CPUBoss Review Our evaluation of 2100 vs 4020 among desktop CPUs (45 to 75W)

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

Fire Strike

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?

Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

5.8

CPUBoss Score

Combination of all six facets

Winner
Intel Core i3 2100 

CPUBoss recommends the Intel Core i3 2100  based on its .

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VS

Differences What are the advantages of each

Front view of Intel Core i3 2100

Reasons to consider the
Intel Core i3 2100

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More threads 4 vs 2 Twice as many threads
Much better performance per watt 1.41 pt/W vs 0.73 pt/W More than 90% better performance per watt
Front view of AMD A4 4020

Reasons to consider the
AMD A4 4020

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Much more l2 cache 1 MB vs 0.5 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Much lower typical power consumption 52.81W vs 98.28W More than 45% lower typical power consumption
Much more l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Higher clock speed 3.2 GHz vs 3.1 GHz Around 5% higher clock speed
Much lower annual home energy cost 15.66 $/year vs 37.88 $/year 2.4x lower annual home energy cost
Much lower annual commercial energy cost 56.94 $/year vs 93.47 $/year Around 40% lower annual commercial energy cost
Higher Maximum operating temperature 70 °C vs 69.1 °C Almost the same
Newer Dec, 2013 vs Jan, 2011 Release date over 3 years later

Benchmarks Real world tests of Core i3 2100 vs A4 4020

CompuBench 1.5 (Face detection)

Core i3 2100
2.05 mPixels/s
A4 4020
2.54 mPixels/s

PassMark Data courtesy Passmark

Core i3 2100
3,664
A4 4020
1,835

PassMark (Single Core)

Core i3 2100
1,583
A4 4020
1,157

Specifications Full list of technical specs

summary

Core i3 2100  vs
A4 4020 
Clock speed 3.1 GHz 3.2 GHz
Cores Dual core Dual core
Socket type
LGA 1155
FM2
Is unlocked No No

features

Has a NX bit Yes Yes
Supports trusted computing No No
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
AVX 1.1
SSE2
F16C
MMX
SSE4
XOP
AVX
SSE3
SSE
BMI1
AMD64
SSE4.1
FMA4
FMA3
SSE4.2
ABM
CVT16
AMD-V
Supplemental SSE3
AES
TBM
Supports dynamic frequency scaling Yes Yes

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3
Channels Dual Channel Dual Channel
Maximum bandwidth 21,333.32 MB/s 12,800 MB/s

details

Core i3 2100  vs
A4 4020 
Architecture x86-64 x86-64
Threads 4 2
L2 cache 0.5 MB 1 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 1 1
Operating temperature Unknown - 69.1°C Unknown - 70°C

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 2000 Radeon HD 7480D
GPU clock speed 850 MHz 720 MHz

power consumption

TDP 65W 65W
Annual home energy cost 37.88 $/year 15.66 $/year
Annual commercial energy cost 93.47 $/year 56.94 $/year
Performance per watt 1.41 pt/W 0.73 pt/W
Typical power consumption 98.28W 52.81W
Intel Core i3 2100
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AMD A4 4020
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