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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 l2 cache 2.5 MB vs 1 MB 2.5x more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l3 cache 25 MB vs 6 MB Around 4.2x more l3 cache; more data can be stored in the l3 cache for quick access later
Much newer manufacturing process 22 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More cores 10 vs 4 6 more cores; run more applications at once
More threads 20 vs 8 12 more threads
Slightly higher clock speed 1.9 GHz vs 1.73 GHz Around 10% higher clock speed
Supports more RAM 786,432 MB vs 8,192 MB Supports 96x more RAM
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Significantly more l3 cache per core 2.5 MB/core vs 1.5 MB/core More than 65% more l3 cache per core
Newer Jul, 2013 vs Jun, 2010 Release date over 3 years later
Front view of Intel Core i7 740QM

Reasons to consider the
Intel Core i7 740QM

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Higher turbo clock speed 2.93 GHz vs 2.5 GHz More than 15% higher turbo clock speed
Significantly lower typical power consumption 36.56W vs 56.88W More than 35% lower typical power consumption
Significantly better overclocked clock speed (Air) 2.74 GHz vs 1.9 GHz Around 45% better overclocked clock speed (Air)
Significantly lower annual home energy cost 10.84 $/year vs 16.86 $/year More than 35% lower annual home energy cost
Significantly lower annual commercial energy cost 39.42 $/year vs 61.32 $/year More than 35% lower annual commercial energy cost

Features Key features of the Xeon E5 2648L v2  vs Core i7 740QM 

clock speed

Core i7 740QM
1.73 GHz

turbo clock speed

Core i7 740QM
2.93 GHz

L2 cache

L3 cache

overclocked clock speed (air)

Core i7 740QM
2.74 GHz

overclocked clock speed (water)

Core i7 740QM
1.73 GHz

Specifications Full list of technical specs

summary

Xeon E5 2648L v2  vs
Core i7 740QM 
Clock speed 1.9 GHz 1.73 GHz
Turbo clock speed 2.5 GHz 2.93 GHz
Cores Deca core Quad core
Socket type
LGA 2011
rPGA 988A
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 45W
Annual home energy cost 16.86 $/year 10.84 $/year
Annual commercial energy cost 61.32 $/year 39.42 $/year
Typical power consumption 56.88W 36.56W

bus

Architecture QPI DMI
Number of links 2 1
Transfer rate 8,000 MT/s 2,500 MT/s

details

Xeon E5 2648L v2  vs
Core i7 740QM 
Architecture x86-64 x86-64
Threads 20 8
L2 cache 2.5 MB 1 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 25 MB 6 MB
L3 cache per core 2.5 MB/core 1.5 MB/core
Manufacture process 22 nm 45 nm
Max CPUs 2 1
Clock multiplier 19 13

overclocking

Overclocked clock speed 1.9 GHz 2.74 GHz
Overclocked clock speed (Water) 1.9 GHz 1.73 GHz
Overclocked clock speed (Air) 1.9 GHz 2.74 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
DDR3-1333
DDR3-1066
DDR3
Channels Quad Channel Dual Channel
Supports ECC No No
Maximum bandwidth 25,600 MB/s 21,333.32 MB/s
Maximum memory size 786,432 MB 8,192 MB
Intel Xeon E5 2648L v2
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Intel Core i7 740QM
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