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Differences What are the advantages of each

Front view of Intel Xeon E7-4820 v2

Reasons to consider the
Intel Xeon E7-4820 v2

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Higher clock speed 2 GHz vs 1.86 GHz Around 10% higher clock speed
More threads 16 vs 12 4 more threads
Newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Newer Feb, 2014 vs Apr, 2011 Release date over 2 years later
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 1,572,864 MB Supports around 35% more RAM
More l3 cache 18 MB vs 16 MB Around 15% more l3 cache; more data can be stored in the l3 cache for quick access later
Much more l3 cache per core 3 MB/core vs 2 MB/core 50% more l3 cache per core
Lower typical power consumption 77.19W vs 85.31W Around 10% lower typical power consumption
More l2 cache per core 0.33 MB/core vs 0.25 MB/core Around 35% more l2 cache per core
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

Features Key features of the Xeon E7-4820 v2  vs E7-4807 

clock speed

Xeon E7-4807
1.86 GHz

L2 cache

L3 cache

Specifications Full list of technical specs


Xeon E7-4820 v2  vs
Clock speed 2 GHz 1.86 GHz
Cores Octa core Hexa core
Socket type
LGA 2011
LGA 1567


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


Architecture QPI QPI
Number of links 3 1
Data rate 86,400 MB/s 19,200 MB/s
Transfer rate 7,200 MT/s 4,800 MT/s
Clock speed 3,600 MHz 2,400 MHz


Xeon E7-4820 v2  vs
Architecture x86-64 x86-64
Threads 16 12
L2 cache 2 MB 2 MB
L2 cache per core 0.25 MB/core 0.33 MB/core
L3 cache 16 MB 18 MB
L3 cache per core 2 MB/core 3 MB/core
Manufacture process 22 nm 32 nm
Max CPUs 4 4
Clock multiplier 20 14
Operating temperature Unknown - 68°C Unknown - 70°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 42,666.64 MB/s 25,600 MB/s
Maximum memory size 1,572,864 MB 2,097,152 MB
Intel Xeon E7-4820 v2
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Intel Xeon E7-4807
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