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Differences What are the advantages of each

Front view of Intel Xeon E7-4880 v2

Reasons to consider the
Intel Xeon E7-4880 v2

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Much more l3 cache 37.5 MB vs 20 MB Around 90% more l3 cache; more data can be stored in the l3 cache for quick access later
Much more l2 cache 3.5 MB vs 2 MB 75% more l2 cache; more data can be stored in the l2 cache for quick access later
Supports more RAM 1,572,864 MB vs 786,432 MB Supports 2x more RAM
More threads 30 vs 16 14 more threads
Supports more CPUs in SMP configuration 4 vs 2 Twice as many CPUs in SMP configuration
Front view of Intel Xeon E5 2650 v2

Reasons to consider the
Intel Xeon E5 2650 v2

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Higher turbo clock speed 3.4 GHz vs 3.1 GHz Around 10% higher turbo clock speed
Higher clock speed 2.6 GHz vs 2.5 GHz Around 5% higher clock speed
Significantly lower typical power consumption 77.19W vs 105.63W More than 25% lower typical power consumption
Significantly lower annual commercial energy cost 83.22 $/year vs 113.88 $/year More than 25% lower annual commercial energy cost
Significantly lower annual home energy cost 22.89 $/year vs 31.32 $/year More than 25% lower annual home energy cost

Features Key features of the Xeon E7-4880 v2  vs E5 2650 v2 

clock speed

turbo clock speed

L2 cache

L3 cache

Specifications Full list of technical specs

summary

Xeon E7-4880 v2  vs
E5 2650 v2 
Clock speed 2.5 GHz 2.6 GHz
Turbo clock speed 3.1 GHz 3.4 GHz
Cores Pentadeca 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 130W 95W
Annual home energy cost 31.32 $/year 22.89 $/year
Annual commercial energy cost 113.88 $/year 83.22 $/year
Typical power consumption 105.63W 77.19W

bus

Architecture QPI QPI
Number of links 3 2
Data rate 96,000 MB/s 64,000 MB/s
Transfer rate 8,000 MT/s 8,000 MT/s
Clock speed 4,000 MHz 4,000 MHz

details

Xeon E7-4880 v2  vs
E5 2650 v2 
Architecture x86-64 x86-64
Threads 30 16
L2 cache 3.5 MB 2 MB
L2 cache per core 0.23 MB/core 0.25 MB/core
L3 cache 37.5 MB 20 MB
L3 cache per core 2.5 MB/core 2.5 MB/core
Manufacture process 22 nm 22 nm
Max CPUs 4 2
Clock multiplier 25 26
Operating temperature Unknown - 73°C Unknown - 75°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

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1866
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
Channels Quad Channel Quad Channel
Supports ECC Yes Yes
Maximum bandwidth 51,200 MB/s 59,733.32 MB/s
Maximum memory size 1,572,864 MB 786,432 MB
Intel Xeon E7-4880 v2
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Intel Xeon E5 2650 v2
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