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SiFive Intelligence
X200 Series

SiFive Intelligence
X280

The 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.

In addition to ML inferencing, it is ideal for applications requiring high-throughput, single-thread performance while under power constraints (e.g., AR, VR, sensor hubs, IVI systems, IP cameras, digital cameras, gaming devices).

SiFive Intelligence
X280 Key Features

SiFive Intelligence Extensions for ML workloads

  • Custom instructions to greatly accelerate Neural Network computation
  • Optimized TensorFlow Lite implementation
  • Hundreds of Neural Network models ported
  • 4.6 TOPS performance

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

Performance benchmarks

  • 5.75 CoreMarks/MHz
  • 3.25 DMIPS/MHz
  • 4.6 SpecINT2k6/GHz

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 8 cores

Application Spotlight

Case Study: Google Datacenter

SiFive Intelligence X280 as AI Compute Host

SiFive Intelligence
X288

The SiFive Intelligence™ X288 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 Performance X200 Series benefits! Download our detailed product briefs today or contact our sales team with any questions.

SiFive Intelligence Family

X300 Series
Intelligence
  • 1024-bit Vector Length
  • Single/Dual Vector ALU
  • 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.