CPUBoss Review Our evaluation of 4770K vs C2750 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

8.8

CPUBoss Score

Combination of all six facets

Winner
Intel Core i7 4770K 

CPUBoss recommends the Intel Core i7 4770K  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 4770K

Reasons to consider the
Intel Core i7 4770K

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Significantly higher turbo clock speed 3.9 GHz vs 2.6 GHz Around 50% higher turbo clock speed
Significantly higher clock speed 3.5 GHz vs 2.4 GHz More than 45% higher clock speed
Much better performance per dollar 3.83 pt/$ vs 1.38 pt/$ More than 2.8x better performance per dollar
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 2,165 vs 579 Around 3.8x better PassMark (Single core) score
Much better overclocked clock speed (Air) 4.48 GHz vs 2.4 GHz More than 85% better overclocked clock speed (Air)
Significantly better PassMark score 10,016 vs 3,344 Around 3x better PassMark score
Much better overclocked clock speed (Water) 4.55 GHz vs 2.4 GHz Around 90% better overclocked clock speed (Water)
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 68.25W 4.2x lower typical power consumption
More cores 8 vs 4 Twice as many cores; run more applications at once
Significantly higher Maximum operating temperature 97 °C vs 72.72 °C Around 35% higher Maximum operating temperature
Much lower annual home energy cost 4.82 $/year vs 20.24 $/year 4.2x lower annual home energy cost
Much lower annual commercial energy cost 17.52 $/year vs 73.58 $/year 4.2x lower annual commercial energy cost

Benchmarks Real world tests of Core i7 4770K vs Atom C2750

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i7 4770K
14,184
Atom C2750
6,808

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i7 4770K
4,810,000 MB/s
Atom C2750
412,200 MB/s

Cinebench R10 32-Bit

Core i7 4770K
30,095
Atom C2750
11,258

Cinebench R10 32-Bit (Single Core)

PassMark Data courtesy Passmark

Core i7 4770K
10,016
Atom C2750
3,344

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i7 4770K  vs
Atom C2750 
Clock speed 3.5 GHz 2.4 GHz
Turbo clock speed 3.9 GHz 2.6 GHz
Cores Quad core Octa core

features

Has virtualization support Yes Yes
Instruction set extensions
SSE2
F16C
MMX
SSE4
AVX
SSE3
EM64T
SSE
SSE4.1
FMA3
SSE4.2
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling Yes No

power consumption

TDP 84W 20W
Annual home energy cost 20.24 $/year 4.82 $/year
Annual commercial energy cost 73.58 $/year 17.52 $/year
Performance per watt 11.31 pt/W 11.79 pt/W
Typical power consumption 68.25W 16.25W

bus

Architecture DMI 2.0 FSB
Number of links 0 1

details

Core i7 4770K  vs
Atom C2750 
Architecture x86-64 x86-64
Threads 8 8
Manufacture process 22 nm 22 nm
Max CPUs 1 1
Operating temperature Unknown - 72.72°C Unknown - 97°C

overclocking

Overclocked clock speed 4.48 GHz 2.4 GHz
Overclocked clock speed (Water) 4.55 GHz 2.4 GHz
Overclocked clock speed (Air) 4.48 GHz 2.4 GHz

integrated graphics

GPU GPU None
Label Intel® HD Graphics 4600 N/A
Number of displays supported 3 N/A
GPU clock speed 350 MHz N/A
Turbo clock speed 1,250 MHz N/A

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3L-1600
DDR3-1333
DDR3
Channels Dual Channel Dual Channel
Supports ECC No Yes
Maximum bandwidth 25,600 MB/s 12,800 MB/s
Intel Core i7 4770K
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Intel Atom C2750
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