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Intel Core i7 2600K

CPUBoss Winner
Front view of Intel Core i7 2600K

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 2.7 GHz More than 25% higher clock speed
Much better performance per dollar 2.92 pt/$ vs 0.72 pt/$ More than 4x better performance per dollar
Much higher GPU clock speed 850 MHz vs 350 MHz Around 2.5x higher GPU clock speed
Much better turbo clock speed 1,350 MHz vs 950 MHz More than 40% better turbo clock speed
More l3 cache 8 MB vs 3 MB Around 2.8x more l3 cache; more data can be stored in the l3 cache for quick access later
Much better overclocked clock speed (Air) 5.05 GHz vs 2.7 GHz More than 85% better overclocked clock speed (Air)
Significantly better PassMark score 8,494 vs 3,769 More than 2.2x better PassMark score
More cores 4 vs 2 Twice as many cores; run more applications at once
Better PassMark (Single core) score 1,920 vs 1,514 More than 25% better PassMark (Single core) score
Significantly better performance per watt 7.53 pt/W vs 4.63 pt/W Around 65% better performance per watt
More threads 8 vs 4 Twice as many threads
More l3 cache per core 2 MB/core vs 1.5 MB/core Around 35% more l3 cache per core
Much better overclocked clock speed (Water) 4.76 GHz vs 2.7 GHz More than 75% better overclocked clock speed (Water)
Front view of Intel Core i3 6100E

Reasons to consider the
Intel Core i3 6100E

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Much newer manufacturing process 14 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much lower typical power consumption 28.44W vs 114.2W 4x lower typical power consumption
More number of displays supported 3 vs 2 1 more number of displays supported
Much lower annual home energy cost 8.43 $/year vs 41.8 $/year 5x lower annual home energy cost
Newer Oct, 2015 vs Jan, 2011 Release date over 4 years later
Much lower annual commercial energy cost 30.66 $/year vs 111.78 $/year 3.6x lower annual commercial energy cost

Benchmarks Real world tests of Core i7 2600K vs i3 6100E

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i7 2600K  vs
i3 6100E 
Clock speed 3.4 GHz 2.7 GHz
Cores Quad core Dual core
Is unlocked Yes No

features

Has a NX bit Yes Yes
Supports trusted computing No No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 95W 35W
Annual home energy cost 41.8 $/year 8.43 $/year
Annual commercial energy cost 111.78 $/year 30.66 $/year
Performance per watt 7.53 pt/W 4.63 pt/W
Typical power consumption 114.2W 28.44W

bus

Architecture DMI FSB
Number of links 1 1
Transfer rate 5,000 MT/s 8,000 MT/s

details

Core i7 2600K  vs
i3 6100E 
Architecture x86-64 x86-64
Threads 8 4
L3 cache 8 MB 3 MB
L3 cache per core 2 MB/core 1.5 MB/core
Manufacture process 32 nm 14 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 5.05 GHz 2.7 GHz
Overclocked clock speed (Water) 4.76 GHz 2.7 GHz
Overclocked clock speed (Air) 5.05 GHz 2.7 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 3000 Intel® HD Graphics 530
Number of displays supported 2 3
GPU clock speed 850 MHz 350 MHz
Turbo clock speed 1,350 MHz 950 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3L-1600
DDR3-1333
DDR3-1066
DDR3
Channels Dual Channel Dual Channel
Supports ECC No Yes
Maximum bandwidth 21,333.32 MB/s 25,600 MB/s
Maximum memory size 32,768 MB 65,536 MB
Intel Core i7 2600K
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Intel Core i3 6100E
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