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Differences What are the advantages of each

Front view of Intel Pentium III 550E

Reasons to consider the
Intel Pentium III 550E

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Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Lower typical power consumption 11.78W vs 28.44W 2.4x lower typical power consumption
Lower annual home energy cost 3.49 $/year vs 8.43 $/year 2.4x lower annual home energy cost
Lower annual commercial energy cost 12.7 $/year vs 30.66 $/year 2.4x lower annual commercial energy cost
Front view of Intel Core i3 2328M

Reasons to consider the
Intel Core i3 2328M

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Much newer manufacturing process 32 nm vs 180 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much higher clock speed 2.2 GHz vs 0.55 GHz 4x higher clock speed
More advanced architecture x86-64 vs x86 A 64-bit architecture allows more RAM to be installed and accessed by the processor
Significantly more l2 cache 1 MB vs 0.25 MB 4x more l2 cache; more data can be stored in the l2 cache for quick access later
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
Newer Jul, 2012 vs Oct, 1999 Release date over 12 years later
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
More threads 4 vs 1 3 more threads
More cores 2 vs 1 Twice as many cores; run more applications at once

Features Key features of the Pentium III 550E  vs Core i3 2328M 

clock speed

Pentium III 550E
0.55 GHz
Core i3 2328M
2.2 GHz

L2 cache

Specifications Full list of technical specs


Pentium III 550E  vs
Core i3 2328M 
Clock speed 0.55 GHz 2.2 GHz
Cores Single core Dual core
Socket type
rPGA 988B


Has a NX bit No Yes
Has virtualization support No Yes
Instruction set extensions
Supplemental SSE3
Supports dynamic frequency scaling No Yes


Architecture FSB DMI
Number of links 1 1


Pentium III 550E  vs
Core i3 2328M 
Architecture x86 x86-64
Threads 1 4
L2 cache 0.25 MB 1 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
Manufacture process 180 nm 32 nm
Max CPUs 2 1
Clock multiplier 5 22
Operating temperature Unknown - 82°C Unknown - 85°C

integrated graphics

Label N/A Intel® HD Graphics 3000
Number of displays supported N/A 2
GPU clock speed N/A 650 MHz
Turbo clock speed N/A 1,100 MHz

power consumption

TDP 14.5W 35W
Annual home energy cost 3.49 $/year 8.43 $/year
Annual commercial energy cost 12.7 $/year 30.66 $/year
Typical power consumption 11.78W 28.44W
Intel Pentium III 550E
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Intel Core i3 2328M
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