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Differences What are the advantages of each

Front view of Intel Xeon E3-1260L

Reasons to consider the
Intel Xeon E3-1260L

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Higher clock speed 2.4 GHz vs 1.9 GHz More than 25% higher clock speed
Much better turbo clock speed 1,250 MHz vs 1,000 MHz 25% better turbo clock speed
Front view of Intel E3-1558LV5

Reasons to consider the
Intel E3-1558LV5

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Much newer manufacturing process 14 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Newer Apr, 2016 vs Apr, 2011 Release date over 5 years later

Features Key features of the Xeon E3-1260L  vs E3-1558LV5 

clock speed

Xeon E3-1260L
2.4 GHz
E3-1558LV5
1.9 GHz

turbo clock speed

Xeon E3-1260L
3.3 GHz
E3-1558LV5
3.3 GHz

gpu clock speed

Xeon E3-1260L
650 MHz
E3-1558LV5
650 MHz

Specifications Full list of technical specs

summary

Xeon E3-1260L  vs
E3-1558LV5 
Clock speed 2.4 GHz 1.9 GHz
Turbo clock speed 3.3 GHz 3.3 GHz
Cores Quad core Quad 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
AVX 2.0
Supports dynamic frequency scaling Yes Yes

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3
Channels Dual Channel Dual Channel
Supports ECC Yes Yes
Maximum bandwidth 21,333.32 MB/s 12,800 MB/s
Maximum memory size 32,768 MB 65,536 MB

details

Xeon E3-1260L  vs
E3-1558LV5 
Architecture x86-64 x86-64
Threads 8 8
Manufacture process 32 nm 14 nm
Max CPUs 1 1

integrated graphics

GPU GPU GPU
Label HD Graphics 2000 Intel® Iris Pro Graphics P555
GPU clock speed 650 MHz 650 MHz
Turbo clock speed 1,250 MHz 1,000 MHz

power consumption

TDP 45W 45W
Annual home energy cost 10.84 $/year 10.84 $/year
Annual commercial energy cost 39.42 $/year 39.42 $/year
Typical power consumption 36.56W 36.56W

bus

Architecture DMI FSB
Number of links 1 0
Transfer rate 5,000 MT/s 8,000 MT/s
Intel Xeon E3-1260L
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Intel E3-1558LV5
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