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Differences What are the advantages of each

Front view of Intel Xeon Phi 7120D

Reasons to consider the
Intel Xeon Phi 7120D

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Much more l2 cache 30.5 MB vs 2 MB 15.2x more l2 cache; more data can be stored in the l2 cache for quick access later
More threads 244 vs 16 228 more threads
Supports more CPUs in SMP configuration 8 vs 2 6 supports more CPUs in SMP configuration
Newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Newer Jan, 2014 vs Mar, 2012 Release date over 1 years later
Front view of Intel Xeon E5-2690

Reasons to consider the
Intel Xeon E5-2690

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Much higher clock speed 2.9 GHz vs 1.24 GHz More than 2.2x higher clock speed
Much higher turbo clock speed 3.8 GHz vs 1.33 GHz More than 2.8x higher turbo clock speed
Much better overclocked clock speed (Air) 3.53 GHz vs 1.24 GHz More than 2.8x better overclocked clock speed (Air)
Much lower typical power consumption 109.69W vs 219.38W 2x lower typical power consumption
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Much better overclocked clock speed (Water) 3.92 GHz vs 1.24 GHz Around 3.2x better overclocked clock speed (Water)
Much lower annual commercial energy cost 118.26 $/year vs 236.52 $/year 2x lower annual commercial energy cost
Much lower annual home energy cost 32.52 $/year vs 65.04 $/year 2x lower annual home energy cost

Features Key features of the Xeon Phi 7120D  vs E5-2690 

clock speed

Xeon Phi 7120D
1.24 GHz
Xeon E5-2690
2.9 GHz

turbo clock speed

Xeon Phi 7120D
1.33 GHz
Xeon E5-2690
3.8 GHz

L2 cache

overclocked clock speed (air)

Xeon Phi 7120D
1.24 GHz
Xeon E5-2690
3.53 GHz

overclocked clock speed (water)

Xeon Phi 7120D
1.24 GHz
Xeon E5-2690
3.92 GHz

Specifications Full list of technical specs

summary

Xeon Phi 7120D  vs
E5-2690 
Clock speed 1.24 GHz 2.9 GHz
Turbo clock speed 1.33 GHz 3.8 GHz
Cores 61 cores Octa core
Socket type
PCI Express x24
LGA 2011

features

Has a NX bit Yes Yes
Supports trusted computing No Yes
Has virtualization support No Yes
Instruction set extensions
SSE2
MMX
AVX
SSE3
SSE
SSE4.1
FMA3
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 270W 135W
Annual home energy cost 65.04 $/year 32.52 $/year
Annual commercial energy cost 236.52 $/year 118.26 $/year
Typical power consumption 219.38W 109.69W

details

Xeon Phi 7120D  vs
E5-2690 
Architecture x86-64 x86-64
Threads 244 16
L2 cache 30.5 MB 2 MB
Manufacture process 22 nm 32 nm
Max CPUs 8 2

overclocking

Overclocked clock speed 1.24 GHz 3.53 GHz
Overclocked clock speed (Water) 1.24 GHz 3.92 GHz
Overclocked clock speed (Air) 1.24 GHz 3.53 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
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
DDR3-800
GDDR5
Channels Dual Channel Quad Channel
Supports ECC Yes Yes
Intel Xeon Phi 7120D
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Intel Xeon E5-2690
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