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Differences What are the advantages of each

Front view of Intel Xeon L5638

Reasons to consider the
Intel Xeon L5638

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Significantly more l3 cache 12 MB vs 3 MB 4x more l3 cache; more data can be stored in the l3 cache for quick access later
More cores 6 vs 2 Three times as many cores; run more applications at once
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
More threads 12 vs 4 Three times as many threads
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Significantly better performance per watt 8.43 pt/W vs 4.51 pt/W More than 85% better performance per watt
Significantly higher Maximum operating temperature 85 °C vs 65 °C More than 30% higher Maximum operating temperature
More l3 cache per core 2 MB/core vs 1.5 MB/core Around 35% more l3 cache per core
Front view of Intel Core i3 6100

Reasons to consider the
Intel Core i3 6100

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Much higher clock speed 3.7 GHz vs 2 GHz More than 85% higher clock speed
Much newer manufacturing process 14 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much better performance per dollar 1.84 pt/$ vs 0.88 pt/$ More than 2x better performance per dollar
Much better PassMark (Single core) score 2,106 vs 942 Around 2.2x better PassMark (Single core) score
Much better overclocked clock speed (Air) 4.25 GHz vs 2 GHz More than 2x better overclocked clock speed (Air)
Newer Jul, 2015 vs Mar, 2010 Release date over 5 years later
Lower typical power consumption 41.44W vs 48.75W 15% lower typical power consumption
Much better overclocked clock speed (Water) 4.39 GHz vs 3.03 GHz More than 45% better overclocked clock speed (Water)
Lower annual home energy cost 12.29 $/year vs 14.45 $/year More than 15% lower annual home energy cost
Lower annual commercial energy cost 44.68 $/year vs 52.56 $/year 15% lower annual commercial energy cost

Benchmarks Real world tests of Xeon L5638 vs Core i3 6100

PassMark Data courtesy Passmark

Xeon L5638
5,556
Core i3 6100
5,478

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon L5638  vs
Core i3 6100 
Clock speed 2 GHz 3.7 GHz
Cores Hexa core Dual core

features

Has a NX bit Yes Yes
Supports trusted computing Yes No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 60W 51W
Annual home energy cost 14.45 $/year 12.29 $/year
Annual commercial energy cost 52.56 $/year 44.68 $/year
Performance per watt 8.43 pt/W 4.51 pt/W
Typical power consumption 48.75W 41.44W

details

Xeon L5638  vs
Core i3 6100 
Threads 12 4
L3 cache 12 MB 3 MB
L3 cache per core 2 MB/core 1.5 MB/core
Manufacture process 32 nm 14 nm
Max CPUs 2 1
Operating temperature Unknown - 85°C Unknown - 65°C

overclocking

Overclocked clock speed 2 GHz 4.25 GHz
Overclocked clock speed (Water) 3.03 GHz 4.39 GHz
Overclocked clock speed (Air) 2 GHz 4.25 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics 530
Number of displays supported N/A 3
GPU clock speed N/A 350 MHz
Turbo clock speed N/A 1,050 MHz

bus

Architecture QPI FSB
Number of links 2 1
Transfer rate 5,860 MT/s 8,000 MT/s
Intel Xeon L5638
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Intel Core i3 6100
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