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Differences What are the advantages of each

Front view of Intel Core i5 2500

Reasons to consider the
Intel Core i5 2500

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Much higher clock speed 3.3 GHz vs 1 GHz More than 3.2x higher clock speed
Much newer manufacturing process 32 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
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
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
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
Much better overclocked clock speed (Air) 3.7 GHz vs 1 GHz Around 3.8x better overclocked clock speed (Air)
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
More cores 4 vs 1 3 more cores; run more applications at once
Newer Jan, 2011 vs Jul, 2006 Release date over 4 years later
Much better overclocked clock speed (Water) 4.21 GHz vs 1 GHz Around 4.2x better overclocked clock speed (Water)
More threads 4 vs 1 3 more threads
Front view of Intel Celeron 573

Reasons to consider the
Intel Celeron 573

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Much lower typical power consumption 8.13W vs 77.19W 9.5x lower typical power consumption
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Much lower annual home energy cost 2.41 $/year vs 22.89 $/year 9.5x lower annual home energy cost
Much lower annual commercial energy cost 8.76 $/year vs 83.22 $/year 9.5x lower annual commercial energy cost

Features Key features of the Core i5 2500  vs Celeron 573 

clock speed

Core i5 2500
3.3 GHz
Celeron 573
1 GHz

L2 cache

overclocked clock speed (air)

Core i5 2500
3.7 GHz
Celeron 573
1 GHz

overclocked clock speed (water)

Core i5 2500
4.21 GHz
Celeron 573
1 GHz

Specifications Full list of technical specs

summary

Core i5 2500  vs
Celeron 573 
Clock speed 3.3 GHz 1 GHz
Cores Quad core Single core
Socket type
LGA 1155
479

features

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

power consumption

TDP 95W 10W
Annual home energy cost 22.89 $/year 2.41 $/year
Annual commercial energy cost 83.22 $/year 8.76 $/year
Typical power consumption 77.19W 8.13W

details

Core i5 2500  vs
Celeron 573 
Architecture x86-64 x86-64
Threads 4 1
L2 cache 1 MB 0.5 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
Manufacture process 32 nm 65 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 3.7 GHz 1 GHz
Overclocked clock speed (Water) 4.21 GHz 1 GHz
Overclocked clock speed (Air) 3.7 GHz 1 GHz

integrated graphics

GPU GPU None
Label Intel® HD Graphics 2000 N/A
Number of displays supported 2 N/A
GPU clock speed 850 MHz N/A
Turbo clock speed 1,100 MHz N/A

bus

Architecture DMI FSB
Number of links 1 1
Intel Core i5 2500
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Intel Celeron 573
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