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Differences What are the advantages of each

Front view of Intel Xeon E5-2650

Reasons to consider the
Intel Xeon E5-2650

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Much more l3 cache 20 MB vs 15 MB Around 35% more l3 cache; more data can be stored in the l3 cache for quick access later
Much better performance per watt 6.61 pt/W vs 2.89 pt/W More than 2.2x better performance per watt
Higher turbo clock speed 2.8 GHz vs 2.5 GHz More than 10% higher turbo clock speed
More threads 16 vs 12 4 more threads
Front view of Intel Xeon E5-2430L

Reasons to consider the
Intel Xeon E5-2430L

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Significantly lower typical power consumption 48.75W vs 77.19W More than 35% lower typical power consumption
More l2 cache per core 0.33 MB/core vs 0.25 MB/core Around 35% more l2 cache per core
Significantly lower annual commercial energy cost 52.56 $/year vs 83.22 $/year More than 35% lower annual commercial energy cost
Significantly lower annual home energy cost 14.45 $/year vs 22.89 $/year More than 35% lower annual home energy cost

Benchmarks Real world tests of Xeon E5-2650 vs E5-2430L

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E5-2650  vs
E5-2430L 
Clock speed 2 GHz 2 GHz
Turbo clock speed 2.8 GHz 2.5 GHz
Cores Octa core Hexa core

features

Has a NX bit Yes Yes
Supports trusted computing 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

power consumption

TDP 95W 60W
Annual home energy cost 22.89 $/year 14.45 $/year
Annual commercial energy cost 83.22 $/year 52.56 $/year
Performance per watt 6.61 pt/W 2.89 pt/W
Typical power consumption 77.19W 48.75W

bus

Architecture QPI QPI
Number of links 2 1
Data rate 64,000 MB/s 28,800 MB/s
Transfer rate 8,000 MT/s 7,200 MT/s
Clock speed 4,000 MHz 3,600 MHz

details

Xeon E5-2650  vs
E5-2430L 
Architecture x86-64 x86-64
Threads 16 12
L2 cache 2 MB 2 MB
L2 cache per core 0.25 MB/core 0.33 MB/core
L3 cache 20 MB 15 MB
L3 cache per core 2.5 MB/core 2.5 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 2 2
Voltage range 0.6 - 1.35V 0.6 - 1.35V

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
Channels Quad Channel Triple Channel
Supports ECC Yes Yes
Maximum bandwidth 51,200 MB/s 31,999.98 MB/s
Maximum memory size 393,216 MB 393,216 MB
Intel Xeon E5-2650
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Intel Xeon E5-2430L
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