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Differences What are the advantages of each

Front view of Intel E5-2650LV4

Reasons to consider the
Intel E5-2650LV4

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Higher clock speed 1.7 GHz vs 1.3 GHz More than 30% higher clock speed
Higher turbo clock speed 2.5 GHz vs 2.1 GHz Around 20% higher turbo clock speed
Supports more RAM 1,572,864 MB vs 131,072 MB Supports 12x more RAM
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Front view of Intel D-1577

Reasons to consider the
Intel D-1577

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Lower typical power consumption 36.56W vs 52.81W More than 30% lower typical power consumption
More cores 16 vs 14 2 more cores; run more applications at once
More threads 32 vs 28 4 more threads
Lower annual home energy cost 10.84 $/year vs 15.66 $/year More than 30% lower annual home energy cost
Lower annual commercial energy cost 39.42 $/year vs 56.94 $/year More than 30% lower annual commercial energy cost

Features Key features of the E5-2650LV4  vs D-1577 

clock speed

1.7 GHz
1.3 GHz

turbo clock speed

2.5 GHz
2.1 GHz



Specifications Full list of technical specs


E5-2650LV4  vs
Clock speed 1.7 GHz 1.3 GHz
Turbo clock speed 2.5 GHz 2.1 GHz
Cores Processing Cores 16 core


Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
AVX 2.0
Supports dynamic frequency scaling Yes Yes

memory controller

Memory controller Built-in Built-in
Channels Quad Channel Dual Channel
Supports ECC Yes Yes
Maximum memory size 1,572,864 MB 131,072 MB


E5-2650LV4  vs
Architecture x86-64 x86-64
Threads 28 32
Manufacture process 14 nm 14 nm
Max CPUs 2 1

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

power consumption

TDP 65W 45W
Annual home energy cost 15.66 $/year 10.84 $/year
Annual commercial energy cost 56.94 $/year 39.42 $/year
Typical power consumption 52.81W 36.56W


Architecture QPI FSB
Number of links 2 1
Intel E5-2650LV4
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Intel D-1577
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