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Differences What are the advantages of each

Front view of Intel Pentium 538

Reasons to consider the
Intel Pentium 538

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More l2 cache 1 MB vs 0.5 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l2 cache per core 1 MB/core vs 0.25 MB/core 4x more l2 cache per core
Significantly better overclocked clock speed (Water) 4.43 GHz vs 3.2 GHz Around 40% better overclocked clock speed (Water)
Front view of Intel Core i3 550

Reasons to consider the
Intel Core i3 550

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Much newer manufacturing process 32 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More advanced architecture x86-64 vs x86 A 64-bit architecture allows more RAM to be installed and accessed by the processor
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
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 Apr, 2010 vs Jun, 2004 Release date over 5 years later
Lower typical power consumption 59.31W vs 71.5W More than 15% lower typical power consumption
Significantly better overclocked clock speed (Air) 4.54 GHz vs 3.65 GHz Around 25% better overclocked clock speed (Air)
More cores 2 vs 1 Twice as many cores; run more applications at once
More threads 4 vs 2 Twice as many threads
Lower annual home energy cost 17.59 $/year vs 21.2 $/year More than 15% lower annual home energy cost
Lower annual commercial energy cost 63.95 $/year vs 77.09 $/year More than 15% lower annual commercial energy cost

Features Key features of the Pentium 538  vs Core i3 550 

clock speed

Pentium 538
3.2 GHz
Core i3 550
3.2 GHz

L2 cache

Core i3 550
0.5 MB

overclocked clock speed (air)

Pentium 538
3.65 GHz
Core i3 550
4.54 GHz

overclocked clock speed (water)

Pentium 538
4.43 GHz
Core i3 550
3.2 GHz

TDP

Specifications Full list of technical specs

summary

Pentium 538  vs
Core i3 550 
Clock speed 3.2 GHz 3.2 GHz
Cores Single core Dual core
Socket type
478
LGA 1156

features

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

power consumption

TDP 88W 73W
Annual home energy cost 21.2 $/year 17.59 $/year
Annual commercial energy cost 77.09 $/year 63.95 $/year
Typical power consumption 71.5W 59.31W

details

Pentium 538  vs
Core i3 550 
Architecture x86 x86-64
Threads 2 4
L2 cache 1 MB 0.5 MB
L2 cache per core 1 MB/core 0.25 MB/core
Manufacture process 90 nm 32 nm
Transistor count 125,000,000 382,000,000
Max CPUs 1 1
Clock multiplier 24 24
Voltage range 1.25 - 1.4V 0.65 - 1.4V
Operating temperature Unknown - 75°C Unknown - 72.6°C

overclocking

Overclocked clock speed 3.65 GHz 4.54 GHz
Overclocked clock speed (Water) 4.43 GHz 3.2 GHz
Overclocked clock speed (Air) 3.65 GHz 4.54 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics
Number of displays supported N/A 2
GPU clock speed N/A 733 MHz

bus

Architecture FSB DMI
Number of links 1 1
Intel Pentium 538
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Intel Core i3 550
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