Сопроцессор Intel Xeon Phi 7120A vs Сопроцессор Intel Xeon Phi 3120P: comparison

Comparison of Сопроцессор Intel Xeon Phi 7120A and Сопроцессор Intel Xeon Phi 3120P: key differences and a full specification table.

Key differences

Сопроцессор Intel Xeon Phi 7120A has more cores (61 vs 57), a higher base clock (1.24 GHz vs 1.1 GHz), a higher maximum memory size (16 GB vs 6 GB) and more memory channels (16 vs 12).

Both processors match on: TDP (300 W), process node (22 nm), PCIe version (2).

These are specification values: they show differences between the models but do not determine a performance winner. For a specific workload, rely on independent benchmarks.

Key specifications

ParameterСопроцессор Intel Xeon Phi 7120AСопроцессор Intel Xeon Phi 3120P
Cores / threads 61 57
Max boost clock 1.33 GHz —
TDP 300 W 300 W
Process 22 nm 22 nm

Full specification table

Differing values are highlighted. This is not a better/worse rating: numbers from different architectures are not always comparable.

Parameter Сопроцессор Intel Xeon Phi 7120A Сопроцессор Intel Xeon Phi 3120P
General
Model 7120A 3120P
Codename Knights Corner Knights Corner
Segment Server Server
Product line Семейство продукции Intel Xeon Phi x100 Семейство продукции Intel Xeon Phi x100
Process 22 nm 22 nm
Launch date Q2 2014 Q2 2013
Status Discontinued Discontinued
Servicing status End of Servicing Updates End of Servicing Updates
Embedded options available No No
CPU
Cores 61 57
Base clock 1.24 GHz 1.1 GHz
Max boost clock 1.33 GHz —
L2 cache 30.5 MB 28.5 MB
TDP 300 W 300 W
Turbo Boost Yes (1) No
Instruction set width 64 bit 64 bit
Instruction set extensions IMCI IMCI
Memory
Max memory size 16 GB 6 GB
Memory channels 16 12
Max memory bandwidth 352 GB/s 240 GB/s
ECC memory supported Yes Yes
I/O and interfaces
PCI Express revision 2 2

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