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Differences What are the advantages of each

Front view of AMD Third Generation Opteron 8347

Reasons to consider the
AMD Third Generation Opteron 8347

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Supports more CPUs in SMP configuration 8 vs 1 7 supports more CPUs in SMP configuration
Significantly more l2 cache 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Higher clock speed 1.9 GHz vs 1.7 GHz More than 10% higher clock speed
Newer Aug, 2020 vs Jun, 2012 Release date over 8 years later
More cores 4 vs 2 Twice as many cores; run more applications at once
More threads 4 vs 2 Twice as many threads
More l3 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l3 cache per core
Front view of AMD E2 1800

Reasons to consider the
AMD E2 1800

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Much newer manufacturing process 32 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much lower typical power consumption 14.63W vs 77.19W 5.3x lower typical power consumption
Much lower annual home energy cost 4.34 $/year vs 22.89 $/year 5.3x lower annual home energy cost
Much lower annual commercial energy cost 15.77 $/year vs 83.22 $/year 5.3x lower annual commercial energy cost

Features Key features of the Third Generation Opteron 8347  vs E2 1800 

Specifications Full list of technical specs

summary

Third Generation Opteron 8347  vs
E2 1800 
Clock speed 1.9 GHz 1.7 GHz
Cores Quad core Dual core

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE3
SSE
AMD64
AMD-V
3DNow!
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

details

Third Generation Opteron 8347  vs
E2 1800 
Threads 4 2
L2 cache 2 MB 1 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
L3 cache 2 MB 0.5 MB
L3 cache per core 0.5 MB/core 0.25 MB/core
Manufacture process 65 nm 32 nm
Max CPUs 8 1
Clock multiplier 9 5
Voltage range 1 - UnknownV 0.88 - 1.35V

power consumption

TDP 95W 18W
Annual home energy cost 22.89 $/year 4.34 $/year
Annual commercial energy cost 83.22 $/year 15.77 $/year
Typical power consumption 77.19W 14.63W
AMD Third Generation Opteron 8347
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AMD E2 1800
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