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Differences What are the advantages of each

Front view of Intel Xeon E5-2418L

Reasons to consider the
Intel Xeon E5-2418L

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Supports more RAM 393,216 MB vs 32,768 MB Supports 12x more RAM
More l3 cache 10 MB vs 8 MB 25% more l3 cache; more data can be stored in the l3 cache for quick access later
More threads 8 vs 4 Twice as many threads
Significantly lower typical power consumption 40.63W vs 65W Around 40% lower typical power consumption
More l3 cache per core 2.5 MB/core vs 2 MB/core 25% more l3 cache per core
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Significantly lower annual commercial energy cost 43.8 $/year vs 70.08 $/year Around 40% lower annual commercial energy cost
Significantly lower annual home energy cost 12.04 $/year vs 19.27 $/year More than 35% lower annual home energy cost
Front view of Intel Xeon E3-1220 v3

Reasons to consider the
Intel Xeon E3-1220 v3

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Much higher clock speed 3.1 GHz vs 2 GHz More than 55% higher clock speed
Much higher turbo clock speed 3.5 GHz vs 2.1 GHz More than 65% higher turbo clock speed
Much better performance per watt 30.47 pt/W vs 3.35 pt/W More than 9x better performance per watt
Much better performance per dollar 11.89 pt/$ vs 0.38 pt/$ More than 31.2x better performance per dollar
Newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Newer Apr, 2013 vs May, 2012 Release date 10 months later

Features Key features of the Xeon E5-2418L  vs E3-1220 v3 

clock speed

turbo clock speed

Xeon E5-2418L
2.1 GHz
Xeon E3-1220 v3
3.5 GHz

L2 cache

L3 cache

Specifications Full list of technical specs

summary

Xeon E5-2418L  vs
E3-1220 v3 
Clock speed 2 GHz 3.1 GHz
Turbo clock speed 2.1 GHz 3.5 GHz
Cores Quad 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
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
DDR3-800
Channels Triple Channel Dual Channel
Supports ECC Yes Yes
Maximum bandwidth 31,999.98 MB/s 25,600 MB/s
Maximum memory size 393,216 MB 32,768 MB

details

Xeon E5-2418L  vs
E3-1220 v3 
Threads 8 4
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 10 MB 8 MB
L3 cache per core 2.5 MB/core 2 MB/core
Manufacture process 32 nm 22 nm
Max CPUs 2 1

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 50W 80W
Annual home energy cost 12.04 $/year 19.27 $/year
Annual commercial energy cost 43.8 $/year 70.08 $/year
Performance per watt 3.35 pt/W 30.47 pt/W
Typical power consumption 40.63W 65W

bus

Architecture QPI DMI
Number of links 1 0
Transfer rate 6,400 MT/s 5,000 MT/s
Intel Xeon E5-2418L
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Intel Xeon E3-1220 v3
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