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Differences What are the advantages of each

Front view of Intel Xeon E7-4830 v2

Reasons to consider the
Intel Xeon E7-4830 v2

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Supports more RAM 1,572,864 MB vs 393,216 MB Supports 4x more RAM
Much more l3 cache 20 MB vs 15 MB Around 35% more l3 cache; more data can be stored in the l3 cache for quick access later
Significantly higher clock speed 2.2 GHz vs 2 GHz More than 10% higher clock speed
More threads 20 vs 12 8 more threads
More l2 cache 2.5 MB vs 2 MB 25% more l2 cache; more data can be stored in the l2 cache for quick access later
Higher turbo clock speed 2.7 GHz vs 2.5 GHz Around 10% higher turbo clock speed
Newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Supports more CPUs in SMP configuration 4 vs 2 Twice as many CPUs in SMP configuration
Newer Feb, 2014 vs Mar, 2012 Release date over 1 years later
Front view of Intel Xeon E5-2620

Reasons to consider the
Intel Xeon E5-2620

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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
More l3 cache per core 2.5 MB/core vs 2 MB/core 25% 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 E7-4830 v2  vs E5-2620 

clock speed

turbo clock speed

Xeon E7-4830 v2
2.7 GHz
Xeon E5-2620
2.5 GHz

L2 cache

L3 cache

Specifications Full list of technical specs


Xeon E7-4830 v2  vs
Clock speed 2.2 GHz 2 GHz
Turbo clock speed 2.7 GHz 2.5 GHz
Cores Deca core Hexa core
Socket type
LGA 2011
Is unlocked No Yes


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 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


Xeon E7-4830 v2  vs
Architecture x86-64 x86-64
Threads 20 12
L2 cache 2.5 MB 2 MB
L2 cache per core 0.25 MB/core 0.33 MB/core
L3 cache 20 MB 15 MB
L3 cache per core 2 MB/core 2.5 MB/core
Manufacture process 22 nm 32 nm
Max CPUs 4 2
Clock multiplier 22 25
Operating temperature Unknown - 68°C Unknown - 77.4°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 51,200 MB/s 42,666.64 MB/s
Maximum memory size 1,572,864 MB 393,216 MB
Intel Xeon E7-4830 v2
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Intel Xeon E5-2620
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