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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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Much higher clock speed 3.1 GHz vs 1.8 GHz More than 70% higher clock speed
Much better geekbench 2 (32-bit) score 4,738 vs 1,564 More than 3x better geekbench 2 (32-bit) score
Much higher GPU clock speed 850 MHz vs 400 MHz Around 2.2x higher GPU clock speed
Significantly better PassMark (Single core) score 1,583 vs 601 Around 2.8x better PassMark (Single core) score
Significantly better geekbench 3 Multi-Core score 4,786 vs 1,733 More than 2.8x better geekbench 3 Multi-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 2.21 GHz More than 45% better overclocked clock speed (Air)
More threads 4 vs 2 Twice as many threads
Much better overclocked clock speed (Water) 3.23 GHz vs 1.8 GHz Around 80% better overclocked clock speed (Water)
Front view of AMD E2 3000M

Reasons to consider the
AMD E2 3000M

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Much lower typical power consumption 28.44W vs 98.28W 3.5x 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 8.43 $/year vs 37.88 $/year 4.5x 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 30.66 $/year vs 93.47 $/year 3x lower annual commercial energy cost
Slightly better performance per watt 2.05 pt/W vs 1.41 pt/W More than 45% better performance per watt
Newer Jun, 2011 vs Jan, 2011 Release date 5 months later

Benchmarks Real world tests of Core i3 2100 vs E2 3000M

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i3 2100
4,786
E2 3000M
1,733

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i3 2100
153,100 MB/s
E2 3000M
74,500 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Core i3 2100
4,738
E2 3000M
1,564

GeekBench

Core i3 2100
7,901
E2 3000M
2,249

PassMark Data courtesy Passmark

Core i3 2100
3,664
E2 3000M
1,097

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i3 2100  vs
E2 3000M 
Clock speed 3.1 GHz 1.8 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
SSE2
MMX
SSE4
AVX
SSE3
SSE
AMD64
SSE4.1
SSE4.2
AMD-V
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 65W 35W
Annual home energy cost 37.88 $/year 8.43 $/year
Annual commercial energy cost 93.47 $/year 30.66 $/year
Performance per watt 1.41 pt/W 2.05 pt/W
Typical power consumption 98.28W 28.44W

details

Core i3 2100  vs
E2 3000M 
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
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 12
Operating temperature Unknown - 69.1°C Unknown - 100°C

overclocking

Overclocked clock speed 3.23 GHz 2.21 GHz
Overclocked clock speed (Water) 3.23 GHz 1.8 GHz
Overclocked clock speed (Air) 3.23 GHz 2.21 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 2000 Radeon™ HD 6380G
GPU clock speed 850 MHz 400 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3
Intel Core i3 2100
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AMD E2 3000M
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