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Differences What are the advantages of each

Front view of Intel Xeon L5215

Reasons to consider the
Intel Xeon L5215

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Much more l2 cache 6 MB vs 1 MB 6x more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l2 cache per core 3 MB/core vs 0.5 MB/core 6x more l2 cache per core
Higher clock speed 1.86 GHz vs 1.5 GHz Around 25% higher clock speed
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Better overclocked clock speed (Air) 1.87 GHz vs 1.5 GHz Around 25% better overclocked clock speed (Air)
Better overclocked clock speed (Water) 1.87 GHz vs 1.5 GHz Around 25% better overclocked clock speed (Water)
Front view of Intel Core i7 4550U

Reasons to consider the
Intel Core i7 4550U

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Much newer manufacturing process 22 nm vs 45 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
Significantly higher Maximum operating temperature 100 °C vs 75 °C Around 35% higher Maximum operating temperature
Newer Jul, 2013 vs Jul, 2008 Release date over 5 years later
More threads 4 vs 2 Twice as many threads
Slightly lower typical power consumption 12.19W vs 16.25W 25% lower typical power consumption
Slightly lower annual home energy cost 3.61 $/year vs 4.82 $/year Around 25% lower annual home energy cost
Slightly lower annual commercial energy cost 13.14 $/year vs 17.52 $/year Around 25% lower annual commercial energy cost

Features Key features of the Xeon L5215  vs Core i7 4550U 

clock speed

Xeon L5215
1.86 GHz
Core i7 4550U
1.5 GHz

L2 cache

overclocked clock speed (air)

Xeon L5215
1.87 GHz
Core i7 4550U
1.5 GHz

overclocked clock speed (water)

Xeon L5215
1.87 GHz
Core i7 4550U
1.5 GHz

Specifications Full list of technical specs

summary

Xeon L5215  vs
Core i7 4550U 
Clock speed 1.86 GHz 1.5 GHz
Cores Dual core Dual core

features

Has a NX bit Yes Yes
Supports trusted computing No 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 20W 15W
Annual home energy cost 4.82 $/year 3.61 $/year
Annual commercial energy cost 17.52 $/year 13.14 $/year
Typical power consumption 16.25W 12.19W

details

Xeon L5215  vs
Core i7 4550U 
Architecture x86-64 x86-64
Threads 2 4
L2 cache 6 MB 1 MB
L2 cache per core 3 MB/core 0.5 MB/core
Manufacture process 45 nm 22 nm
Max CPUs 2 1
Operating temperature Unknown - 75°C Unknown - 100°C

overclocking

Overclocked clock speed 1.87 GHz 1.5 GHz
Overclocked clock speed (Water) 1.87 GHz 1.5 GHz
Overclocked clock speed (Air) 1.87 GHz 1.5 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics 5000
Number of displays supported N/A 3
GPU clock speed N/A 200 MHz
Turbo clock speed N/A 1,100 MHz

bus

Architecture FSB DMI 2.0
Number of links 1 1
Intel Xeon L5215
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Intel Core i7 4550U
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