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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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Significantly newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More cores 12 vs 8 4 more cores; run more applications at once
Significantly lower typical power consumption 85.31W vs 105.63W Around 20% lower typical power consumption
More threads 24 vs 16 8 more threads
Supports more RAM 786,432 MB vs 393,216 MB Supports 2x more RAM
Newer Apr, 2015 vs May, 2012 Release date over 2 years later
Significantly lower annual home energy cost 25.29 $/year vs 31.32 $/year Around 20% lower annual home energy cost
Significantly lower annual commercial energy cost 91.98 $/year vs 113.88 $/year Around 20% lower annual commercial energy cost
Front view of Intel Xeon E5-4650

Reasons to consider the
Intel Xeon E5-4650

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Higher clock speed 2.7 GHz vs 2.1 GHz Around 30% higher clock speed
Higher turbo clock speed 3.3 GHz vs 2.8 GHz Around 20% higher turbo clock speed

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

clock speed

Xeon E5-4650 v3
2.1 GHz
Xeon E5-4650
2.7 GHz

turbo clock speed

Xeon E5-4650 v3
2.8 GHz
Xeon E5-4650
3.3 GHz

Specifications Full list of technical specs

summary

Xeon E5-4650 v3  vs
E5-4650 
Clock speed 2.1 GHz 2.7 GHz
Turbo clock speed 2.8 GHz 3.3 GHz
Cores Duodeca core Octa core

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
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 Quad Channel
Supports ECC Yes Yes
Maximum memory size 786,432 MB 393,216 MB

details

Xeon E5-4650 v3  vs
E5-4650 
Architecture x86-64 x86-64
Threads 24 16
Manufacture process 22 nm 32 nm
Max CPUs 4 4

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

power consumption

TDP 105W 130W
Annual home energy cost 25.29 $/year 31.32 $/year
Annual commercial energy cost 91.98 $/year 113.88 $/year
Typical power consumption 85.31W 105.63W

bus

Architecture QPI QPI
Number of links 2 2
Data rate 76,800 MB/s 64,000 MB/s
Transfer rate 9,600 MT/s 8,000 MT/s
Clock speed 4,800 MHz 4,000 MHz
Intel Xeon E5-4650 v3
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Intel Xeon E5-4650
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