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Black dual-fan graphics card with metal backplate, 2.5-slot ATX form factor

Sapphire Tech

Sapphire Tech PULSE AMD RX 7800 XT 16GB OC graphics card

SKU CH-63PJ-JXE6B

16 GB GDDR6 graphics card with 3840 stream processors, 64 MB Infinity Cache and PCIe 4.0 x16 interface

  • Chipset ManufacturerAMD
  • GPU SeriesAMD Radeon HD 7000 Series
  • GPURadeon RX 7800 XT
  • ArchitectureRDNA 3
  • Memory Size16GB
  • Memory TypeGDDR6

Option PULSE 7800XT

  • RDNA 3 architecture built on 5 nm process for modern gaming performance
  • 3840 stream processors and 60 compute units with dedicated ray and AI accelerators
  • 16 GB GDDR6 memory on a 256-bit bus with 64 MB Infinity Cache for high-resolution textures
  • Dual-X cooling with dual ball-bearing fans, composite heat pipes and intelligent fan control for quiet thermal management
  • HDMI 2.1 and DisplayPort 2.1 outputs supporting up to 7680×4320 resolution across four displays

Sapphire Pulse RX 7800 XT 16GB

The Sapphire Pulse Radeon RX 7800 XT is a graphics card built on AMD RDNA 3 architecture with a 5 nm GPU. It carries 3840 stream processors across 60 compute units with ray and AI accelerators. The 16 GB GDDR6 frame buffer runs on a 256-bit bus. It targets gamers and creators who want high frame rates at 1440p and 4K.

Upgrade from 12 GB cards or older RDNA 2 models

Moving from a 12 GB board or an RDNA 2 generation card adds 4 GB more video memory and the 64 MB Infinity Cache of RDNA 3. The jump is worth it when texture-heavy titles exceed 12 GB or when ray-tracing workloads benefit from the dedicated ray accelerators. The PCIe 4.0 x16 interface and dual HDMI plus dual DisplayPort 2.1 outputs carry over unchanged.

PCIe 4.0 x16 and DisplayPort 2.1 limits

The card plugs into a PCIe 4.0 x16 slot; bandwidth halves if the platform only supports PCIe 3.0. DisplayPort 2.1 can drive 7680×4320 resolution, but the link speed depends on cable quality and monitor implementation. HDMI also reaches 7680×4320 yet is capped by the HDMI 2.1 specification the port follows. The 2.5-slot cooler fits standard ATX cases measuring 280 mm long.

Points forts

  • RDNA 3 architecture built on 5 nm process for modern gaming performance
  • 3840 stream processors and 60 compute units with dedicated ray and AI accelerators
  • 16 GB GDDR6 memory on a 256-bit bus with 64 MB Infinity Cache for high-resolution textures
  • Dual-X cooling with dual ball-bearing fans, composite heat pipes and intelligent fan control for quiet thermal management
  • HDMI 2.1 and DisplayPort 2.1 outputs supporting up to 7680×4320 resolution across four displays

Caractéristiques

BrandSAPPHIRE
Chipset ManufacturerAMD
GPU SeriesAMD Radeon HD 7000 Series
GPURadeon RX 7800 XT
ArchitectureRDNA 3
Memory Size16GB
Memory TypeGDDR6
OpenGLOpenGL 4.0

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Questions sur cet article

Will the 2.5-slot card fit in my ATX case?

The card measures 280 mm long, 128.75 mm wide and 52.57 mm high, so check your case clearance against those dimensions.

What power connectors are required for the Digital Power Design?

The board uses Sapphire's Digital Power Design with ultra-high performance conductive polymer aluminum capacitors and fuse protection; refer to the card's connector layout for the exact PCIe power plugs needed.

Can I run four 7680×4320 displays at once?

The RX 7800 XT supports up to four displays with HDMI and DisplayPort 2.1 outputs, each capable of 7680×4320 resolution.

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