Intel Xeon Phi 31S1P vs Intel Xeon Phi 5120D

Comparative analysis of Intel Xeon Phi 31S1P and Intel Xeon Phi 5120D processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Security & Reliability, Advanced Technologies, Virtualization, Peripherals.

Intel Xeon Phi 31S1P

Intel Xeon Phi 5120D

Differences

Reasons to consider the Intel Xeon Phi 31S1P

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 10% lower typical power consumption: 245 Watt vs 270 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)
Thermal Design Power (TDP)	245 Watt vs 270 Watt

Compare specifications (specs)

	Intel Xeon Phi 31S1P	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
Vertical segment	Server	Server
Processor Number		5120D
Series		Intel® Xeon Phi™ x100 Product Family
Status		Discontinued
Performance
64 bit support
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
Base frequency		1.05 GHz
Memory
Supported memory types	DDR3, DDR4	DDR3, DDR4
Max memory channels		16
Maximum memory bandwidth		352 GB/s
Maximum memory size		8 GB
Compatibility
Max number of CPUs in a configuration	1	1
Thermal Design Power (TDP)	270 Watt	245 Watt
Low Halogen Options Available
Security & Reliability
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® vPro™ Platform Eligibility
Instruction set extensions		Intel® IMCI
Intel® Turbo Boost technology
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Peripherals
PCI Express revision		2.0