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Differences What are the advantages of each

Front view of AMD Opteron 4340

Reasons to consider the
AMD Opteron 4340

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Much higher clock speed 3.5 GHz vs 3 GHz More than 15% higher clock speed
Higher turbo clock speed 3.8 GHz vs 3.7 GHz Around 5% higher turbo clock speed
Much better overclocked clock speed (Air) 3.5 GHz vs 3 GHz More than 15% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 3.5 GHz vs 3 GHz More than 15% better overclocked clock speed (Water)
Front view of AMD Opteron 4332 HE

Reasons to consider the
AMD Opteron 4332 HE

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Significantly lower typical power consumption 52.81W vs 77.19W More than 30% lower typical power consumption
Significantly lower annual commercial energy cost 56.94 $/year vs 83.22 $/year More than 30% lower annual commercial energy cost
Significantly lower annual home energy cost 15.66 $/year vs 22.89 $/year More than 30% lower annual home energy cost

Features Key features of the Opteron 4340  vs 4332 HE 

clock speed

turbo clock speed

Opteron 4340
3.8 GHz
Opteron 4332 HE
3.7 GHz

L2 cache

L3 cache

overclocked clock speed (air)

overclocked clock speed (water)

Specifications Full list of technical specs

summary

Opteron 4340  vs
4332 HE 
Clock speed 3.5 GHz 3 GHz
Turbo clock speed 3.8 GHz 3.7 GHz
Cores Hexa core Hexa core
Socket type
C32
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
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 95W 65W
Annual home energy cost 22.89 $/year 15.66 $/year
Annual commercial energy cost 83.22 $/year 56.94 $/year
Typical power consumption 77.19W 52.81W

bus

Architecture HyperTransport 3.0 HyperTransport 3.0
Transfer rate 6,400 MT/s 6,400 MT/s
Clock speed 3,200 MHz 3,200 MHz

details

Opteron 4340  vs
4332 HE 
Threads 6 6
L2 cache 6 MB 6 MB
L2 cache per core 1 MB/core 1 MB/core
L3 cache 8 MB 8 MB
L3 cache per core 1.33 MB/core 1.33 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 2 2
Clock multiplier 17 15
Operating temperature Unknown - 67.7°C Unknown - 68°C

overclocking

Overclocked clock speed 3.5 GHz 3 GHz
Overclocked clock speed (Water) 3.5 GHz 3 GHz
Overclocked clock speed (Air) 3.5 GHz 3 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

memory controller

Memory controller Built-in Built-in
Memory type
DDR3
Channels Dual Channel Dual Channel
Supports ECC Yes Yes
Maximum bandwidth 12,800 MB/s 12,800 MB/s
AMD Opteron 4340
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AMD Opteron 4332 HE
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