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Differences What are the advantages of each

Front view of Intel Xeon E5-2407 v2

Reasons to consider the
Intel Xeon E5-2407 v2

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Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Slightly 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
Supports more RAM 393,216 MB vs 65,536 MB Supports 6x more RAM
More l3 cache per core 2.5 MB/core vs 2 MB/core 25% more l3 cache per core
Front view of Intel Xeon E3-1220 v5

Reasons to consider the
Intel Xeon E3-1220 v5

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Significantly higher turbo clock speed 3.5 GHz vs 2.4 GHz More than 45% higher turbo clock speed
Higher clock speed 3 GHz vs 2.4 GHz More than 25% higher clock speed
Supports dynamic frequency scaling Yes vs No Somewhat common; Allows for maximum performance when needed, while conserving power and minimizing heat production when not needed
Significantly newer manufacturing process 14 nm vs 22 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better performance per dollar 1.28 pt/$ vs 0.54 pt/$ More than 2.2x better performance per dollar
Significantly better PassMark (Single core) score 1,976 vs 1,139 Around 75% better PassMark (Single core) score
Better PassMark score 7,691 vs 4,677 Around 65% better PassMark score
Better performance per watt 3.35 pt/W vs 1.69 pt/W Around 2x better performance per watt
Newer Oct, 2015 vs Jan, 2014 Release date over 1 years later

Benchmarks Real world tests of Xeon E5-2407 v2 vs E3-1220 v5

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs


Xeon E5-2407 v2  vs
E3-1220 v5 
Clock speed 2.4 GHz 3 GHz
Turbo clock speed 2.4 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
AVX 2.0
Supports dynamic frequency scaling No Yes

memory controller

Memory controller Built-in Built-in
Memory type
Channels Triple Channel Dual Channel
Supports ECC Yes Yes
Maximum bandwidth 19,200 MB/s 12,800 MB/s
Maximum memory size 393,216 MB 65,536 MB


Xeon E5-2407 v2  vs
E3-1220 v5 
Architecture x86-64 x86-64
Threads 4 4
L3 cache 10 MB 8 MB
L3 cache per core 2.5 MB/core 2 MB/core
Manufacture process 22 nm 14 nm
Max CPUs 2 1
Voltage range 0.65 - 1.3V 0.55 - 1.52V

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 80W 80W
Annual home energy cost 19.27 $/year 19.27 $/year
Annual commercial energy cost 70.08 $/year 70.08 $/year
Performance per watt 1.69 pt/W 3.35 pt/W
Typical power consumption 65W 65W


Architecture QPI FSB
Number of links 1 1
Transfer rate 5,000 MT/s 8,000 MT/s
Intel Xeon E5-2407 v2
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Intel Xeon E3-1220 v5
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