends the AMD A6 3670K  based on its performance and single-core performance.

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VS

Differences What are the advantages of each

Front view of AMD Opteron 2356

Reasons to consider the
AMD Opteron 2356

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Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Significantly lower typical power consumption 60.94W vs 81.25W 25% lower typical power consumption
Significantly better geekbench 3 Multi-Core score 7,681 vs 5,104 More than 50% better geekbench 3 Multi-Core score
More l3 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l3 cache per core
Significantly lower annual home energy cost 18.07 $/year vs 24.09 $/year More than 25% lower annual home energy cost
Significantly lower annual commercial energy cost 65.7 $/year vs 87.6 $/year Around 25% lower annual commercial energy cost
Front view of AMD A6 3670K

Reasons to consider the
AMD A6 3670K

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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Much more l2 cache 4 MB vs 2 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Much newer manufacturing process 32 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Higher clock speed 2.7 GHz vs 2.3 GHz More than 15% higher clock speed
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Significantly higher Maximum operating temperature 72.7 °C vs 55 °C More than 30% higher Maximum operating temperature
Significantly better overclocked clock speed (Air) 3.33 GHz vs 2.43 GHz More than 35% better overclocked clock speed (Air)
Newer Dec, 2011 vs Apr, 2008 Release date over 3 years later
Better geekbench 3 single core score 1,454 vs 1,090 Around 35% better geekbench 3 single core score
Significantly better overclocked clock speed (Water) 3.59 GHz vs 2.3 GHz More than 55% better overclocked clock speed (Water)

Benchmarks Real world tests of Opteron 2356 vs A6 3670K

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Opteron 2356
7,681
A6 3670K
5,104

GeekBench 3 (Single core) Data courtesy Primate Labs

Opteron 2356
1,090
A6 3670K
1,454

GeekBench 3 (AES single core) Data courtesy Primate Labs

Opteron 2356
86.9 MB/s
A6 3670K
113,200 MB/s

PassMark Data courtesy Passmark

Opteron 2356
2,814
A6 3670K
3,208

PassMark (Single Core)

Specifications Full list of technical specs

summary

Opteron 2356  vs
A6 3670K 
Clock speed 2.3 GHz 2.7 GHz
Cores Quad core Quad core
Is unlocked No Yes

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE3
SSE
AMD64
AMD-V
3DNow!
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 75W 100W
Annual home energy cost 18.07 $/year 24.09 $/year
Annual commercial energy cost 65.7 $/year 87.6 $/year
Performance per watt 1.36 pt/W 1.41 pt/W
Typical power consumption 60.94W 81.25W

details

Opteron 2356  vs
A6 3670K 
Threads 4 4
L2 cache 2 MB 4 MB
L2 cache per core 0.5 MB/core 1 MB/core
L3 cache 2 MB 1 MB
L3 cache per core 0.5 MB/core 0.25 MB/core
Manufacture process 65 nm 32 nm
Max CPUs 2 1
Voltage range 1 - UnknownV 0.45 - 1.41V
Operating temperature 0 - 55°C Unknown - 72.7°C

overclocking

Overclocked clock speed 2.43 GHz 3.33 GHz
Overclocked clock speed (Water) 2.3 GHz 3.59 GHz
Overclocked clock speed (Air) 2.43 GHz 3.33 GHz

integrated graphics

GPU None GPU
Label N/A Radeon™ HD 6530D
Latest DirectX N/A 11.0
Number of displays supported N/A 2
GPU clock speed N/A 443 MHz
Turbo clock speed N/A 658 MHz
AMD Opteron 2356
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AMD A6 3670K
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