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Differences What are the advantages of each

Front view of Intel Core i5 4670K

Reasons to consider the
Intel Core i5 4670K

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Much newer manufacturing process 22 nm vs 250 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much higher clock speed 3.4 GHz vs 0.4 GHz 8.5x higher clock speed
Much more l2 cache 1 MB vs 0.13 MB Around 7.8x more l2 cache; more data can be stored in the l2 cache for quick access later
More cores 4 vs 1 3 more cores; run more applications at once
More threads 4 vs 1 3 more threads
More advanced architecture x86-64 vs x86 A 64-bit architecture allows more RAM to be installed and accessed by the processor
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 Apr, 2013 vs Aug, 1998 Release date over 14 years later
Front view of Intel Celeron Mendocino

Reasons to consider the
Intel Celeron Mendocino

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Much lower typical power consumption 19.26W vs 68.25W 3.5x lower typical power consumption
Much higher Maximum operating temperature 85 °C vs 72.72 °C More than 15% higher Maximum operating temperature
Much lower annual commercial energy cost 20.76 $/year vs 73.58 $/year 3.5x lower annual commercial energy cost
Much lower annual home energy cost 5.71 $/year vs 20.24 $/year 3.5x lower annual home energy cost

Features Key features of the Core i5 4670K  vs Celeron Mendocino 

clock speed

L2 cache

Specifications Full list of technical specs

summary

Core i5 4670K  vs
Celeron Mendocino 
Clock speed 3.4 GHz 0.4 GHz
Cores Quad core Single core

features

Has a NX bit Yes No
Supports trusted computing No No
Has virtualization support Yes No
Supports dynamic frequency scaling Yes No

memory controller

Memory controller Built-in Built-in
Supports ECC No No

bus

Architecture DMI 2.0 FSB
Number of links 0 1

details

Core i5 4670K  vs
Celeron Mendocino 
Architecture x86-64 x86
Threads 4 1
L2 cache 1 MB 0.13 MB
L2 cache per core 0.25 MB/core 0.13 MB/core
Manufacture process 22 nm 250 nm
Max CPUs 1 1
Operating temperature Unknown - 72.72°C Unknown - 85°C

power consumption

TDP 84W 23.7W
Annual home energy cost 20.24 $/year 5.71 $/year
Annual commercial energy cost 73.58 $/year 20.76 $/year
Typical power consumption 68.25W 19.26W
Intel Core i5 4670K
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Intel Celeron Mendocino
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