Cast your vote Do you agree or disagree with CPUBoss?

Thanks for adding your opinion. Follow us on Facebook to stay up to date with the latest news!

Differences What are the advantages of each

Front view of Intel Xeon E7-4820 v2

Reasons to consider the
Intel Xeon E7-4820 v2

Report a correction
Supports more RAM 1,572,864 MB vs 393,216 MB Supports 4x more RAM
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 May, 2012 Release date over 1 years later
Front view of Intel Xeon E5-4620

Reasons to consider the
Intel Xeon E5-4620

Report a correction
Significantly higher clock speed 2.2 GHz vs 2 GHz More than 10% higher clock speed
Higher turbo clock speed 2.6 GHz vs 2.5 GHz Around 5% higher turbo clock speed
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

Features Key features of the Xeon E7-4820 v2  vs E5-4620 

clock speed

turbo clock speed

Xeon E7-4820 v2
2.5 GHz
Xeon E5-4620
2.6 GHz

L2 cache

L3 cache

Specifications Full list of technical specs


Xeon E7-4820 v2  vs
Clock speed 2 GHz 2.2 GHz
Turbo clock speed 2.5 GHz 2.6 GHz
Cores Octa core Octa core
Socket type
LGA 2011


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

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 42,666.64 MB/s
Maximum memory size 1,572,864 MB 393,216 MB


Xeon E7-4820 v2  vs
Architecture x86-64 x86-64
Threads 16 16
L2 cache 2 MB 2 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 16 MB 16 MB
L3 cache per core 2 MB/core 2 MB/core
Manufacture process 22 nm 32 nm
Max CPUs 4 4

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 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 2
Data rate 86,400 MB/s 57,600 MB/s
Transfer rate 7,200 MT/s 7,200 MT/s
Clock speed 3,600 MHz 3,600 MHz
Intel Xeon E7-4820 v2
Report a correction
Intel Xeon E5-4620
Report a correction


comments powered by Disqus