Intel Xeon Phi 3120A vs Intel Xeon Phi 5120D

Comparative analysis of Intel Xeon Phi 3120A and Intel Xeon Phi 5120D processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization.

Intel Xeon Phi 3120A

Intel Xeon Phi 5120D

Differences

Reasons to consider the Intel Xeon Phi 3120A

Around 5% higher clock speed: 1.1 GHz vs 1.05 GHz

Maximum frequency	1.1 GHz vs 1.05 GHz

Reasons to consider the Intel Xeon Phi 5120D

3 more cores, run more applications at once: 60 vs 57
Around 5% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 5% more L2 cache; more data can be stored in the L2 cache for quick access later
Around 33% higher maximum memory size: 8 GB vs 6 GB
Around 22% lower typical power consumption: 245 Watt vs 300 Watt

Number of cores	60 vs 57
L1 cache	32 KB (per core) vs 32 KB (per core)
L2 cache	512 KB (per core) vs 512 KB (per core)
Maximum memory size	8 GB vs 6 GB
Thermal Design Power (TDP)	245 Watt vs 300 Watt

Compare specifications (specs)

	Intel Xeon Phi 3120A	Intel Xeon Phi 5120D
Essentials
Architecture codename	Knights Corner	Knights Corner
Launch date	June 2013	June 2013
Place in performance rating	not rated	not rated
Processor Number	3120A	5120D
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	1.10 GHz	1.05 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	1.1 GHz	1.05 GHz
Number of cores	57	60
Transistor count	5000 million	5000 million
Memory
Max memory channels	12	16
Maximum memory bandwidth	240 GB/s	352 GB/s
Maximum memory size	6 GB	8 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	245 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)