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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 33,556.48 MB Supports around 11.8x 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
Lower typical power consumption 40.63W vs 56.06W Around 30% 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
Lower annual commercial energy cost 43.8 $/year vs 60.44 $/year Around 30% lower annual commercial energy cost
Lower annual home energy cost 12.04 $/year vs 16.62 $/year Around 30% lower annual home energy cost
Front view of Intel Xeon E3-1220 v2

Reasons to consider the
Intel Xeon E3-1220 v2

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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 PassMark score 6,602 vs 5,202 More than 25% better PassMark score
Much better PassMark (Single core) score 1,806 vs 1,090 More than 65% better PassMark (Single core) score
Much better performance per watt 13.51 pt/W vs 3.35 pt/W More than 4x better performance per watt
Much better performance per dollar 4.66 pt/$ vs 0.38 pt/$ More than 12.2x 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

Benchmarks Real world tests of Xeon E5-2418L vs E3-1220 v2

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs


Xeon E5-2418L  vs
E3-1220 v2 
Clock speed 2 GHz 3.1 GHz
Turbo clock speed 2.1 GHz 3.5 GHz
Cores Quad core Quad core


Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

memory controller

Memory controller Built-in Built-in
Memory type
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 33,556.48 MB


Xeon E5-2418L  vs
E3-1220 v2 
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 69W
Annual home energy cost 12.04 $/year 16.62 $/year
Annual commercial energy cost 43.8 $/year 60.44 $/year
Performance per watt 3.35 pt/W 13.51 pt/W
Typical power consumption 40.63W 56.06W


Architecture QPI DMI
Number of links 1 1
Transfer rate 6,400 MT/s 5,000 MT/s
Intel Xeon E5-2418L
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Intel Xeon E3-1220 v2
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