Intel Xeon Phi 7120A vs Intel Xeon Phi 7120D

Comparative analysis of Intel Xeon Phi 7120A and Intel Xeon Phi 7120D processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization.

Intel Xeon Phi 7120A

Intel Xeon Phi 7120D

Differences

Reasons to consider the Intel Xeon Phi 7120A

CPU is newer: launch date 1 month(s) later

Launch date	April 2014 vs March 2014

Reasons to consider the Intel Xeon Phi 7120D

Around 11% lower typical power consumption: 270 Watt vs 300 Watt

Thermal Design Power (TDP)	270 Watt vs 300 Watt

Compare specifications (specs)

	Intel Xeon Phi 7120A	Intel Xeon Phi 7120D
Essentials
Architecture codename	Knights Corner	Knights Corner
Launch date	April 2014	March 2014
Place in performance rating	not rated	not rated
Processor Number	7120A	7120D
Series	Intel® Xeon Phi™ x100 Product Family	Intel® Xeon Phi™ x100 Product Family
Status	Discontinued	Discontinued
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	1.24 GHz	1.24 GHz
Die size	350 mm	350 mm
L1 cache	32 KB (per core)	32 KB (per core)
L2 cache	512 KB (per core)	512 KB (per core)
Manufacturing process technology	22 nm	22 nm
Maximum frequency	1.33 GHz	1.33 GHz
Number of cores	61	61
Transistor count	5000 million	5000 million
Memory
Max memory channels	16	16
Maximum memory bandwidth	352 GB/s	352 GB/s
Maximum memory size	16 GB	16 GB
Supported memory types	DDR3, DDR4	DDR3, DDR4
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Thermal Design Power (TDP)	300 Watt	270 Watt
Peripherals
PCI Express revision	2.0	2.0
Security & Reliability
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Instruction set extensions	Intel® IMCI	Intel® IMCI
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)