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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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Much more l2 cache 30.5 MB vs 28.5 MB More than 5% more l2 cache; more data can be stored in the l2 cache for quick access later
More threads 244 vs 228 16 more threads
Higher clock speed 1.24 GHz vs 1.1 GHz Around 15% higher clock speed
Better overclocked clock speed (Air) 1.24 GHz vs 1.1 GHz Around 15% better overclocked clock speed (Air)
Better overclocked clock speed (Water) 1.24 GHz vs 1.1 GHz Around 15% better overclocked clock speed (Water)
Front view of Intel Xeon Phi 3120A

Reasons to consider the
Intel Xeon Phi 3120A

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CPUBoss is not aware of any important advantages of the Xeon Phi 3120A vs the Xeon Phi 7120P.

Features Key features of the Xeon Phi 7120P  vs 3120A 

clock speed

Xeon Phi 7120P
1.24 GHz
Xeon Phi 3120A
1.1 GHz

L2 cache

Xeon Phi 7120P
30.5 MB
Xeon Phi 3120A
28.5 MB

overclocked clock speed (air)

Xeon Phi 7120P
1.24 GHz
Xeon Phi 3120A
1.1 GHz

overclocked clock speed (water)

Xeon Phi 7120P
1.24 GHz
Xeon Phi 3120A
1.1 GHz

Specifications Full list of technical specs

summary

Xeon Phi 7120P  vs
3120A 
Clock speed 1.24 GHz 1.1 GHz
Cores 61 cores 57 cores
Socket type
PCI Express x16
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 No

power consumption

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

bus

Architecture FSB FSB
Number of links 1 1

details

Xeon Phi 7120P  vs
3120A 
Architecture x86-64 x86-64
Threads 244 228
L2 cache 30.5 MB 28.5 MB
Manufacture process 22 nm 22 nm
Max CPUs 8 8

overclocking

Overclocked clock speed 1.24 GHz 1.1 GHz
Overclocked clock speed (Water) 1.24 GHz 1.1 GHz
Overclocked clock speed (Air) 1.24 GHz 1.1 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
Maximum memory size 16,384 MB 6,144 MB
Intel Xeon Phi 7120P
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Intel Xeon Phi 3120A
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