CPUBoss Review Our evaluation of G1820 vs C2558 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

7.9

CPUBoss Score

Combination of all six facets

Winner
Intel Celeron G1820 

CPUBoss recommends the Intel Celeron G1820  based on its performance, single-core performance and value.

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VS

Intel Celeron G1820

CPUBoss Winner
Front view of Intel Celeron G1820

Differences What are the advantages of each

Front view of Intel Celeron G1820

Reasons to consider the
Intel Celeron G1820

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Much better performance per dollar 2.8 pt/$ vs 0.61 pt/$ More than 4.5x 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
Higher clock speed 2.7 GHz vs 2.4 GHz Around 15% higher clock speed
Much better PassMark (Single core) score 1,581 vs 551 More than 2.8x better PassMark (Single core) score
Better geekbench 3 Multi-Core score 3,914 vs 3,118 More than 25% better geekbench 3 Multi-Core score
Better overclocked clock speed (Air) 2.79 GHz vs 2.4 GHz More than 15% better overclocked clock speed (Air)
Newer Jan, 2014 vs Jul, 2013 Release date 6 months later
Better overclocked clock speed (Water) 2.73 GHz vs 2.4 GHz Around 15% better overclocked clock speed (Water)
Front view of Intel Atom C2558

Reasons to consider the
Intel Atom C2558

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Much lower typical power consumption 12.19W vs 43.88W 3.6x lower typical power consumption
More cores 4 vs 2 Twice as many cores; run more applications at once
Better performance per watt 4.2 pt/W vs 2.59 pt/W More than 60% better performance per watt
More threads 4 vs 2 Twice as many threads
Much lower annual home energy cost 3.61 $/year vs 13.01 $/year 3.6x lower annual home energy cost
Much lower annual commercial energy cost 13.14 $/year vs 47.3 $/year 3.6x lower annual commercial energy cost

Benchmarks Real world tests of Celeron G1820 vs Atom C2558

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Celeron G1820
154,300 MB/s
Atom C2558
396.2 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Celeron G1820  vs
Atom C2558 
Clock speed 2.7 GHz 2.4 GHz
Cores Dual core Quad core

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
SSE3
EM64T
SSE
SSE4.1
SSE4.2
AES
Supports dynamic frequency scaling Yes No

power consumption

TDP 54W 15W
Annual home energy cost 13.01 $/year 3.61 $/year
Annual commercial energy cost 47.3 $/year 13.14 $/year
Performance per watt 2.59 pt/W 4.2 pt/W
Typical power consumption 43.88W 12.19W

bus

Architecture DMI 2.0 FSB
Number of links 0 1

details

Celeron G1820  vs
Atom C2558 
Architecture x86-64 x86-64
Threads 2 4
Manufacture process 22 nm 22 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 2.79 GHz 2.4 GHz
Overclocked clock speed (Water) 2.73 GHz 2.4 GHz
Overclocked clock speed (Air) 2.79 GHz 2.4 GHz

integrated graphics

GPU GPU None
Label HD (Haswell) N/A
Number of displays supported 3 N/A
GPU clock speed 350 MHz N/A
Turbo clock speed 1,050 MHz N/A

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3
Channels Dual Channel Dual Channel
Supports ECC Yes Yes
Maximum bandwidth 21,333.32 MB/s 12,800 MB/s
Maximum memory size 32,768 MB 65,536 MB
Intel Celeron G1820
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Intel Atom C2558
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