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Differences What are the advantages of each

Front view of Intel Pentium E5200

Reasons to consider the
Intel Pentium E5200

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Much more l2 cache 2 MB vs 0.5 MB 4x more l2 cache; more data can be stored in the l2 cache for quick access later
Much higher clock speed 2.5 GHz vs 1.86 GHz Around 35% higher clock speed
Much newer manufacturing process 45 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better overclocked clock speed (Air) 3.78 GHz vs 1.87 GHz More than 2x better overclocked clock speed (Air)
More cores 2 vs 1 Twice as many cores; run more applications at once
More threads 2 vs 1 Twice as many threads
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Much better overclocked clock speed (Water) 3.9 GHz vs 1.87 GHz More than 2x better overclocked clock speed (Water)
Front view of Intel Celeron 445

Reasons to consider the
Intel Celeron 445

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Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines

Features Key features of the Pentium E5200  vs Celeron 445 

clock speed

Pentium E5200
2.5 GHz
Celeron 445
1.86 GHz

L2 cache

overclocked clock speed (air)

Pentium E5200
3.78 GHz
Celeron 445
1.87 GHz

overclocked clock speed (water)

Pentium E5200
3.9 GHz
Celeron 445
1.87 GHz

Specifications Full list of technical specs

summary

Pentium E5200  vs
Celeron 445 
Clock speed 2.5 GHz 1.86 GHz
Cores Dual core Single core
Socket type
LGA 775
LGA 771

features

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

power consumption

TDP 65W 65W
Annual home energy cost 15.66 $/year 15.66 $/year
Annual commercial energy cost 56.94 $/year 56.94 $/year
Typical power consumption 52.81W 52.81W

details

Pentium E5200  vs
Celeron 445 
Architecture x86-64 x86-64
Threads 2 1
L2 cache 2 MB 0.5 MB
L2 cache per core 1 MB/core 0.5 MB/core
Manufacture process 45 nm 65 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 3.78 GHz 1.87 GHz
Overclocked clock speed (Water) 3.9 GHz 1.87 GHz
Overclocked clock speed (Air) 3.78 GHz 1.87 GHz

integrated graphics

GPU None None
Label N/A N/A
Latest DirectX N/A N/A
Number of displays supported N/A N/A
GPU clock speed N/A N/A
Turbo clock speed N/A N/A
3DMark06 N/A N/A

bus

Architecture FSB FSB
Number of links 1 1
Clock speed 800 MHz 1,066 MHz
Intel Pentium E5200
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Intel Celeron 445
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