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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 l2 cache 3.5 MB vs 1 MB 3.5x more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l3 cache 37.5 MB vs 8 MB Around 4.8x more l3 cache; more data can be stored in the l3 cache for quick access later
Supports more CPUs in SMP configuration 4 vs 1 3 supports more CPUs in SMP configuration
More cores 15 vs 4 11 more cores; run more applications at once
More threads 30 vs 8 22 more threads
Significantly newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Supports more RAM 1,572,864 MB vs 32,768 MB Supports 48x more RAM
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Newer Feb, 2014 vs Jan, 2011 Release date over 3 years later
Lower typical power consumption 105.63W vs 114.2W Around 10% lower typical power consumption
More l3 cache per core 2.5 MB/core vs 2 MB/core 25% more l3 cache per core
Much lower annual home energy cost 31.32 $/year vs 41.8 $/year More than 25% lower annual home energy cost
Front view of Intel Core i7 2600K

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Intel Core i7 2600K

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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Significantly higher clock speed 3.4 GHz vs 2.5 GHz More than 35% higher clock speed
Higher turbo clock speed 3.8 GHz vs 3.1 GHz Around 25% higher turbo clock speed
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required

Features Key features of the Xeon E7-4880 v2  vs Core i7 2600K 

clock speed

Xeon E7-4880 v2
2.5 GHz
Core i7 2600K
3.4 GHz

turbo clock speed

Xeon E7-4880 v2
3.1 GHz
Core i7 2600K
3.8 GHz

L2 cache

L3 cache

Specifications Full list of technical specs

summary

Xeon E7-4880 v2  vs
Core i7 2600K 
Clock speed 2.5 GHz 3.4 GHz
Turbo clock speed 3.1 GHz 3.8 GHz
Cores Pentadeca core Quad core
Socket type
LGA 2011
LGA 1155
Is unlocked No Yes

features

Has a NX bit Yes Yes
Supports trusted computing Yes No
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 41.8 $/year
Annual commercial energy cost 113.88 $/year 111.78 $/year
Typical power consumption 105.63W 114.2W

bus

Architecture QPI DMI
Number of links 3 1
Transfer rate 8,000 MT/s 5,000 MT/s

details

Xeon E7-4880 v2  vs
Core i7 2600K 
Architecture x86-64 x86-64
Threads 30 8
L2 cache 3.5 MB 1 MB
L2 cache per core 0.23 MB/core 0.25 MB/core
L3 cache 37.5 MB 8 MB
L3 cache per core 2.5 MB/core 2 MB/core
Manufacture process 22 nm 32 nm
Max CPUs 4 1
Clock multiplier 25 34
Operating temperature Unknown - 73°C Unknown - 72.6°C

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics 3000
Latest DirectX N/A 10.x
Number of displays supported N/A 2
GPU clock speed N/A 850 MHz
Turbo clock speed N/A 1,350 MHz
3DMark06 N/A 5,275

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
Channels Quad Channel Dual Channel
Supports ECC Yes No
Maximum bandwidth 51,200 MB/s 21,333.32 MB/s
Maximum memory size 1,572,864 MB 32,768 MB
Intel Xeon E7-4880 v2
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Intel Core i7 2600K
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