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NEC SX-Aurora TSUBASA - Vector Engine

NEC Vector Engine Models

NEC SX Aurora Card

The second edition of the Vector Engine Processor has an even higher memory bandwidth of 1.53 TB/s and a DP peak performance of 3.07 TeraFLOPS.

NEC Vector Engine Type 20A Type 20B
Core specfication   
Clock speed (GHZ) 1.600 1.600
Peak performance (GigaFLOPS) DP 307 307
Peak performance (GigaFLOPS) SP 614 614
Processor Specifications   
# of cores / processor 10 8
Peak performance (TeraFLOPS) DP 3.07 2.45
Peak performance (TeraFLOPS) SP 6.14 4.91
Memory bandwidth (TB/s) 1.53 1.53
Cache capacity (MB) 16 16
Memory capacity (GB) 48 48

The NEC Vector Engine Processor was developed using 16 nm FinFET process technology for extreme high performance and low power consumption. The Vector Engine Processor has the world's first implementation of one processor with six HBM2 memory modules using Chip-on-Wafer-on-Substrate technology, leading to the world-record memory bandwidth of 1.35 TB/s.

NEC Vector Engine Type 10AE Type 10BE Type 10B Type 10CE
Core specfication   
Clock speed (GHZ) 1.584 1.408 1.400 1.400
Peak performance (GigaFLOPS) DP 304 270 268 268
Peak performance (GigaFLOPS) SP 608 540 537 537
Processor Specifications   
# of cores / processor 8 8 8 8
Peak performance (TeraFLOPS) DP 2.43 2.16 2.15 2.15
Peak performance (TeraFLOPS) SP 4.86 4.32 4.30 4.30
Memory bandwidth (TB/s) 1.35 1.35 1.22 1.00
Cache capacity (MB) 16 16 16 16
Memory capacity (GB) 48 48 48 24

The NEC Vector Engine Processor follows the tradition of NEC Vector Processors providing optimal sustained performance.

NEC SX-Aurora TSUBASA Platforms

NEC provides five hardware platforms that can be configured in different ways.

For more detailed information to the systems