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Differences What are the advantages of each

Front view of AMD Opteron 8389

Reasons to consider the
AMD Opteron 8389

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Much higher clock speed 2.9 GHz vs 2.5 GHz More than 15% higher clock speed
Significantly lower typical power consumption 60.94W vs 93.44W Around 35% lower typical power consumption
Supports more CPUs in SMP configuration 8 vs 4 Twice as many CPUs in SMP configuration
More l3 cache per core 1.5 MB/core vs 1 MB/core 50% more l3 cache per core
Significantly lower annual commercial energy cost 65.7 $/year vs 100.74 $/year Around 35% lower annual commercial energy cost
Significantly lower annual home energy cost 18.07 $/year vs 27.7 $/year Around 35% lower annual home energy cost
Front view of AMD Opteron 6280

Reasons to consider the
AMD Opteron 6280

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Much more l2 cache 16 MB vs 2 MB 8x more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l3 cache 16 MB vs 6 MB Around 2.8x more l3 cache; more data can be stored in the l3 cache for quick access later
More threads 16 vs 4 12 more threads
More cores 16 vs 4 12 more cores; run more applications at once
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor

Features Key features of the Opteron 8389  vs 6280 

clock speed

Opteron 8389
2.9 GHz
Opteron 6280
2.5 GHz

L2 cache

L3 cache

TDP

Specifications Full list of technical specs

summary

Opteron 8389  vs
6280 
Clock speed 2.9 GHz 2.5 GHz
Cores Quad core 16 core
Socket type
F
G34

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE4
SSE3
SSE
3DNow!
Supplemental SSE3
AES

details

Opteron 8389  vs
6280 
Threads 4 16
L2 cache 2 MB 16 MB
L2 cache per core 0.5 MB/core 1 MB/core
L3 cache 6 MB 16 MB
L3 cache per core 1.5 MB/core 1 MB/core
Manufacture process 45 nm 32 nm
Max CPUs 8 4

power consumption

TDP 75W 115W
Annual home energy cost 18.07 $/year 27.7 $/year
Annual commercial energy cost 65.7 $/year 100.74 $/year
Typical power consumption 60.94W 93.44W

bus

Architecture HyperTransport 3.0 HyperTransport 3.0
Clock speed 2,200 MHz 3,200 MHz
AMD Opteron 8389
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AMD Opteron 6280
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