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Differences What are the advantages of each

Front view of AMD Opteron 2389

Reasons to consider the
AMD Opteron 2389

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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
More l3 cache 6 MB vs 0.5 MB 12x more l3 cache; more data can be stored in the l3 cache for quick access later
Higher clock speed 2.9 GHz vs 2.7 GHz More than 5% higher clock speed
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Much more l3 cache per core 1.5 MB/core vs 0.25 MB/core 6x more l3 cache per core
More cores 4 vs 2 Twice as many cores; run more applications at once
More threads 4 vs 2 Twice as many threads
Slightly better overclocked clock speed (Water) 2.9 GHz vs 2.7 GHz More than 5% better overclocked clock speed (Water)
Front view of AMD A6 4400M

Reasons to consider the
AMD A6 4400M

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much lower typical power consumption 28.44W vs 60.94W 2.1x lower typical power consumption
Much higher Maximum operating temperature 100 °C vs 55 °C More than 80% higher Maximum operating temperature
Newer May, 2012 vs Feb, 2009 Release date over 3 years later
Better overclocked clock speed (Air) 3.2 GHz vs 2.9 GHz More than 10% better overclocked clock speed (Air)
Much lower annual home energy cost 8.43 $/year vs 18.07 $/year 2.1x lower annual home energy cost
Much lower annual commercial energy cost 30.66 $/year vs 65.7 $/year 2.1x lower annual commercial energy cost

Features Key features of the Opteron 2389  vs A6 4400M 

clock speed

Opteron 2389
2.9 GHz
A6 4400M
2.7 GHz

L2 cache

L3 cache

A6 4400M
0.5 MB

overclocked clock speed (air)

Opteron 2389
2.9 GHz
A6 4400M
3.2 GHz

overclocked clock speed (water)

Opteron 2389
2.9 GHz
A6 4400M
2.7 GHz

TDP

Specifications Full list of technical specs

summary

Opteron 2389  vs
A6 4400M 
Clock speed 2.9 GHz 2.7 GHz
Cores Quad core Dual core
Is unlocked No No

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
AVX 1.1
SSE2
F16C
MMX
XOP
AVX
SSE3
SSE
CLMUL
AMD64
SSE4.1
FMA4
FMA3
SSE4.2
CVT16
AMD-V
3DNow!
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 75W 35W
Annual home energy cost 18.07 $/year 8.43 $/year
Annual commercial energy cost 65.7 $/year 30.66 $/year
Typical power consumption 60.94W 28.44W

details

Opteron 2389  vs
A6 4400M 
Threads 4 2
L2 cache 2 MB 1 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
L3 cache 6 MB 0.5 MB
L3 cache per core 1.5 MB/core 0.25 MB/core
Manufacture process 45 nm 32 nm
Max CPUs 2 1
Clock multiplier 14 27
Voltage range 1.32 - UnknownV 0.81 - 1.32V
Operating temperature 0 - 55°C Unknown - 100°C

overclocking

Overclocked clock speed 2.9 GHz 3.2 GHz
Overclocked clock speed (Water) 2.9 GHz 2.7 GHz
Overclocked clock speed (Air) 2.9 GHz 3.2 GHz

integrated graphics

GPU None GPU
Label N/A Radeon™ HD 7520G
Latest DirectX N/A 11.0
GPU clock speed N/A 496 MHz
Turbo clock speed N/A 685 MHz
AMD Opteron 2389
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AMD A6 4400M
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