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Differences What are the advantages of each

Front view of Intel Pentium III 800EB

Reasons to consider the
Intel Pentium III 800EB

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Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Front view of AMD Athlon II X2 250

Reasons to consider the
AMD Athlon II X2 250

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Much newer manufacturing process 32 nm vs 180 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much more l2 cache 2 MB vs 0.25 MB 8x more l2 cache; more data can be stored in the l2 cache for quick access later
Much higher clock speed 3 GHz vs 0.8 GHz 3.8x higher clock speed
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 0.25 MB/core 4x more l2 cache per core
Has a NX bit Yes vs No Somewhat common; Prevents a common class of security exploits
Newer Jun, 2009 vs Dec, 1999 Release date over 9 years later

Features Key features of the Pentium III 800EB  vs Athlon II X2 250 

clock speed

L2 cache

Specifications Full list of technical specs

summary

Pentium III 800EB  vs
Athlon II X2 250 
Clock speed 0.8 GHz 3 GHz
Cores Single core Dual core
Socket type
370
AM3

features

Has a NX bit No Yes
Instruction set extensions
SSE4a
AVX 1.1
SSE2
F16C
MMX
XOP
AVX
SSE3
SSE
BMI1
AMD64
SSE4.1
FMA4
FMA3
SSE4.2
ABM
CVT16
AMD-V
Supplemental SSE3
AES
TBM

details

Pentium III 800EB  vs
Athlon II X2 250 
Threads 1 2
L2 cache 0.25 MB 2 MB
L2 cache per core 0.25 MB/core 1 MB/core
Manufacture process 180 nm 32 nm
Max CPUs 2 1

power consumption

Typical power consumption N/A 52.81W

bus

Clock speed 133 MHz 2,000 MHz
Intel Pentium III 800EB
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AMD Athlon II X2 250
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