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Differences What are the advantages of each

Front view of Intel Xeon LC5518

Reasons to consider the
Intel Xeon LC5518

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More l3 cache 8 MB vs 4 MB 2x more l3 cache; more data can be stored in the l3 cache for quick access later
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
More cores 4 vs 2 Twice as many cores; run more applications at once
More threads 8 vs 4 Twice as many threads
Front view of Intel Core i7 2620M

Reasons to consider the
Intel Core i7 2620M

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Significantly higher turbo clock speed 3.4 GHz vs 2.13 GHz Around 60% higher turbo clock speed
Significantly higher clock speed 2.7 GHz vs 1.73 GHz More than 55% higher clock speed
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly higher Maximum operating temperature 100 °C vs 77.5 °C Around 30% higher Maximum operating temperature
Lower typical power consumption 28.44W vs 39W More than 25% lower typical power consumption
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Newer Feb, 2011 vs Feb, 2010 Release date over a year later
Lower annual home energy cost 8.43 $/year vs 11.56 $/year More than 25% lower annual home energy cost
Lower annual commercial energy cost 30.66 $/year vs 42.05 $/year More than 25% lower annual commercial energy cost

Features Key features of the Xeon LC5518  vs Core i7 2620M 

clock speed

Xeon LC5518
1.73 GHz
Core i7 2620M
2.7 GHz

turbo clock speed

Xeon LC5518
2.13 GHz
Core i7 2620M
3.4 GHz

L2 cache

L3 cache

Specifications Full list of technical specs

summary

Xeon LC5518  vs
Core i7 2620M 
Clock speed 1.73 GHz 2.7 GHz
Turbo clock speed 2.13 GHz 3.4 GHz
Cores Quad core Dual core
Socket type
LGA 1366
rPGA 988B

features

Has a NX bit 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

memory controller

Memory controller Built-in Built-in
Channels Triple Channel Dual Channel
Supports ECC Yes No

bus

Architecture QPI DMI
Number of links 1 1
Transfer rate 4,800 MT/s 5,000 MT/s

details

Xeon LC5518  vs
Core i7 2620M 
Architecture x86-64 x86-64
Threads 8 4
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
L3 cache 8 MB 4 MB
L3 cache per core 2 MB/core 2 MB/core
Manufacture process 45 nm 32 nm
Max CPUs 2 1
Operating temperature Unknown - 77.5°C Unknown - 100°C

integrated graphics

GPU None GPU
Label N/A HD 3000
Number of displays supported N/A 2
GPU clock speed N/A 650 MHz
Turbo clock speed N/A 1,300 MHz

power consumption

TDP 48W 35W
Annual home energy cost 11.56 $/year 8.43 $/year
Annual commercial energy cost 42.05 $/year 30.66 $/year
Typical power consumption 39W 28.44W
Intel Xeon LC5518
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Intel Core i7 2620M
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