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Differences What are the advantages of each

Front view of Intel Xeon E5-1428L v2

Reasons to consider the
Intel Xeon E5-1428L v2

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Much more l3 cache 15 MB vs 8 MB Around 90% more l3 cache; more data can be stored in the l3 cache for quick access later
More cores 6 vs 4 2 more cores; run more applications at once
More threads 12 vs 4 Three times as many threads
Supports more RAM 393,216 MB vs 33,556.48 MB Supports around 11.8x more RAM
Lower typical power consumption 48.75W vs 62.56W More than 20% lower typical power consumption
More l3 cache per core 2.5 MB/core vs 2 MB/core 25% more l3 cache per core
Newer Jan, 2014 vs May, 2012 Release date over 1 years later
Lower annual commercial energy cost 52.56 $/year vs 67.45 $/year More than 20% lower annual commercial energy cost
Lower annual home energy cost 14.45 $/year vs 18.55 $/year More than 20% lower annual home energy cost
Front view of Intel Xeon E3-1225 v2

Reasons to consider the
Intel Xeon E3-1225 v2

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Much higher clock speed 3.2 GHz vs 2.2 GHz More than 45% higher clock speed
Much higher turbo clock speed 3.6 GHz vs 2.7 GHz Around 35% higher turbo clock speed
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much better overclocked clock speed (Air) 3.2 GHz vs 2.2 GHz More than 45% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 3.2 GHz vs 2.2 GHz More than 45% better overclocked clock speed (Water)

Features Key features of the Xeon E5-1428L v2  vs E3-1225 v2 

clock speed

turbo clock speed

L3 cache

overclocked clock speed (air)

overclocked clock speed (water)

Specifications Full list of technical specs

summary

Xeon E5-1428L v2  vs
E3-1225 v2 
Clock speed 2.2 GHz 3.2 GHz
Turbo clock speed 2.7 GHz 3.6 GHz
Cores Hexa core Quad core

features

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

power consumption

TDP 60W 77W
Annual home energy cost 14.45 $/year 18.55 $/year
Annual commercial energy cost 52.56 $/year 67.45 $/year
Typical power consumption 48.75W 62.56W

bus

Architecture FSB DMI
Number of links 1 1
Transfer rate 0 MT/s 5,000 MT/s

details

Xeon E5-1428L v2  vs
E3-1225 v2 
Architecture x86-64 x86-64
Threads 12 4
L3 cache 15 MB 8 MB
L3 cache per core 2.5 MB/core 2 MB/core
Manufacture process 22 nm 22 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 2.2 GHz 3.2 GHz
Overclocked clock speed (Water) 2.2 GHz 3.2 GHz
Overclocked clock speed (Air) 2.2 GHz 3.2 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics P4000
Number of displays supported N/A 3
GPU clock speed N/A 650 MHz
Turbo clock speed N/A 1,250 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
DDR3-800
Channels Triple Channel Dual Channel
Supports ECC Yes Yes
Maximum bandwidth 38,400 MB/s 25,600 MB/s
Maximum memory size 393,216 MB 33,556.48 MB
Intel Xeon E5-1428L v2
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Intel Xeon E3-1225 v2
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