CPUBoss Review Our evaluation of 2600K vs 8439 SE 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

7.6

CPUBoss Score

Combination of all six facets

Winner
Intel Core i7 2600K 

CPUBoss recommends the Intel Core i7 2600K  based on its performance and single-core performance.

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VS

Differences What are the advantages of each

Front view of Intel Core i7 2600K

Reasons to consider the
Intel Core i7 2600K

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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Higher clock speed 3.4 GHz vs 2.8 GHz More than 20% higher clock speed
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly better PassMark (Single core) score 1,920 vs 908 More than 2x better PassMark (Single core) score
Much better overclocked clock speed (Air) 5.05 GHz vs 3.1 GHz Around 65% better overclocked clock speed (Air)
Much better performance per watt 7.53 pt/W vs 2.23 pt/W Around 3.5x better performance per watt
Significantly better PassMark score 8,494 vs 3,813 Around 2.2x better PassMark score
Significantly more l3 cache per core 2 MB/core vs 1 MB/core 2x more l3 cache per core
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
Significantly higher Maximum operating temperature 72.6 °C vs 55 °C More than 30% higher Maximum operating temperature
More threads 8 vs 6 2 more threads
Much better overclocked clock speed (Water) 4.76 GHz vs 2.8 GHz More than 70% better overclocked clock speed (Water)
Newer Jan, 2011 vs Jul, 2009 Release date over 1 years later
Front view of AMD Opteron 8439 SE

Reasons to consider the
AMD Opteron 8439 SE

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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
Supports more CPUs in SMP configuration 8 vs 1 7 supports more CPUs in SMP configuration
Significantly lower typical power consumption 85.31W vs 114.2W More than 25% lower typical power consumption
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
Much lower annual home energy cost 25.29 $/year vs 41.8 $/year Around 40% lower annual home energy cost
Lower annual commercial energy cost 91.98 $/year vs 111.78 $/year Around 20% lower annual commercial energy cost

Benchmarks Real world tests of Core i7 2600K vs Opteron 8439 SE

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 2600K
2,500,000 MB/s
Opteron 8439 SE
111,800 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i7 2600K  vs
Opteron 8439 SE 
Clock speed 3.4 GHz 2.8 GHz
Cores Quad core Hexa core
Socket type
LGA 1155
F
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
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 95W 105W
Annual home energy cost 41.8 $/year 25.29 $/year
Annual commercial energy cost 111.78 $/year 91.98 $/year
Performance per watt 7.53 pt/W 2.23 pt/W
Typical power consumption 114.2W 85.31W

bus

Architecture DMI HyperTransport 3.0

details

Core i7 2600K  vs
Opteron 8439 SE 
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 32 nm 45 nm
Max CPUs 1 8
Clock multiplier 34 14
Voltage range 0.85 - 1.45V 1 - UnknownV
Operating temperature Unknown - 72.6°C 0 - 55°C

overclocking

Overclocked clock speed 5.05 GHz 3.1 GHz
Overclocked clock speed (Water) 4.76 GHz 2.8 GHz
Overclocked clock speed (Air) 5.05 GHz 3.1 GHz

integrated graphics

GPU GPU None
Label Intel® HD Graphics 3000 N/A
Latest DirectX 10.x N/A
Number of displays supported 2 N/A
GPU clock speed 850 MHz N/A
Turbo clock speed 1,350 MHz N/A
3DMark06 5,275 N/A
Intel Core i7 2600K
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AMD Opteron 8439 SE
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