Intel Xeon Phi 3120P vs Intel Xeon Phi 7120P

Comparative analysis of Intel Xeon Phi 3120P and Intel Xeon Phi 7120P processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization.

Intel Xeon Phi 3120P

Intel Xeon Phi 7120P

Differences

Reasons to consider the Intel Xeon Phi 7120P

4 more cores, run more applications at once: 61 vs 57
Around 21% higher clock speed: 1.33 GHz vs 1.1 GHz
Around 7% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 7% more L2 cache; more data can be stored in the L2 cache for quick access later
2.7x more maximum memory size: 16 GB vs 6 GB

Number of cores	61 vs 57
Maximum frequency	1.33 GHz vs 1.1 GHz
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	16 GB vs 6 GB

Compare specifications (specs)

	Intel Xeon Phi 3120P	Intel Xeon Phi 7120P
Essentials
Architecture codename	Knights Corner	Knights Corner
Launch date	June 2013	June 2013
Place in performance rating	not rated	not rated
Processor Number	3120P	7120P
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	1.24 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	1.1 GHz	1.33 GHz
Number of cores	57	61
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	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	300 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)