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Differences What are the advantages of each

Front view of Intel Xeon E5-4650L

Reasons to consider the
Intel Xeon E5-4650L

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Higher clock speed 2.6 GHz vs 2.1 GHz Around 25% higher clock speed
Higher turbo clock speed 3.1 GHz vs 2.8 GHz More than 10% higher turbo clock speed
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
More threads 24 vs 16 8 more threads
Supports more RAM 786,432 MB vs 393,216 MB Supports 2x more RAM
Lower typical power consumption 85.31W vs 93.44W Around 10% lower typical power consumption
Newer Apr, 2015 vs May, 2012 Release date over 2 years later
Lower annual home energy cost 25.29 $/year vs 27.7 $/year Around 10% lower annual home energy cost
Lower annual commercial energy cost 91.98 $/year vs 100.74 $/year Around 10% lower annual commercial energy cost

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

clock speed

Xeon E5-4650L
2.6 GHz
Xeon E5-4650 v3
2.1 GHz

turbo clock speed

Xeon E5-4650L
3.1 GHz
Xeon E5-4650 v3
2.8 GHz

Specifications Full list of technical specs


Xeon E5-4650L  vs
E5-4650 v3 
Clock speed 2.6 GHz 2.1 GHz
Turbo clock speed 3.1 GHz 2.8 GHz
Cores Octa core Duodeca core


Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
Supplemental SSE3
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 393,216 MB 786,432 MB


Xeon E5-4650L  vs
E5-4650 v3 
Architecture x86-64 x86-64
Threads 16 24
Manufacture process 32 nm 22 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 115W 105W
Annual home energy cost 27.7 $/year 25.29 $/year
Annual commercial energy cost 100.74 $/year 91.98 $/year
Typical power consumption 93.44W 85.31W


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