CPUBoss Review Our evaluation of 6700K vs 2423 HE 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

9.1

CPUBoss Score

Combination of all six facets

Winner
AMD Opteron 2423 HE 

CPUBoss recommends the AMD Opteron 2423 HE  based on its power consumption.

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VS

Differences What are the advantages of each

Front view of Intel Core i7 6700K

Reasons to consider the
Intel Core i7 6700K

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Much higher clock speed 4 GHz vs 2 GHz 2x higher clock speed
Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Much newer manufacturing process 14 nm vs 45 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
Much better geekbench 3 AES single core score 6,010 MB/s vs 79.8 MB/s More than 75.2x better geekbench 3 AES single core score
Much better geekbench 3 Multi-Core score 17,583 vs 10,008 More than 75% better geekbench 3 Multi-Core score
Much better overclocked clock speed (Air) 4.61 GHz vs 2 GHz More than 2.2x better overclocked clock speed (Air)
Significantly more l3 cache per core 2 MB/core vs 1 MB/core 2x more l3 cache per core
Newer Jul, 2015 vs Jul, 2009 Release date over 6 years later
Slightly more l3 cache 8 MB vs 6 MB Around 35% more l3 cache; more data can be stored in the l3 cache for quick access later
Much better overclocked clock speed (Water) 4.77 GHz vs 2 GHz Around 2.5x better overclocked clock speed (Water)
Higher Maximum operating temperature 64 °C vs 55 °C More than 15% higher Maximum operating temperature
More threads 8 vs 6 2 more threads
Better performance per watt 3.49 pt/W vs 2.28 pt/W Around 55% better performance per watt
Front view of AMD Opteron 2423 HE

Reasons to consider the
AMD Opteron 2423 HE

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Much more l2 cache 3 MB vs 1 MB 3x more l2 cache; more data can be stored in the l2 cache for quick access later
Significantly lower typical power consumption 44.69W vs 73.94W Around 40% lower typical power consumption
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
More cores 6 vs 4 2 more cores; run more applications at once
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Significantly lower annual home energy cost 13.25 $/year vs 21.92 $/year Around 40% lower annual home energy cost
Significantly lower annual commercial energy cost 48.18 $/year vs 79.72 $/year Around 40% lower annual commercial energy cost

Benchmarks Real world tests of Core i7 6700K vs Opteron 2423 HE

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i7 6700K
6,010 MB/s
Opteron 2423 HE
79.8 MB/s

Specifications Full list of technical specs

summary

Core i7 6700K  vs
Opteron 2423 HE 
Clock speed 4 GHz 2 GHz
Cores Quad core Hexa core
Is unlocked Yes No

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
3DNow!
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 91W 55W
Annual home energy cost 21.92 $/year 13.25 $/year
Annual commercial energy cost 79.72 $/year 48.18 $/year
Performance per watt 3.49 pt/W 2.28 pt/W
Typical power consumption 73.94W 44.69W

details

Core i7 6700K  vs
Opteron 2423 HE 
Threads 8 6
L2 cache 1 MB 3 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
L3 cache 8 MB 6 MB
L3 cache per core 2 MB/core 1 MB/core
Manufacture process 14 nm 45 nm
Max CPUs 1 2
Operating temperature Unknown - 64°C 0 - 55°C

overclocking

Overclocked clock speed 4.61 GHz 2 GHz
Overclocked clock speed (Water) 4.77 GHz 2 GHz
Overclocked clock speed (Air) 4.61 GHz 2 GHz

integrated graphics

GPU GPU None
Label Intel® HD Graphics 530 N/A
Number of displays supported 3 N/A
GPU clock speed 350 MHz N/A
Turbo clock speed 1,150 MHz N/A

bus

Architecture FSB HyperTransport 3.0
Intel Core i7 6700K
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AMD Opteron 2423 HE
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