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Differences What are the advantages of each

Front view of Intel Xeon E5 2648L v2

Reasons to consider the
Intel Xeon E5 2648L v2

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Much more l3 cache 25 MB vs 15 MB More than 65% more l3 cache; more data can be stored in the l3 cache for quick access later
Much more l2 cache 2.5 MB vs 1.5 MB More than 65% more l2 cache; more data can be stored in the l2 cache for quick access later
Much higher Maximum operating temperature 92 °C vs 63 °C More than 45% higher Maximum operating temperature
More threads 20 vs 12 8 more threads
Front view of Intel Xeon E5 2630L v2

Reasons to consider the
Intel Xeon E5 2630L v2

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Much higher clock speed 2.4 GHz vs 1.9 GHz More than 25% higher clock speed
Higher turbo clock speed 2.8 GHz vs 2.5 GHz More than 10% higher turbo clock speed
Much better overclocked clock speed (Air) 2.4 GHz vs 1.9 GHz More than 25% better overclocked clock speed (Air)
Lower typical power consumption 48.75W vs 56.88W Around 15% lower typical power consumption
Much better overclocked clock speed (Water) 2.4 GHz vs 1.9 GHz More than 25% better overclocked clock speed (Water)
Lower annual commercial energy cost 52.56 $/year vs 61.32 $/year Around 15% lower annual commercial energy cost
Lower annual home energy cost 14.45 $/year vs 16.86 $/year Around 15% lower annual home energy cost

Features Key features of the Xeon E5 2648L v2  vs 2630L v2 

clock speed

turbo clock speed

L2 cache

L3 cache

overclocked clock speed (air)

overclocked clock speed (water)

Specifications Full list of technical specs

summary

Xeon E5 2648L v2  vs
2630L v2 
Clock speed 1.9 GHz 2.4 GHz
Turbo clock speed 2.5 GHz 2.8 GHz
Cores Deca core Hexa core
Socket type
LGA 2011
Is unlocked No No

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 70W 60W
Annual home energy cost 16.86 $/year 14.45 $/year
Annual commercial energy cost 61.32 $/year 52.56 $/year
Typical power consumption 56.88W 48.75W

bus

Architecture QPI QPI
Number of links 2 2
Data rate 64,000 MB/s 57,600 MB/s
Transfer rate 8,000 MT/s 7,200 MT/s
Clock speed 4,000 MHz 3,600 MHz

details

Xeon E5 2648L v2  vs
2630L v2 
Architecture x86-64 x86-64
Threads 20 12
L2 cache 2.5 MB 1.5 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 25 MB 15 MB
L3 cache per core 2.5 MB/core 2.5 MB/core
Manufacture process 22 nm 22 nm
Max CPUs 2 2
Clock multiplier 19 24
Operating temperature Unknown - 92°C Unknown - 63°C

overclocking

Overclocked clock speed 1.9 GHz 2.4 GHz
Overclocked clock speed (Water) 1.9 GHz 2.4 GHz
Overclocked clock speed (Air) 1.9 GHz 2.4 GHz

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
Channels Quad Channel Quad Channel
Supports ECC No No
Maximum bandwidth 25,600 MB/s 25,600 MB/s
Maximum memory size 786,432 MB 786,432 MB
Intel Xeon E5 2648L v2
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Intel Xeon E5 2630L v2
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