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Differences What are the advantages of each

Front view of Intel Xeon Phi 7120P

Reasons to consider the
Intel Xeon Phi 7120P

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CPUBoss is not aware of any important advantages of the 7120P vs the 7120D.

Front view of Intel Xeon Phi 7120D

Reasons to consider the
Intel Xeon Phi 7120D

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Supports dynamic frequency scaling Yes vs No Somewhat common; Allows for maximum performance when needed, while conserving power and minimizing heat production when not needed
Significantly lower typical power consumption 219.38W vs 243.75W 10% lower typical power consumption
Significantly lower annual commercial energy cost 236.52 $/year vs 262.8 $/year 10% lower annual commercial energy cost
Significantly lower annual home energy cost 65.04 $/year vs 72.27 $/year Around 10% lower annual home energy cost
Newer Jan, 2014 vs Jun, 2013 Release date 7 months later

Features Key features of the Xeon Phi 7120P  vs 7120D 

clock speed

Xeon Phi 7120P
1.24 GHz
Xeon Phi 7120D
1.24 GHz

turbo clock speed

Xeon Phi 7120P
1.33 GHz
Xeon Phi 7120D
1.33 GHz

L2 cache

Xeon Phi 7120P
30.5 MB
Xeon Phi 7120D
30.5 MB

overclocked clock speed (air)

Xeon Phi 7120P
1.24 GHz
Xeon Phi 7120D
1.24 GHz

overclocked clock speed (water)

Xeon Phi 7120P
1.24 GHz
Xeon Phi 7120D
1.24 GHz

Specifications Full list of technical specs

summary

Xeon Phi 7120P  vs
7120D 
Clock speed 1.24 GHz 1.24 GHz
Turbo clock speed 1.33 GHz 1.33 GHz
Cores 61 cores 61 cores
Socket type
PCI Express x16
PCI Express x24
Is unlocked No No

features

Has a NX bit Yes Yes
Supports trusted computing No No
Has virtualization support No No
Instruction set extensions
FMA3
Supports dynamic frequency scaling No Yes

power consumption

TDP 300W 270W
Annual home energy cost 72.27 $/year 65.04 $/year
Annual commercial energy cost 262.8 $/year 236.52 $/year
Typical power consumption 243.75W 219.38W

details

Xeon Phi 7120P  vs
7120D 
Architecture x86-64 x86-64
Threads 244 244
L2 cache 30.5 MB 30.5 MB
Manufacture process 22 nm 22 nm
Max CPUs 8 8

overclocking

Overclocked clock speed 1.24 GHz 1.24 GHz
Overclocked clock speed (Water) 1.24 GHz 1.24 GHz
Overclocked clock speed (Air) 1.24 GHz 1.24 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
GDDR5
Channels Dual Channel Dual Channel
Supports ECC Yes Yes
Intel Xeon Phi 7120P
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Intel Xeon Phi 7120D
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