CPUBoss Review Our evaluation of 6600K vs 6402P 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

No winner declared

Too close to call

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VS
Front view of Intel 6402P

Intel 6402P

CPUBoss Winner

Differences What are the advantages of each

Front view of Intel Core i5 6600K

Reasons to consider the
Intel Core i5 6600K

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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Higher clock speed 3.5 GHz vs 2.8 GHz More than 25% higher clock speed
Higher turbo clock speed 3.9 GHz vs 3.4 GHz Around 15% higher turbo clock speed
Significantly better turbo clock speed 1,150 MHz vs 950 MHz More than 20% better turbo clock speed
Better CompuBench 1.5 video composition score 14.26 fps vs 8.45 fps Around 70% better CompuBench 1.5 video composition score
Better overclocked clock speed (Air) 4.54 GHz vs 3.88 GHz More than 15% better overclocked clock speed (Air)
Significantly better overclocked clock speed (Water) 4.57 GHz vs 3.36 GHz More than 35% better overclocked clock speed (Water)
Front view of Intel 6402P

Reasons to consider the
Intel 6402P

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Much better geekbench 3 Multi-Core score 10,582 vs 5,051 More than 2x better geekbench 3 Multi-Core score
Significantly lower typical power consumption 52.81W vs 73.94W Around 30% lower typical power consumption
Better performance per dollar 1.06 pt/$ vs 0.89 pt/$ Around 20% better performance per dollar
Higher Maximum operating temperature 71 °C vs 64 °C More than 10% higher Maximum operating temperature
Significantly lower annual home energy cost 15.66 $/year vs 21.92 $/year Around 30% lower annual home energy cost
Significantly lower annual commercial energy cost 56.94 $/year vs 79.72 $/year Around 30% lower annual commercial energy cost
Slightly better performance per watt 3.06 pt/W vs 2.45 pt/W Around 25% better performance per watt
Newer Oct, 2015 vs Jul, 2015 Release date 3 months later

Benchmarks Real world tests of Core i5 6600K vs 6402P

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

Core i5 6600K
35.25 mHash/s
6402P
13.71 mHash/s

CompuBench 1.5 (Face detection)

Core i5 6600K
28.75 mPixels/s
6402P
12.41 mPixels/s

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

Core i5 6600K
1.91 fps
6402P
0.78 fps

GeekBench 3 (Multi-core) Data courtesy Primate Labs

6402P
10,582

GeekBench 3 (Single core) Data courtesy Primate Labs

6402P
3,337

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i5 6600K
209.7 MB/s
6402P
4,470 MB/s

PassMark Data courtesy Passmark

6402P
7,711

PassMark (Single Core)

6402P
2,068

Specifications Full list of technical specs

summary

Core i5 6600K  vs
6402P 
Clock speed 3.5 GHz 2.8 GHz
Turbo clock speed 3.9 GHz 3.4 GHz
Cores Quad core Quad 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 91W 65W
Annual home energy cost 21.92 $/year 15.66 $/year
Annual commercial energy cost 79.72 $/year 56.94 $/year
Performance per watt 2.45 pt/W 3.06 pt/W
Typical power consumption 73.94W 52.81W

bus

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

details

Core i5 6600K  vs
6402P 
Architecture x86-64 x86-64
Threads 4 4
Manufacture process 14 nm 14 nm
Max CPUs 1 1
Operating temperature Unknown - 64°C Unknown - 71°C

overclocking

Overclocked clock speed 4.54 GHz 3.88 GHz
Overclocked clock speed (Water) 4.57 GHz 3.36 GHz
Overclocked clock speed (Air) 4.54 GHz 3.88 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 530 Intel® HD Graphics 510
Number of displays supported 3 3
GPU clock speed 350 MHz 350 MHz
Turbo clock speed 1,150 MHz 950 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3L-1600
Channels Dual Channel Dual Channel
Supports ECC No No
Maximum bandwidth 25,600 MB/s 25,600 MB/s
Maximum memory size 65,536 MB 65,536 MB
Intel Core i5 6600K
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Intel 6402P
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