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Differences What are the advantages of each

Front view of Intel Core i3 2120

Reasons to consider the
Intel Core i3 2120

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Much higher clock speed 3.3 GHz vs 1.8 GHz Around 85% higher clock speed
More threads 4 vs 1 3 more threads
Much better PassMark score 3,901 vs 556 More than 7x better PassMark score
Much better PassMark (Single core) score 1,690 vs 557 More than 3x better PassMark (Single core) score
Much newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More cores 2 vs 1 Twice as many cores; run more applications at once
Much better overclocked clock speed (Air) 3.42 GHz vs 3.08 GHz More than 10% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 3.37 GHz vs 1.8 GHz More than 85% better overclocked clock speed (Water)
Front view of AMD Athlon II 160u

Reasons to consider the
AMD Athlon II 160u

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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 more l2 cache per core 1 MB/core vs 0.25 MB/core 4x more l2 cache per core
Much lower typical power consumption 16.25W vs 52.81W 3.2x lower typical power consumption
Much higher Maximum operating temperature 80 °C vs 69.1 °C More than 15% higher Maximum operating temperature
Much lower annual home energy cost 4.82 $/year vs 15.66 $/year 3.2x lower annual home energy cost
Much lower annual commercial energy cost 17.52 $/year vs 56.94 $/year 3.3x lower annual commercial energy cost

Benchmarks Real world tests of Core i3 2120 vs Athlon II 160u

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

Core i3 2120
162,800 MB/s
Athlon II 160u
71,200 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i3 2120  vs
Athlon II 160u 
Clock speed 3.3 GHz 1.8 GHz
Cores Dual core Single core

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
3DNow!
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

details

Core i3 2120  vs
Athlon II 160u 
Threads 4 1
L2 cache 0.5 MB 1 MB
L2 cache per core 0.25 MB/core 1 MB/core
Manufacture process 32 nm 45 nm
Max CPUs 1 1
Operating temperature Unknown - 69.1°C Unknown - 80°C

overclocking

Overclocked clock speed 3.42 GHz 3.08 GHz
Overclocked clock speed (Water) 3.37 GHz 1.8 GHz
Overclocked clock speed (Air) 3.42 GHz 3.08 GHz

power consumption

TDP 65W 20W
Annual home energy cost 15.66 $/year 4.82 $/year
Annual commercial energy cost 56.94 $/year 17.52 $/year
Performance per watt 2.79 pt/W 2.97 pt/W
Typical power consumption 52.81W 16.25W
Intel Core i3 2120
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AMD Athlon II 160u
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