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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 20 MB 25% more l3 cache; more data can be stored in the l3 cache for quick access later
More l2 cache 2.5 MB vs 2 MB 25% more l2 cache; more data can be stored in the l2 cache for quick access later
More threads 20 vs 16 4 more threads
Higher turbo clock speed 2.5 GHz vs 2.4 GHz Around 5% higher turbo clock speed
Front view of Intel Xeon E5 2628L v2

Reasons to consider the
Intel Xeon E5 2628L v2

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CPUBoss is not aware of any important advantages of the 2628L v2 vs the 2648L v2.

Features Key features of the Xeon E5 2648L v2  vs 2628L 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
2628L v2 
Clock speed 1.9 GHz 1.9 GHz
Turbo clock speed 2.5 GHz 2.4 GHz
Cores Deca core Octa 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 70W
Annual home energy cost 16.86 $/year 16.86 $/year
Annual commercial energy cost 61.32 $/year 61.32 $/year
Typical power consumption 56.88W 56.88W

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
2628L v2 
Architecture x86-64 x86-64
Threads 20 16
L2 cache 2.5 MB 2 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 25 MB 20 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 19
Operating temperature Unknown - 92°C Unknown - 92°C

overclocking

Overclocked clock speed 1.9 GHz 1.9 GHz
Overclocked clock speed (Water) 1.9 GHz 1.9 GHz
Overclocked clock speed (Air) 1.9 GHz 1.9 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 2628L v2
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