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Differences What are the advantages of each

Front view of Intel Xeon E5-4650 v3

Reasons to consider the
Intel Xeon E5-4650 v3

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Supports more CPUs in SMP configuration 4 vs 1 3 supports more CPUs in SMP configuration
More threads 24 vs 4 20 more threads
More cores 12 vs 4 Three times as many cores; run more applications at once
Supports more RAM 786,432 MB vs 32,768 MB Supports 24x more RAM
Newer Apr, 2015 vs Apr, 2013 Release date over 2 years later
Front view of Intel Xeon E3-1225 v3

Reasons to consider the
Intel Xeon E3-1225 v3

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Significantly higher clock speed 3.2 GHz vs 2.1 GHz More than 50% higher clock speed
Higher turbo clock speed 3.6 GHz vs 2.8 GHz Around 30% higher turbo clock speed
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Lower typical power consumption 68.25W vs 85.31W 20% lower typical power consumption
Lower annual home energy cost 20.24 $/year vs 25.29 $/year Around 20% lower annual home energy cost
Lower annual commercial energy cost 73.58 $/year vs 91.98 $/year 20% lower annual commercial energy cost

Features Key features of the Xeon E5-4650 v3  vs E3-1225 v3 

clock speed

turbo clock speed

Specifications Full list of technical specs

summary

Xeon E5-4650 v3  vs
E3-1225 v3 
Clock speed 2.1 GHz 3.2 GHz
Turbo clock speed 2.8 GHz 3.6 GHz
Cores Duodeca core Quad core

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

memory controller

Memory controller Built-in Built-in
Channels Quad Channel Dual Channel
Supports ECC Yes Yes
Maximum memory size 786,432 MB 32,768 MB

details

Xeon E5-4650 v3  vs
E3-1225 v3 
Architecture x86-64 x86-64
Threads 24 4
Manufacture process 22 nm 22 nm
Max CPUs 4 1

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics P4600
Number of displays supported N/A 3
GPU clock speed N/A 350 MHz
Turbo clock speed N/A 1,200 MHz

power consumption

TDP 105W 84W
Annual home energy cost 25.29 $/year 20.24 $/year
Annual commercial energy cost 91.98 $/year 73.58 $/year
Typical power consumption 85.31W 68.25W

bus

Architecture QPI DMI
Number of links 2 0
Transfer rate 9,600 MT/s 5,000 MT/s
Intel Xeon E5-4650 v3
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Intel Xeon E3-1225 v3
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