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Differences What are the advantages of each

Front view of Intel Pentium III 1BGHz

Reasons to consider the
Intel Pentium III 1BGHz

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Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Front view of Intel Core i7 4770K

Reasons to consider the
Intel Core i7 4770K

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Much higher clock speed 3.5 GHz vs 1 GHz 3.5x higher clock speed
Much newer manufacturing process 22 nm vs 180 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More cores 4 vs 1 3 more cores; run more applications at once
More threads 8 vs 1 7 more threads
Has a NX bit Yes vs No Somewhat common; Prevents a common class of security exploits

Features Key features of the Pentium III 1BGHz  vs Core i7 4770K 

clock speed

L2 cache

Specifications Full list of technical specs

summary

Pentium III 1BGHz  vs
Core i7 4770K 
Clock speed 1 GHz 3.5 GHz
Cores Single core Quad core

features

Has a NX bit No Yes
Instruction set extensions
SSE2
F16C
MMX
SSE4
AVX
SSE3
EM64T
SSE
SSE4.1
FMA3
SSE4.2
Supplemental SSE3
AES
AVX 2.0

details

Pentium III 1BGHz  vs
Core i7 4770K 
Threads 1 8
L2 cache 0.25 MB 1 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
Manufacture process 180 nm 22 nm
Max CPUs 2 1

power consumption

Typical power consumption N/A 68.25W
Intel Pentium III 1BGHz
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Intel Core i7 4770K
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