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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.

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.