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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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Much higher Maximum operating temperature 91 °C vs 64 °C More than 40% higher Maximum operating temperature
Much lower typical power consumption 40.63W vs 105.63W 2.6x lower typical power consumption
Much lower annual commercial energy cost 43.8 $/year vs 113.88 $/year 2.6x lower annual commercial energy cost
Much lower annual home energy cost 12.04 $/year vs 31.32 $/year 2.6x lower annual home energy cost
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Front view of Intel Xeon E5-1620

Reasons to consider the
Intel Xeon E5-1620

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Much higher clock speed 3.6 GHz vs 2 GHz 80% higher clock speed
Much higher turbo clock speed 3.8 GHz vs 2.1 GHz More than 80% higher turbo clock speed
Much better PassMark score 9,487 vs 5,202 More than 80% better PassMark score
Much better PassMark (Single core) score 2,117 vs 1,090 Around 95% better PassMark (Single core) score
Much better performance per watt 7.47 pt/W vs 3.35 pt/W Around 2.2x better performance per watt
Much better performance per dollar 3.3 pt/$ vs 0.38 pt/$ Around 8.8x better performance per dollar

Benchmarks Real world tests of Xeon E5-2418L vs E5-1620

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs


Xeon E5-2418L  vs
Clock speed 2 GHz 3.6 GHz
Turbo clock speed 2.1 GHz 3.8 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

power consumption

TDP 50W 130W
Annual home energy cost 12.04 $/year 31.32 $/year
Annual commercial energy cost 43.8 $/year 113.88 $/year
Performance per watt 3.35 pt/W 7.47 pt/W
Typical power consumption 40.63W 105.63W


Architecture QPI QPI
Number of links 1 0
Transfer rate 6,400 MT/s 0 MT/s
Clock speed 3,200 MHz 0 MHz


Xeon E5-2418L  vs
Threads 8 8
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 10 MB 10 MB
L3 cache per core 2.5 MB/core 2.5 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 2 1
Operating temperature Unknown - 91°C Unknown - 64°C

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

memory controller

Memory controller Built-in Built-in
Memory type
Channels Triple Channel Quad Channel
Supports ECC Yes Yes
Maximum bandwidth 31,999.98 MB/s 51,200 MB/s
Maximum memory size 393,216 MB 384,000 MB
Intel Xeon E5-2418L
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Intel Xeon E5-1620
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