PULSE AMD Radeon™ RX 6400 (4GB 64BIT DDR6)


  • GPU: Boost Clock: Up to 2321MHz
  • Memory: 4GB/64 bit DDR6. 16 Gbps Effective
  • Stream Processors: 768
  • RDNA™ 2 Architecture
  • Ray Accelerator: 12


AMD Radeon™ RX 6400 Graphics Card
6nm GPU
AMD RDNA™ 2 Architecture

Engine Clock

  • Boost Clock: Up to 2321 MHz
  • Game Clock: Up to 2039 MHz


Boost Clock is the maximum frequency achievable on the GPU running bursty workload. Boost clock achievability, frequency, and sustainabilty will vary based on several factors, including but not limited to: thermal conditions and variation in application and workloads.


Game Clock is the expected GPU clock when running typical gaming applications, set to typical TGP(Total Graphics Power). Actual individual game clock results may vary.

Stream Processors


Infinity Cache


Ray Accelerators


Memory Size/Bus


Memory Clock

16 Gbps Effective


Maximum 2 Displays


  • HDMI™: 7680×4320
  • DisplayPort1.4: 7680×4320


PCI-Express 4.0 x4

BIOS Support

  • UEFI

Game Index


Sapphire Features

  • Fuse Protection
  • Axial Fan Cooling Technology
  • TriXX Supported
  • TriXX Boost
  • ATX Bracket Accessory

AMD Features

  • AMD RDNA 2 Gaming Architecture
  • DirectX 12 Ultimate support
  • AMD Smart Access Memory Technology
  • AMD Infinity Cache Memory Technology
  • 6nm GPU
  • PCI Express 4.0 Support
  • AMD FreeSync Technology
  • DisplayPort 1.4 with DSC
  • HDMI support
  • Video Streaming up to 8K
  • AMD Radeon VR Ready Premium
  • AMD FidelityFX
  • AMD Radeon Image Sharpening
  • AMD Radeon Anti-Lag
  • AMD Software: Adrenalin Edition
  • Game Driver Optimizations


Axial Fan Cooling

Form Factor

1 slot, ATX

Low Profile

Dimension: 170(L)X 56.2(W)X 17.2(H)mm

Power Consumption

  • 55W (Board Power)


Linux®, Windows® 7*, Windows® 10, and Windows 11 64-bit  operating system required

*Does not support all features including but not limited to Hardware Raytracing

System Requirement

  • Minimum 350 Watt Power Supply
  • PCI Express® based PC is required with one X16 lane graphics slot available on the motherboard.
  • Minimum 8GB of system memory. 16GB recommended.
  • A display with HDMI or DisplayPort is required


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