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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 2.2 GHz More than 40% higher clock speed
Much newer manufacturing process 32 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better PassMark (Single core) score 1,583 vs 737 Around 2.2x better PassMark (Single core) score
Much better performance per watt 1.41 pt/W vs 0.99 pt/W More than 40% better performance per watt
Newer Jan, 2011 vs Aug, 2008 Release date over 2 years later
Front view of AMD Phenom X3 8550

Reasons to consider the
AMD Phenom X3 8550

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Much more l2 cache 2 MB vs 0.5 MB 4x more l2 cache; more data can be stored in the l2 cache for quick access later
More cores 3 vs 2 1 more cores; run more applications at once
Much more l2 cache per core 0.67 MB/core vs 0.25 MB/core Around 2.8x more l2 cache per core
Significantly lower typical power consumption 77.19W vs 98.28W More than 20% lower typical power consumption
Much better overclocked clock speed (Air) 3.7 GHz vs 3.23 GHz Around 15% better overclocked clock speed (Air)
Much lower annual home energy cost 22.89 $/year vs 37.88 $/year Around 40% lower annual home energy cost
Higher Maximum operating temperature 71 °C vs 69.1 °C Around 5% higher Maximum operating temperature
Significantly better overclocked clock speed (Water) 3.7 GHz vs 3.23 GHz Around 15% better overclocked clock speed (Water)
Lower annual commercial energy cost 83.22 $/year vs 93.47 $/year More than 10% lower annual commercial energy cost

Benchmarks Real world tests of Core i3 2100 vs Phenom X3 8550

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 2100
153,100 MB/s
Phenom X3 8550
85,100 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i3 2100  vs
Phenom X3 8550 
Clock speed 3.1 GHz 2.2 GHz
Cores Dual core Tri 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 2100  vs
Phenom X3 8550 
Threads 4 3
L2 cache 0.5 MB 2 MB
L2 cache per core 0.25 MB/core 0.67 MB/core
L3 cache 3 MB 2 MB
L3 cache per core 1.5 MB/core 0.67 MB/core
Manufacture process 32 nm 65 nm
Max CPUs 1 1
Operating temperature Unknown - 69.1°C Unknown - 71°C

overclocking

Overclocked clock speed 3.23 GHz 3.7 GHz
Overclocked clock speed (Water) 3.23 GHz 3.7 GHz
PassMark (Overclocked) 1,518.9 1,818.2
Overclocked clock speed (Air) 3.23 GHz 3.7 GHz

power consumption

TDP 65W 95W
Annual home energy cost 37.88 $/year 22.89 $/year
Annual commercial energy cost 93.47 $/year 83.22 $/year
Performance per watt 1.41 pt/W 0.99 pt/W
Typical power consumption 98.28W 77.19W
Intel Core i3 2100
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AMD Phenom X3 8550
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