CPUBoss Review Our evaluation of 3120M vs 300


Benchmark performance using all cores

3DMark06 (CPU)

Single-core Performance

Individual core benchmark performance

Passmark (Single Core)

Power Consumption

How much power does the processor require?



How does CPUBoss rank the features of each product?

Features and specifications that differ between products

CPUBoss Score

Performance, Single-core Performance, Power Consumption and Features

Intel Core i3 3120M 

CPUBoss recommends the Intel Core i3 3120M  based on its .

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Intel Core i3 3120M

CPUBoss Winner
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 higher clock speed 2.5 GHz vs 1.3 GHz More than 90% higher clock speed
Newer manufacturing process 22 nms vs 40 nms A newer manufacturing process allows for a more powerful, yet cooler running processor
Is hyperthreaded Yes vs No Somewhat common; Maximizes usage of each CPU core
Significantly 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
More threads 4 vs 2 Twice as many threads
Much more l3 cache per core 1.5 MB/core vs 0.25 MB/core 6x more l3 cache per core
Significantly better 3DMark06 CPU score 3,057 vs 838.5 Around 3.8x better 3DMark06 CPU score
Marginally newer Sep, 2012 vs Aug, 2011 Release date over 1 years later
Better performance per watt 12.53 pt/W vs 6.42 pt/W More than 95% better performance per watt
Front view of AMD E 300

Reasons to consider the
AMD E 300

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Lower typical power consumption 14.63W vs 28.44W Around 50% lower typical power consumption
Lower annual home energy cost 4.34 $/year vs 8.43 $/year Around 50% lower annual home energy cost

Benchmarks Real world tests of Core i3 3120M vs E 300

3D Mark 06 (CPU)

E 300

Specifications Full list of technical specs


Core i3 3120M  vs
E 300 
Clock speed 2.5 GHz 1.3 GHz
Cores Dual core Dual core
Is unlocked No No
Is hyperthreaded Yes No


Has a NX bit Yes Yes
Has virtualization support Yes Yes
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 35W 18W
Annual home energy cost 8.43 $/year 4.34 $/year
Performance per watt 12.53 pt/W 6.42 pt/W
Typical power consumption 28.44W 14.63W


Core i3 3120M  vs
E 300 
Threads 4 2
L2 cache 1 MB 1 MB
L2 cache per core 0.5 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 22 nms 40 nms
Max CPUs 1 1
Operating temperature Unknown - 90°C Unknown - 90°C


Label Intel® HD Graphics 4000 Radeon™ HD 6310
Intel Core i3 3120M
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AMD E 300
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