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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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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Supports dynamic frequency scaling Yes vs No Somewhat common; Allows for maximum performance when needed, while conserving power and minimizing heat production when not needed
Has a NX bit Yes vs No Somewhat common; Prevents a common class of security exploits
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Front view of Intel Celeron M 340

Reasons to consider the
Intel Celeron M 340

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CPUBoss is not aware of any important advantages of the Celeron M 340 vs the Core i3 3120M.

Features Key features of the Core i3 3120M  vs Celeron M 340 

clock speed

Core i3 3120M
2.5 GHz
Celeron M 340
1.5 GHz

L2 cache

overclocked clock speed (air)

Core i3 3120M
2.53 GHz
Celeron M 340
1.94 GHz

overclocked clock speed (water)

Core i3 3120M
2.5 GHz
Celeron M 340
1.5 GHz

Specifications Full list of technical specs

summary

Core i3 3120M  vs
Celeron M 340 
Clock speed 2.5 GHz 1.5 GHz
Cores Dual core Single core
Socket type
rPGA 988B
478
479

features

Has a NX bit Yes No
Supports trusted computing No No
Has virtualization support Yes No
Instruction set extensions
SSE2
MMX
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
Supports dynamic frequency scaling Yes No

power consumption

TDP 35W 24.5W
Annual home energy cost 8.43 $/year 5.9 $/year
Typical power consumption 28.44W 19.91W

bus

Architecture DMI FSB
Number of links 1 1

details

Core i3 3120M  vs
Celeron M 340 
Architecture x86-64 x86
Threads 4 1
L2 cache 1 MB 0.5 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
Manufacture process 22 nm 130 nm
Max CPUs 1 1
Clock multiplier 25 15

overclocking

Overclocked clock speed 2.53 GHz 1.94 GHz
Overclocked clock speed (Water) 2.5 GHz 1.5 GHz
Overclocked clock speed (Air) 2.53 GHz 1.94 GHz

integrated graphics

GPU GPU None
Label Intel® HD Graphics 4000 N/A
Number of displays supported 3 N/A
GPU clock speed 650 MHz N/A
Turbo clock speed 1,100 MHz N/A

memory controller

Memory controller Built-in Built-in
Supports ECC No No
Intel Core i3 3120M
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Intel Celeron M 340
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