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Intel Core i7 6700K

Front view of Intel Core i7 6700K
Front view of Intel Core i5 2400

Intel Core i5 2400

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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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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Significantly higher clock speed 4 GHz vs 3.1 GHz Around 30% higher clock speed
Higher turbo clock speed 4.2 GHz vs 3.4 GHz Around 25% higher turbo clock speed
Much newer manufacturing process 14 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly lower typical power consumption 73.94W vs 93.6W More than 20% lower typical power consumption
Significantly better PassMark score 11,109 vs 5,901 Around 90% better PassMark score
Better PassMark (Single core) score 2,349 vs 1,742 Around 35% better PassMark (Single core) score
More number of displays supported 3 vs 2 1 more number of displays supported
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 better overclocked clock speed (Air) 4.61 GHz vs 3.54 GHz More than 30% better overclocked clock speed (Air)
Newer Jul, 2015 vs Jan, 2011 Release date over 4 years later
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
Better turbo clock speed 1,150 MHz vs 1,100 MHz Around 5% better turbo clock speed
Significantly better overclocked clock speed (Water) 4.77 GHz vs 3.51 GHz More than 35% better overclocked clock speed (Water)
Significantly lower annual home energy cost 21.92 $/year vs 27.75 $/year More than 20% lower annual home energy cost
Significantly lower annual commercial energy cost 79.72 $/year vs 100.92 $/year More than 20% lower annual commercial energy cost
Front view of Intel Core i5 2400

Reasons to consider the
Intel Core i5 2400

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Much better performance per dollar 4.58 pt/$ vs 0.91 pt/$ More than 5x better performance per dollar
Much higher GPU clock speed 850 MHz vs 350 MHz Around 2.5x higher GPU clock speed
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Significantly better performance per watt 8.14 pt/W vs 3.49 pt/W More than 2.2x better performance per watt
Higher Maximum operating temperature 72.6 °C vs 64 °C Around 15% higher Maximum operating temperature

Benchmarks Real world tests of Core i7 6700K vs i5 2400

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i7 6700K
17,583
Core i5 2400
8,298

GeekBench 3 (Single core) Data courtesy Primate Labs

Core i7 6700K
4,510
Core i5 2400
2,638

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i7 6700K
6,010 MB/s
Core i5 2400
2,260,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Core i7 6700K
17,169
Core i5 2400
8,258

GeekBench

Core i7 6700K
17,169
Core i5 2400
10,769

Cinebench R10 32-Bit

Core i7 6700K
36,746
Core i5 2400
19,179

PassMark Data courtesy Passmark

Core i7 6700K
11,109
Core i5 2400
5,901

PassMark (Single Core)

Core i7 6700K
2,349
Core i5 2400
1,742

Specifications Full list of technical specs

summary

 Core i7 6700K  vs
i5 2400 
Clock speed 4 GHz 3.1 GHz
Turbo clock speed 4.2 GHz 3.4 GHz
Cores Quad core Quad core
Is unlocked Yes No

features
Has a NX bit Yes Yes
Supports trusted computing No Yes
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 91W 95W
Annual home energy cost 21.92 $/year 27.75 $/year
Annual commercial energy cost 79.72 $/year 100.92 $/year
Performance per watt 3.49 pt/W 8.14 pt/W
Typical power consumption 73.94W 93.6W

bus
Architecture FSB DMI
Number of links 0 1
Transfer rate 8,000 MT/s 5,000 MT/s

details

 Core i7 6700K  vs
i5 2400 
Architecture x86-64 x86-64
Threads 8 4
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 8 MB 6 MB
L3 cache per core 2 MB/core 1.5 MB/core
Manufacture process 14 nm 32 nm
Max CPUs 1 1
Operating temperature Unknown - 64°C Unknown - 72.6°C

overclocking
Overclocked clock speed 4.61 GHz 3.54 GHz
Overclocked clock speed (Water) 4.77 GHz 3.51 GHz
Overclocked clock speed (Air) 4.61 GHz 3.54 GHz

integrated graphics
GPU GPU GPU
Label Intel® HD Graphics 530 Intel® HD Graphics 2000
Number of displays supported 3 2
GPU clock speed 350 MHz 850 MHz
Turbo clock speed 1,150 MHz 1,100 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 No
Maximum bandwidth 25,600 MB/s 21,333.32 MB/s
Maximum memory size 65,536 MB 32,768 MB
Intel Core i7 6700K
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Intel Core i5 2400
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Comments

Showing 1 comment.
Denis Balykin (06:41 PM, December 19, 2016)
i5 2400 is better than i7 6700K. ORLY? This site is crazy.
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