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Differences What are the advantages of each

Front view of Intel Xeon E7-4807

Reasons to consider the
Intel Xeon E7-4807

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Supports more RAM 2,097,152 MB vs 786,432 MB Supports around 2.8x more RAM
Supports more CPUs in SMP configuration 4 vs 2 Twice as many CPUs in SMP configuration
More l3 cache per core 3 MB/core vs 2.5 MB/core 20% more l3 cache per core
Lower typical power consumption 77.19W vs 85.31W Around 10% lower typical power consumption
Lower annual commercial energy cost 83.22 $/year vs 91.98 $/year Around 10% lower annual commercial energy cost
Lower annual home energy cost 22.89 $/year vs 25.29 $/year Around 10% lower annual home energy cost
Front view of Intel Xeon E5-2660 v3

Reasons to consider the
Intel Xeon E5-2660 v3

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Much higher clock speed 2.6 GHz vs 1.86 GHz Around 40% higher clock speed
Much more l3 cache 25 MB vs 18 MB Around 40% more l3 cache; more data can be stored in the l3 cache for quick access later
More threads 20 vs 12 8 more threads
Newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Newer Jul, 2014 vs Apr, 2011 Release date over 3 years later

Features Key features of the Xeon E7-4807  vs E5-2660 v3 

clock speed

Xeon E7-4807
1.86 GHz
Xeon E5-2660 v3
2.6 GHz

L3 cache

Specifications Full list of technical specs


Xeon E7-4807  vs
E5-2660 v3 
Clock speed 1.86 GHz 2.6 GHz
Cores Hexa core Deca 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 Yes Yes

power consumption

TDP 95W 105W
Annual home energy cost 22.89 $/year 25.29 $/year
Annual commercial energy cost 83.22 $/year 91.98 $/year
Typical power consumption 77.19W 85.31W


Architecture QPI QPI
Number of links 1 2
Data rate 19,200 MB/s 76,800 MB/s
Transfer rate 4,800 MT/s 9,600 MT/s
Clock speed 2,400 MHz 4,800 MHz


Xeon E7-4807  vs
E5-2660 v3 
Architecture x86-64 x86-64
Threads 12 20
L3 cache 18 MB 25 MB
L3 cache per core 3 MB/core 2.5 MB/core
Manufacture process 32 nm 22 nm
Max CPUs 4 2
Operating temperature Unknown - 70°C Unknown - 79°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 Quad Channel Quad Channel
Supports ECC Yes Yes
Maximum bandwidth 25,600 MB/s 6,400 MB/s
Maximum memory size 2,097,152 MB 786,432 MB
Intel Xeon E7-4807
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Intel Xeon E5-2660 v3
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