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Differences What are the advantages of each

Front view of Intel E5-2648LV4

Reasons to consider the
Intel E5-2648LV4

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Significantly more l3 cache 35 MB vs 25 MB 40% more l3 cache; more data can be stored in the l3 cache for quick access later
More cores 14 vs 10 4 more cores; run more applications at once
More threads 28 vs 20 8 more threads
Lower typical power consumption 60.94W vs 73.13W More than 15% lower typical power consumption
Higher Maximum operating temperature 87 °C vs 76 °C Around 15% higher Maximum operating temperature
Lower annual home energy cost 18.07 $/year vs 21.68 $/year More than 15% lower annual home energy cost
Lower annual commercial energy cost 65.7 $/year vs 78.84 $/year More than 15% lower annual commercial energy cost
Front view of Intel E5-2640V4

Reasons to consider the
Intel E5-2640V4

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Significantly higher turbo clock speed 3.4 GHz vs 2.5 GHz More than 35% higher turbo clock speed
Higher clock speed 2.4 GHz vs 1.8 GHz Around 35% higher clock speed

Features Key features of the E5-2648LV4  vs E5-2640V4 

clock speed

1.8 GHz
2.4 GHz

turbo clock speed

2.5 GHz
3.4 GHz

L3 cache

35 MB
25 MB


Specifications Full list of technical specs


E5-2648LV4  vs
Clock speed 1.8 GHz 2.4 GHz
Turbo clock speed 2.5 GHz 3.4 GHz
Cores Processing Cores Deca 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 Quad Channel
Supports ECC Yes Yes
Maximum memory size 1,572,864 MB 1,572,864 MB


E5-2648LV4  vs
Architecture x86-64 x86-64
Threads 28 20
L3 cache 35 MB 25 MB
L3 cache per core 2.5 MB/core 2.5 MB/core
Manufacture process 14 nm 14 nm
Max CPUs 2 2
Operating temperature Unknown - 87°C Unknown - 76°C

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 75W 90W
Annual home energy cost 18.07 $/year 21.68 $/year
Annual commercial energy cost 65.7 $/year 78.84 $/year
Typical power consumption 60.94W 73.13W


Architecture QPI QPI
Number of links 2 2
Data rate 76,800 MB/s 64,000 MB/s
Transfer rate 9,600 MT/s 8,000 MT/s
Clock speed 4,800 MHz 4,000 MHz
Intel E5-2648LV4
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Intel E5-2640V4
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