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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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Significantly higher clock speed 3.1 GHz vs 1.9 GHz Around 65% higher clock speed
Much better geekbench 2 (32-bit) score 4,738 vs 1,479 Around 3.2x better geekbench 2 (32-bit) score
Much better turbo clock speed 1,100 MHz vs 424 MHz More than 2.5x better turbo clock speed
Much higher GPU clock speed 850 MHz vs 327 MHz More than 2.5x higher GPU clock speed
Significantly better geekbench 3 Multi-Core score 4,786 vs 1,672 More than 2.8x better geekbench 3 Multi-Core score
Significantly better PassMark (Single core) score 1,583 vs 689 More than 2.2x better PassMark (Single core) score
Much more l3 cache per core 1.5 MB/core vs 0.25 MB/core 6x more l3 cache per core
More l3 cache 3 MB vs 0.5 MB 6x more l3 cache; more data can be stored in the l3 cache for quick access later
Significantly better overclocked clock speed (Air) 3.23 GHz vs 1.9 GHz Around 70% better overclocked clock speed (Air)
More threads 4 vs 2 Twice as many threads
Significantly better overclocked clock speed (Water) 3.23 GHz vs 1.9 GHz Around 70% better overclocked clock speed (Water)
Front view of AMD A4 4355M

Reasons to consider the
AMD A4 4355M

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Much lower typical power consumption 13.81W vs 98.28W 7.1x lower typical power consumption
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 higher Maximum operating temperature 100 °C vs 69.1 °C Around 45% higher Maximum operating temperature
Much lower annual home energy cost 4.1 $/year vs 37.88 $/year 9.2x lower annual home energy cost
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Much lower annual commercial energy cost 14.89 $/year vs 93.47 $/year 6.3x lower annual commercial energy cost
Better performance per watt 3.03 pt/W vs 1.41 pt/W Around 2.2x better performance per watt
Newer Sep, 2012 vs Jan, 2011 Release date over 1 years later

Benchmarks Real world tests of Core i3 2100 vs A4 4355M

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i3 2100
4,786
A4 4355M
1,672

GeekBench 3 (Single core) Data courtesy Primate Labs

Core i3 2100
2,258
A4 4355M
1,115

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i3 2100
153,100 MB/s
A4 4355M
1,460 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Core i3 2100
4,738
A4 4355M
1,479

GeekBench

Core i3 2100
7,901
A4 4355M
1,479

PassMark Data courtesy Passmark

Core i3 2100
3,664
A4 4355M
1,161

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i3 2100  vs
A4 4355M 
Clock speed 3.1 GHz 1.9 GHz
Cores Dual core Dual core
Is unlocked No No

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
AVX 1.1
SSE2
F16C
MMX
SSE4
XOP
AVX
SSE3
SSE
CLMUL
AMD64
SSE4.1
FMA4
FMA3
SSE4.2
CVT16
AMD-V
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 65W 17W
Annual home energy cost 37.88 $/year 4.1 $/year
Annual commercial energy cost 93.47 $/year 14.89 $/year
Performance per watt 1.41 pt/W 3.03 pt/W
Typical power consumption 98.28W 13.81W

details

Core i3 2100  vs
A4 4355M 
Threads 4 2
L2 cache 0.5 MB 1 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
L3 cache 3 MB 0.5 MB
L3 cache per core 1.5 MB/core 0.25 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 1 1
Clock multiplier 31 19
Operating temperature Unknown - 69.1°C Unknown - 100°C

overclocking

Overclocked clock speed 3.23 GHz 1.9 GHz
Overclocked clock speed (Water) 3.23 GHz 1.9 GHz
Overclocked clock speed (Air) 3.23 GHz 1.9 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 2000 Radeon™ HD 7400G
GPU clock speed 850 MHz 327 MHz
Turbo clock speed 1,100 MHz 424 MHz

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 21,333.32 MB/s
Intel Core i3 2100
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AMD A4 4355M
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