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Differences What are the advantages of each

Front view of AMD Opteron 6128

Reasons to consider the
AMD Opteron 6128

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Much more l3 cache 12 MB vs 8 MB 50% more l3 cache; more data can be stored in the l3 cache for quick access later
More threads 8 vs 6 2 more threads
Supports more CPUs in SMP configuration 4 vs 2 Twice as many CPUs in SMP configuration
More l3 cache per core 1.5 MB/core vs 1.33 MB/core Around 15% more l3 cache per core
Front view of AMD Opteron 4228 HE

Reasons to consider the
AMD Opteron 4228 HE

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Much higher clock speed 2.8 GHz vs 2 GHz Around 40% higher clock speed
Much more l2 cache 6 MB vs 4 MB 50% more l2 cache; more data can be stored in the l2 cache for quick access later
Much lower typical power consumption 52.81W vs 93.44W Around 45% lower typical power consumption
Much better overclocked clock speed (Air) 2.8 GHz vs 2.05 GHz More than 35% better overclocked clock speed (Air)
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
Much better overclocked clock speed (Water) 2.8 GHz vs 2 GHz Around 40% better overclocked clock speed (Water)
Much lower annual commercial energy cost 56.94 $/year vs 100.74 $/year Around 45% lower annual commercial energy cost
Much lower annual home energy cost 15.66 $/year vs 27.7 $/year Around 45% lower annual home energy cost
Newer Nov, 2011 vs Mar, 2010 Release date over 1 years later

Features Key features of the Opteron 6128  vs 4228 HE 

clock speed

L2 cache

L3 cache

overclocked clock speed (air)

Opteron 6128
2.05 GHz
Opteron 4228 HE
2.8 GHz

overclocked clock speed (water)

Specifications Full list of technical specs

summary

Opteron 6128  vs
4228 HE 
Clock speed 2 GHz 2.8 GHz
Cores Octa core Hexa core
Socket type
G34
C32
Is unlocked No No

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

power consumption

TDP 115W 65W
Annual home energy cost 27.7 $/year 15.66 $/year
Annual commercial energy cost 100.74 $/year 56.94 $/year
Typical power consumption 93.44W 52.81W

bus

Architecture HyperTransport 3.0 HyperTransport 3.0
Clock speed 3,200 MHz 3,200 MHz

details

Opteron 6128  vs
4228 HE 
Threads 8 6
L2 cache 4 MB 6 MB
L2 cache per core 0.5 MB/core 1 MB/core
L3 cache 12 MB 8 MB
L3 cache per core 1.5 MB/core 1.33 MB/core
Manufacture process 45 nm 32 nm
Max CPUs 4 2
Clock multiplier 10 18
Operating temperature Unknown - 55°C Unknown - 68°C

overclocking

Overclocked clock speed 2.05 GHz 2.8 GHz
Overclocked clock speed (Water) 2 GHz 2.8 GHz
Overclocked clock speed (Air) 2.05 GHz 2.8 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
AMD Opteron 6128
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AMD Opteron 4228 HE
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