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Differences What are the advantages of each

Front view of Intel Xeon E7-8893 v2

Reasons to consider the
Intel Xeon E7-8893 v2

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Much higher clock speed 3.4 GHz vs 2 GHz 70% higher clock speed
Much more l3 cache 37.5 MB vs 15 MB 2.5x more l3 cache; more data can be stored in the l3 cache for quick access later
Much higher turbo clock speed 3.7 GHz vs 2.5 GHz Around 50% higher turbo clock speed
Supports more RAM 1,572,864 MB vs 393,216 MB Supports 4x more RAM
Much more l3 cache per core 6.25 MB/core vs 2.5 MB/core 2.5x more l3 cache per core
Supports more CPUs in SMP configuration 8 vs 2 6 supports more CPUs in SMP configuration
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 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 l2 cache 2 MB vs 1.5 MB Around 35% more l2 cache; more data can be stored in the l2 cache for quick access later
Much lower typical power consumption 77.19W vs 125.94W Around 40% 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
Much lower annual commercial energy cost 83.22 $/year vs 135.78 $/year Around 40% lower annual commercial energy cost
Much lower annual home energy cost 22.89 $/year vs 37.34 $/year Around 40% lower annual home energy cost

Features Key features of the Xeon E7-8893 v2  vs E5-2620 

clock speed

turbo clock speed

Xeon E7-8893 v2
3.7 GHz
Xeon E5-2620
2.5 GHz

L2 cache

L3 cache

Specifications Full list of technical specs

summary

Xeon E7-8893 v2  vs
E5-2620 
Clock speed 3.4 GHz 2 GHz
Turbo clock speed 3.7 GHz 2.5 GHz
Cores Hexa core Hexa core
Socket type
LGA 2011
Is unlocked No Yes

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 155W 95W
Annual home energy cost 37.34 $/year 22.89 $/year
Annual commercial energy cost 135.78 $/year 83.22 $/year
Typical power consumption 125.94W 77.19W

bus

Architecture QPI QPI
Number of links 3 2
Data rate 96,000 MB/s 57,600 MB/s
Transfer rate 8,000 MT/s 7,200 MT/s
Clock speed 4,000 MHz 3,600 MHz

details

Xeon E7-8893 v2  vs
E5-2620 
Architecture x86-64 x86-64
Threads 12 12
L2 cache 1.5 MB 2 MB
L2 cache per core 0.25 MB/core 0.33 MB/core
L3 cache 37.5 MB 15 MB
L3 cache per core 6.25 MB/core 2.5 MB/core
Manufacture process 22 nm 32 nm
Max CPUs 8 2
Clock multiplier 34 25
Operating temperature Unknown - 77°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
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
DDR3-800
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 E7-8893 v2
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Intel Xeon E5-2620
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