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SiFive Intelligence
X200 Series

SiFive Intelligence
X280 Gen 2

Building on the popular first generation the latest SiFive Intelligence™ X280 is a multi-core capable RISC-V processor with vector extensions and SiFive Intelligence Extensions and is optimized for AI/ML compute at the edge.

The SiFive® Intelligence™ X280 Gen 2 is an 8-stage dual issue, in-order, superscalar design with wide vector processing (512-bit VLEN/256-bit DLEN). It supports RISC-V Vectors v1.0 (RVV 1.0) and SiFive Intelligence Extensions to accelerate critical AI/ML operations. 

SiFive Intelligence
X280 Gen 2 Key Features

New in Second Generation

  • New RVA23 support
  • New RVV1.0 512-bit vector engine
  • New SSCI interface added alongside VCIX
  • New instructions and extensions
  • New improved memory subsystem
  • New memory latency tolerance
  • New HW support of BF16 datatype
  • New vector crypto support
  • Plus many other new features, enhancements and upgrades

512-bit vector register length processor

  • Variable length operations, up to 512-bits of data per cycle
  • Ideal balance of control logic and data parallel compute
  • Decoupled Vector pipeline
  • INT8 to INT64 integer data type
  • BF16/FP16/FP32/FP64 floating point data type

SiFive Intelligence Extensions for ML workloads

  • Custom instructions to greatly accelerate Neural Network computation
  • Optimized IREE MLIR AI/ML software stack and TensorFlow Lite implementation
  • Hundreds of Neural Network models ported

Built on silicon-proven U7-Series core

  • 64-bit RISC-V ISA
  • 8-stage dual-issue in-order pipeline
  • Coherent multi-core, Linux capable

High performance vector memory subsystem

  • Memory parallelism provides cache miss tolerance
  • Virtual memory support with precise exceptions
  • Up to 48-bit addressing

Multi-core, multi-cluster processor configuration, up to 4 cores per cluster

RISC-V 64-bit Linux capable scalar/vector processing for standalone AI or Accelerator Control and Assist at the Edge

Application Spotlight

Case Study: Kinara Edge AI

SiFive Intelligence X280 Gen 1 adds flexibility and adaptability.

Case Study: Google Datacenter

SiFive Intelligence X280 Gen 1 as AI Compute Host

SiFive Intelligence
X288

The SiFive Intelligence™ X288 Gen 1 is a multi-core capable RISC-V processor ideal for Aerospace applications with vector extensions and SiFive Intelligence Extensions and is optimized for AI/ML compute at the edge.

Ask about applications in aerospace, infrastructure and other applications.

Download Intelligence X200 Series
Product Briefs

Learn more about SiFive Intelligence X200 Series benefits! Download our product briefs today or contact our sales team with any questions.

SiFive Intelligence Family

X100 Series
Intelligence
  • 32-bit or 64-bit CPU
  • 128-bit Vector Length
  • SSCI and VCIX
X300 Series
Intelligence
  • 1024-bit Vector Length
  • Single/Dual Vector ALU
  • SSCI and VCIX (2048-bit)
XM Series
Intelligence
  • Scalable Matrix Engine
  • 4 X300 cores per cluster
  • 1 Cluster = 16 TOPS (INT8)

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Core IP Families

Automotive
SiFive Automotive™ solutions provide a range of high-end application and real-time processors, delivering industry-leading performance, minimal area, and low power consumption. ISO 21434, ISO26262 ASIL B, ASIL D and split-lock certifications.
Intelligence
Intelligence embraces a software-first approach to processor design, addressing the future needs of deploying ML and AI at the edge. It provides high-performance, scalable vector and matrix compute capabilities, adaptable to evolving workloads.
Performance
The SiFive Performance™ family of RISC-V processors is designed for maximum throughput and performance efficiency for a range of application from datacenter workloads, ranging from Web servers and multimedia processing, Networking/Storage to consumer applications like TV, wearables and other smart devices requiring AI functionality.