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Differences What are the advantages of each

Front view of Intel Xeon E7-4850

Reasons to consider the
Intel Xeon E7-4850

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Supports more RAM 2,097,152 MB vs 393,216 MB Supports more than 5.2x more RAM
Much more l2 cache 3 MB vs 2 MB 50% more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l3 cache 24 MB vs 20 MB 20% more l3 cache; more data can be stored in the l3 cache for quick access later
Significantly higher clock speed 2 GHz vs 1.8 GHz More than 10% higher clock speed
More threads 20 vs 16 4 more threads
Higher turbo clock speed 2.4 GHz vs 2.3 GHz Around 5% higher turbo clock speed
Supports more CPUs in SMP configuration 4 vs 2 Twice as many CPUs in SMP configuration
More l2 cache per core 0.3 MB/core vs 0.25 MB/core Around 20% more l2 cache per core
Front view of Intel Xeon E5-2450L

Reasons to consider the
Intel Xeon E5-2450L

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Much lower typical power consumption 56.88W vs 105.63W More than 45% lower typical power consumption
Much lower annual commercial energy cost 61.32 $/year vs 113.88 $/year More than 45% lower annual commercial energy cost
Much lower annual home energy cost 16.86 $/year vs 31.32 $/year More than 45% lower annual home energy cost
Newer May, 2012 vs Apr, 2011 Release date over 1 years later

Features Key features of the Xeon E7-4850  vs E5-2450L 

clock speed

Xeon E7-4850
2 GHz
Xeon E5-2450L
1.8 GHz

turbo clock speed

Xeon E7-4850
2.4 GHz
Xeon E5-2450L
2.3 GHz

L2 cache

L3 cache

Specifications Full list of technical specs

summary

Xeon E7-4850  vs
E5-2450L 
Clock speed 2 GHz 1.8 GHz
Turbo clock speed 2.4 GHz 2.3 GHz
Cores Deca core Octa 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 130W 70W
Annual home energy cost 31.32 $/year 16.86 $/year
Annual commercial energy cost 113.88 $/year 61.32 $/year
Typical power consumption 105.63W 56.88W

bus

Architecture QPI QPI
Number of links 1 1
Data rate 25,600 MB/s 32,000 MB/s
Transfer rate 6,400 MT/s 8,000 MT/s
Clock speed 3,200 MHz 4,000 MHz

details

Xeon E7-4850  vs
E5-2450L 
Architecture x86-64 x86-64
Threads 20 16
L2 cache 3 MB 2 MB
L2 cache per core 0.3 MB/core 0.25 MB/core
L3 cache 24 MB 20 MB
L3 cache per core 2.4 MB/core 2.5 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 4 2

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

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
DDR3-800
DDR
Channels Quad Channel Triple Channel
Supports ECC Yes Yes
Maximum bandwidth 25,600 MB/s 38,400 MB/s
Maximum memory size 2,097,152 MB 393,216 MB
Intel Xeon E7-4850
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Intel Xeon E5-2450L
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