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Intel Core i3 3120M

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Front view of Intel Core i3 3120M

Differences What are the advantages of each

Front view of Intel Core i3 3120M

Reasons to consider the
Intel Core i3 3120M

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Much newer manufacturing process 22 nm vs 130 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better geekbench 2 (32-bit) score 3,978 vs 859 Around 4.8x better geekbench 2 (32-bit) score
Much lower typical power consumption 28.44W vs 69.31W 2.4x lower typical power consumption
Higher clock speed 2.5 GHz vs 2.2 GHz Around 15% higher clock speed
Newer Sep, 2012 vs May, 2004 Release date over 8 years later
Significantly better PassMark (Single core) score 1,313 vs 682 Around 95% better PassMark (Single core) score
Significantly higher Maximum operating temperature 90 °C vs 71 °C More than 25% higher Maximum operating temperature
Significantly better performance per watt 3.96 pt/W vs 0.59 pt/W Around 6.8x better performance per watt
Better PassMark score 3,342 vs 603 More than 5.5x better PassMark score
More threads 4 vs 1 3 more threads
More cores 2 vs 1 Twice as many cores; run more applications at once
Much lower annual home energy cost 8.43 $/year vs 20.55 $/year 2.4x lower annual home energy cost
Much lower annual commercial energy cost 30.66 $/year vs 74.72 $/year 2.4x lower annual commercial energy cost
Better overclocked clock speed (Water) 2.5 GHz vs 2.2 GHz Around 15% better overclocked clock speed (Water)
Front view of AMD Opteron 148

Reasons to consider the
AMD Opteron 148

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Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Better overclocked clock speed (Air) 2.8 GHz vs 2.53 GHz More than 10% better overclocked clock speed (Air)

Benchmarks Real world tests of Core i3 3120M vs Opteron 148

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i3 3120M  vs
Opteron 148 
Clock speed 2.5 GHz 2.2 GHz
Cores Dual core Single core
Socket type
rPGA 988B
939
940

features

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

details

Core i3 3120M  vs
Opteron 148 
Threads 4 1
L2 cache 1 MB 1 MB
L2 cache per core 0.5 MB/core 1 MB/core
Manufacture process 22 nm 130 nm
Max CPUs 1 1
Clock multiplier 25 11
Operating temperature Unknown - 90°C 0 - 71°C

overclocking

Overclocked clock speed 2.53 GHz 2.8 GHz
Overclocked clock speed (Water) 2.5 GHz 2.2 GHz
Overclocked clock speed (Air) 2.53 GHz 2.8 GHz

power consumption

TDP 35W 85.3W
Annual home energy cost 8.43 $/year 20.55 $/year
Annual commercial energy cost 30.66 $/year 74.72 $/year
Performance per watt 3.96 pt/W 0.59 pt/W
Typical power consumption 28.44W 69.31W
Intel Core i3 3120M
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AMD Opteron 148
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