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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 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 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
Newer Jan, 2014 vs May, 2012 Release date over 1 years later
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 2.4 GHz Around 30% higher clock speed
Much higher turbo clock speed 3.5 GHz vs 2.4 GHz More than 45% higher turbo clock speed
Much better PassMark score 6,602 vs 4,677 More than 40% better PassMark score
Much better PassMark (Single core) score 1,806 vs 1,139 Around 60% better PassMark (Single core) score
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
Much better performance per watt 13.51 pt/W vs 1.69 pt/W Around 8x better performance per watt
Much better performance per dollar 4.66 pt/$ vs 0.54 pt/$ More than 8.5x better performance per dollar
Lower typical power consumption 56.06W vs 65W Around 15% lower typical power consumption
Lower annual commercial energy cost 60.44 $/year vs 70.08 $/year Around 15% lower annual commercial energy cost
Lower annual home energy cost 16.62 $/year vs 19.27 $/year Around 15% lower annual home energy cost

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

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E5-2407 v2
1,640 MB/s
Xeon E3-1220 v2
2,200,000 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs


Xeon E5-2407 v2  vs
E3-1220 v2 
Clock speed 2.4 GHz 3.1 GHz
Turbo clock speed 2.4 GHz 3.5 GHz
Cores Quad core Quad core
Socket type
LGA 1356
LGA 1155


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 No Yes

power consumption

TDP 80W 69W
Annual home energy cost 19.27 $/year 16.62 $/year
Annual commercial energy cost 70.08 $/year 60.44 $/year
Performance per watt 1.69 pt/W 13.51 pt/W
Typical power consumption 65W 56.06W


Architecture QPI DMI
Number of links 1 1
Transfer rate 5,000 MT/s 5,000 MT/s


Xeon E5-2407 v2  vs
E3-1220 v2 
Architecture x86-64 x86-64
Threads 4 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 22 nm 22 nm
Max CPUs 2 1
Clock multiplier 24 31

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 Dual Channel
Supports ECC Yes Yes
Maximum bandwidth 19,200 MB/s 25,600 MB/s
Maximum memory size 393,216 MB 33,556.48 MB
Intel Xeon E5-2407 v2
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Intel Xeon E3-1220 v2
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