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Differences What are the advantages of each

Front view of Intel Xeon E5-2650 v3

Reasons to consider the
Intel Xeon E5-2650 v3

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Much more l3 cache 25 MB vs 16 MB More than 55% more l3 cache; more data can be stored in the l3 cache for quick access later
Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Much higher clock speed 2.3 GHz vs 2 GHz Around 15% higher clock speed
Significantly higher turbo clock speed 3 GHz vs 2.5 GHz 20% higher turbo clock speed
More threads 20 vs 16 4 more threads
Much more l3 cache per core 2.5 MB/core vs 1 MB/core 2.5x more l3 cache per core
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 6370P

Reasons to consider the
AMD Opteron 6370P

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Supports more CPUs in SMP configuration 4 vs 2 Twice as many CPUs in SMP configuration
Slightly lower typical power consumption 80.44W vs 85.31W More than 5% lower typical power consumption
Better overclocked clock speed (Air) 2.5 GHz vs 2.44 GHz Around 5% better overclocked clock speed (Air)
Significantly better overclocked clock speed (Water) 2.5 GHz vs 2.3 GHz Around 10% better overclocked clock speed (Water)
Slightly lower annual commercial energy cost 86.72 $/year vs 91.98 $/year More than 5% lower annual commercial energy cost
Slightly lower annual home energy cost 23.85 $/year vs 25.29 $/year More than 5% lower annual home energy cost

Features Key features of the Xeon E5-2650 v3  vs Opteron 6370P 

clock speed

turbo clock speed

L3 cache

overclocked clock speed (air)

Xeon E5-2650 v3
2.44 GHz
Opteron 6370P
2.5 GHz

overclocked clock speed (water)

Xeon E5-2650 v3
2.3 GHz
Opteron 6370P
2.5 GHz

Specifications Full list of technical specs

summary

Xeon E5-2650 v3  vs
Opteron 6370P 
Clock speed 2.3 GHz 2 GHz
Turbo clock speed 3 GHz 2.5 GHz
Cores Deca core 16 core
Is unlocked Yes No

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 105W 99W
Annual home energy cost 25.29 $/year 23.85 $/year
Annual commercial energy cost 91.98 $/year 86.72 $/year
Typical power consumption 85.31W 80.44W

bus

Transfer rate 9,600 MT/s 6,400 MT/s
Clock speed 4,800 MHz 3,200 MHz

details

Xeon E5-2650 v3  vs
Opteron 6370P 
Architecture x86-64 x86-64
Threads 20 16
L3 cache 25 MB 16 MB
L3 cache per core 2.5 MB/core 1 MB/core
Manufacture process 22 nm 32 nm
Max CPUs 2 4
Operating temperature Unknown - 78.9°C Unknown - 69°C

overclocking

Overclocked clock speed 2.44 GHz 2.5 GHz
Overclocked clock speed (Water) 2.3 GHz 2.5 GHz
Overclocked clock speed (Air) 2.44 GHz 2.5 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 E5-2650 v3
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AMD Opteron 6370P
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