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Differences What are the advantages of each

Front view of Intel Xeon E5-1650 v3

Reasons to consider the
Intel Xeon E5-1650 v3

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Much higher clock speed 3.5 GHz vs 2.3 GHz More than 50% higher clock speed
Much higher turbo clock speed 3.8 GHz vs 2.8 GHz More than 35% higher turbo clock speed
Much better overclocked clock speed (Air) 4.33 GHz vs 2.8 GHz Around 55% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 4.55 GHz vs 2.8 GHz Around 65% better overclocked clock speed (Water)
Newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Front view of AMD Opteron 6338P

Reasons to consider the
AMD Opteron 6338P

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Significantly lower typical power consumption 80.44W vs 113.75W Around 30% lower typical power consumption
More l3 cache 16 MB vs 15 MB More than 5% more l3 cache; more data can be stored in the l3 cache for quick access later
Supports more CPUs in SMP configuration 4 vs 1 3 supports more CPUs in SMP configuration
Significantly lower annual commercial energy cost 86.72 $/year vs 122.64 $/year Around 30% lower annual commercial energy cost
Significantly lower annual home energy cost 23.85 $/year vs 33.73 $/year Around 30% lower annual home energy cost

Features Key features of the Xeon E5-1650 v3  vs Opteron 6338P 

clock speed

Xeon E5-1650 v3
3.5 GHz
Opteron 6338P
2.3 GHz

turbo clock speed

Xeon E5-1650 v3
3.8 GHz
Opteron 6338P
2.8 GHz

L3 cache

overclocked clock speed (air)

Xeon E5-1650 v3
4.33 GHz
Opteron 6338P
2.8 GHz

overclocked clock speed (water)

Xeon E5-1650 v3
4.55 GHz
Opteron 6338P
2.8 GHz

Specifications Full list of technical specs

summary

Xeon E5-1650 v3  vs
Opteron 6338P 
Clock speed 3.5 GHz 2.3 GHz
Turbo clock speed 3.8 GHz 2.8 GHz
Cores Hexa core Dodeca core

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
AVX 1.1
SSE2
F16C
MMX
XOP
AVX
SSE3
SSE
ABM
BMI1
CLMUL
AMD64
SSE4.1
FMA4
FMA3
SSE4.2
CVT16
AMD-V
Supplemental SSE3
AES
TBM
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 140W 99W
Annual home energy cost 33.73 $/year 23.85 $/year
Annual commercial energy cost 122.64 $/year 86.72 $/year
Typical power consumption 113.75W 80.44W

bus

Transfer rate 0 MT/s 6,400 MT/s
Clock speed 0 MHz 3,200 MHz

details

Xeon E5-1650 v3  vs
Opteron 6338P 
Architecture x86-64 x86-64
Threads 12 12
L3 cache 15 MB 16 MB
Manufacture process 22 nm 32 nm
Max CPUs 1 4
Operating temperature Unknown - 66.7°C Unknown - 69°C

overclocking

Overclocked clock speed 4.33 GHz 2.8 GHz
Overclocked clock speed (Water) 4.55 GHz 2.8 GHz
Overclocked clock speed (Air) 4.33 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

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR
Channels Quad Channel Quad Channel
Supports ECC Yes Yes
Maximum bandwidth 6,400 MB/s 51,200 MB/s
Intel Xeon E5-1650 v3
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AMD Opteron 6338P
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