CPUBoss Review Our evaluation of 6700K vs C2750 among all CPUs

Performance

Benchmark performance using all cores
Core i7 6700K
6.5
Atom C2750
5.4
Core i5 6600K
5.9
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance
Core i7 6700K
8.0
Atom C2750
5.5
Core i5 6600K
7.4
PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics
Core i7 6700K
n.d.
Atom C2750
0.0
Core i5 6600K
n.d.
Sky Diver and Cloud Gate

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing
Core i7 6700K
8.0
Atom C2750
0.0
Core i5 6600K
7.7
CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?
Core i7 6700K
5.2
Atom C2750
5.3
Core i5 6600K
5.2
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?
Core i7 6700K
5.8
Atom C2750
n.d.
Core i5 6600K
6.1
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more
8.2

CPUBoss Score

Combination of all six facets
Core i7 6700K
8.2
Atom C2750
5.2
Core i5 6600K
8.1

Winner
Intel Core i7 6700K 

CPUBoss recommends the Intel Core i7 6700K  based on its performance and single-core performance.

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VS

Intel Core i7 6700K

CPUBoss Winner
 Front view of Intel Core i7 6700K
Front view of Intel Atom C2750

Intel Atom C2750

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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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Much higher clock speed 4 GHz vs 2.4 GHz More than 65% higher clock speed
Much higher turbo clock speed 4.2 GHz vs 2.6 GHz More than 60% higher turbo clock speed
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Supports dynamic frequency scaling Yes vs No Somewhat common; Allows for maximum performance when needed, while conserving power and minimizing heat production when not needed
Much better PassMark (Single core) score 2,349 vs 579 More than 4x better PassMark (Single core) score
Significantly newer manufacturing process 14 nm vs 22 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better PassMark score 11,109 vs 3,344 More than 3.2x better PassMark score
Much better overclocked clock speed (Air) 4.61 GHz vs 2.4 GHz More than 90% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 4.77 GHz vs 2.4 GHz Around 2x better overclocked clock speed (Water)
Newer Jul, 2015 vs Jul, 2013 Release date over 2 years later
Front view of Intel Atom C2750

Reasons to consider the
Intel Atom C2750

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Much lower typical power consumption 16.25W vs 73.94W 4.6x lower typical power consumption
Much better performance per watt 11.79 pt/W vs 3.49 pt/W More than 3.2x better performance per watt
More cores 8 vs 4 Twice as many cores; run more applications at once
Much higher Maximum operating temperature 97 °C vs 64 °C More than 50% higher Maximum operating temperature
Much better performance per dollar 1.38 pt/$ vs 0.91 pt/$ More than 50% better performance per dollar
Much lower annual home energy cost 4.82 $/year vs 21.92 $/year 4.6x lower annual home energy cost
Much lower annual commercial energy cost 17.52 $/year vs 79.72 $/year 4.6x lower annual commercial energy cost

Benchmarks Real world tests of Core i7 6700K vs Atom C2750

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i7 6700K
17,583
Atom C2750
6,808

GeekBench 3 (Single core) Data courtesy Primate Labs

Core i7 6700K
4,510
Atom C2750
1,089

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i7 6700K
6,010 MB/s
Atom C2750
412,200 MB/s

Cinebench R10 32-Bit

Core i7 6700K
36,746
Atom C2750
11,258

Cinebench R10 32-Bit (Single Core)

Core i7 6700K
8,981
Atom C2750
1,898

PassMark Data courtesy Passmark

Core i7 6700K
11,109
Atom C2750
3,344

PassMark (Single Core)

Core i7 6700K
2,349
Atom C2750
579

Specifications Full list of technical specs

summary

 Core i7 6700K  vs
Atom C2750 
Clock speed 4 GHz 2.4 GHz
Turbo clock speed 4.2 GHz 2.6 GHz
Cores Quad core Octa core

features
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
EM64T
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling Yes No

power consumption
TDP 91W 20W
Annual home energy cost 21.92 $/year 4.82 $/year
Annual commercial energy cost 79.72 $/year 17.52 $/year
Performance per watt 3.49 pt/W 11.79 pt/W
Typical power consumption 73.94W 16.25W

bus
Architecture FSB FSB
Number of links 0 1

details

 Core i7 6700K  vs
Atom C2750 
Architecture x86-64 x86-64
Threads 8 8
Manufacture process 14 nm 22 nm
Max CPUs 1 1
Operating temperature Unknown - 64°C Unknown - 97°C

overclocking
Overclocked clock speed 4.61 GHz 2.4 GHz
Overclocked clock speed (Water) 4.77 GHz 2.4 GHz
Overclocked clock speed (Air) 4.61 GHz 2.4 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

memory controller
Memory controller Built-in Built-in
Memory type
DDR3L-1600
DDR3
Channels Dual Channel Dual Channel
Supports ECC No Yes
Maximum bandwidth 25,600 MB/s 12,800 MB/s
Intel Core i7 6700K
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Intel Atom C2750
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