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Differences What are the advantages of each

Front view of Intel Xeon L5248

Reasons to consider the
Intel Xeon L5248

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Much more l2 cache 6 MB vs 2 MB 3x 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 0.33 MB/core 9x more l2 cache per core
Much lower typical power consumption 44.69W vs 121.88W 2.7x lower typical power consumption
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Much lower annual commercial energy cost 48.18 $/year vs 131.4 $/year 2.7x lower annual commercial energy cost
Much lower annual home energy cost 13.25 $/year vs 36.13 $/year 2.7x lower annual home energy cost
Front view of Intel Core i7 3970X

Reasons to consider the
Intel Core i7 3970X

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Higher clock speed 3.5 GHz vs 3 GHz More than 15% higher clock speed
Much newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More threads 12 vs 2 10 more threads
More cores 6 vs 2 Three times as many cores; run more applications at once
Much better overclocked clock speed (Air) 4.57 GHz vs 3 GHz More than 50% better overclocked clock speed (Air)
Newer Nov, 2012 vs Sep, 2008 Release date over 4 years later
Much better overclocked clock speed (Water) 4.44 GHz vs 3 GHz Around 50% better overclocked clock speed (Water)

Features Key features of the Xeon L5248  vs Core i7 3970X 

clock speed

Xeon L5248
3 GHz
Core i7 3970X
3.5 GHz

L2 cache

overclocked clock speed (air)

Xeon L5248
3 GHz
Core i7 3970X
4.57 GHz

overclocked clock speed (water)

Xeon L5248
3 GHz
Core i7 3970X
4.44 GHz

TDP

Specifications Full list of technical specs

summary

Xeon L5248  vs
Core i7 3970X 
Clock speed 3 GHz 3.5 GHz
Cores Dual core Hexa core
Socket type
LGA 771
LGA 2011

features

Has a NX bit 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 55W 150W
Annual home energy cost 13.25 $/year 36.13 $/year
Annual commercial energy cost 48.18 $/year 131.4 $/year
Typical power consumption 44.69W 121.88W

details

Xeon L5248  vs
Core i7 3970X 
Architecture x86-64 x86-64
Threads 2 12
L2 cache 6 MB 2 MB
L2 cache per core 3 MB/core 0.33 MB/core
Manufacture process 45 nm 32 nm
Max CPUs 2 1
Voltage range 0.85 - 1.35V 0.6 - 1.35V

overclocking

Overclocked clock speed 3 GHz 4.57 GHz
Overclocked clock speed (Water) 3 GHz 4.44 GHz
Overclocked clock speed (Air) 3 GHz 4.57 GHz

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

bus

Architecture FSB DMI 2.0
Number of links 1 1
Intel Xeon L5248
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Intel Core i7 3970X
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