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Differences What are the advantages of each

Front view of Intel Xeon X3450

Reasons to consider the
Intel Xeon X3450

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Much newer manufacturing process 45 nm vs 180 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much higher clock speed 2.66 GHz vs 0.85 GHz Around 3.2x higher clock speed
Significantly more l2 cache 1 MB vs 0.06 MB Around 16.8x 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
Much better overclocked clock speed (Air) 4.08 GHz vs 1.26 GHz Around 3.2x better overclocked clock speed (Air)
More threads 8 vs 1 7 more threads
More cores 4 vs 1 3 more cores; run more applications at once
More l2 cache per core 0.25 MB/core vs 0.06 MB/core Around 4.2x more l2 cache per core
Much better overclocked clock speed (Water) 2.67 GHz vs 0.85 GHz Around 3.2x better overclocked clock speed (Water)
Front view of AMD Duron 850

Reasons to consider the
AMD Duron 850

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CPUBoss is not aware of any important advantages of the AMD Duron 850 vs the Intel Xeon X3450.

Features Key features of the Xeon X3450  vs Duron 850 

clock speed

Xeon X3450
2.66 GHz
Duron 850
0.85 GHz

L2 cache

Xeon X3450
1 MB
Duron 850
0.06 MB

overclocked clock speed (air)

Xeon X3450
4.08 GHz
Duron 850
1.26 GHz

overclocked clock speed (water)

Xeon X3450
2.67 GHz
Duron 850
0.85 GHz

Specifications Full list of technical specs

summary

Xeon X3450  vs
Duron 850 
Clock speed 2.66 GHz 0.85 GHz
Cores Quad core Single core
Socket type
LGA 1156
462

features

Has a NX bit Yes No
Instruction set extensions
SSE2
MMX
SSE4
SSE3
SSE
SSE4.1
SSE4.2
3DNow!
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

details

Xeon X3450  vs
Duron 850 
Threads 8 1
L2 cache 1 MB 0.06 MB
L2 cache per core 0.25 MB/core 0.06 MB/core
Manufacture process 45 nm 180 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 4.08 GHz 1.26 GHz
Overclocked clock speed (Water) 2.67 GHz 0.85 GHz
Overclocked clock speed (Air) 4.08 GHz 1.26 GHz

power consumption

Typical power consumption 77.19W N/A
Intel Xeon X3450
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AMD Duron 850
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