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Sapphire Pulse Radeon RX 7800 XT dual-fan graphics card with metal backplate

Sapphire Tech

Sapphire Tech PULSE Radeon RX 7800 XT 16GB graphics card

SKU CH-H73P-4VGFS

Drives 4K gaming with a 2430 MHz boost clock, 16 GB 256-bit GDDR6 and 3840 stream processors on AMD RDNA 3 architecture

  • InterfacePCI Express 4.0 x16
  • Chipset ManufacturerAMD
  • GPU SeriesAMD Radeon RX 7000 Series
  • GPURadeon RX 7800 XT
  • Core Clock2124 MHz
  • Boost Clock2430 MHz
  • 16 GB GDDR6 memory on a 256-bit bus for high-bandwidth 1440p and 4K gaming
  • Boost clock of 2430 MHz with 3840 stream processors for strong raster and ray-tracing performance
  • Dual-X cooling with composite heat pipes and dual ball-bearing fans for quiet, sustained operation
  • PCI Express 4.0 x16 plus two HDMI 2.1 and two DisplayPort 2.1 outputs for multi-monitor flexibility
  • Metal backplate and fuse protection on a high-TG copper PCB for durable, reliable builds

What the Sapphire Pulse RX 7800 XT 16GB is for

This graphics card targets gamers and creators who need 16GB GDDR6 on a 256-bit bus at 1440p or 4K. The AMD RDNA 3 GPU delivers 3840 stream processors with 60 compute units and 60 ray accelerators. A PCIe 4.0 x16 link and 64MB Infinity Cache keep data moving.

When the 16GB 256-bit upgrade makes sense

Moving from 8GB or 12GB mid-range cards removes VRAM bottlenecks in texture-heavy titles and compute workloads. The 16GB frame buffer and 256-bit interface shine when ray tracing or high-resolution assets exceed smaller buffers. The jump is worth it if your current card hits memory limits before GPU limits.

Installation notes and common pitfalls

The dual-slot 2.5 design measures 280mm long and fits most ATX cases with two free expansion slots. Connect two 8-pin power cables and ensure the PSU meets AMD's wattage guidance. Verify the motherboard runs PCIe 4.0 x16 for full bandwidth. Driver install via AMD Adrenalin enables TriXX features.

商品特色

  • 16 GB GDDR6 memory on a 256-bit bus for high-bandwidth 1440p and 4K gaming
  • Boost clock of 2430 MHz with 3840 stream processors for strong raster and ray-tracing performance
  • Dual-X cooling with composite heat pipes and dual ball-bearing fans for quiet, sustained operation
  • PCI Express 4.0 x16 plus two HDMI 2.1 and two DisplayPort 2.1 outputs for multi-monitor flexibility
  • Metal backplate and fuse protection on a high-TG copper PCB for durable, reliable builds

商品規格

BrandSAPPHIRE
SeriesPULSE
ModelPULSE 7800XT
InterfacePCI Express 4.0 x16
Chipset ManufacturerAMD
GPU SeriesAMD Radeon RX 7000 Series
GPURadeon RX 7800 XT
Core Clock2124 MHz
Boost Clock2430 MHz
Stream Processors3840
Memory Size16GB
Memory Interface256-Bit
Memory TypeGDDR6
DirectXDirectX 12 Ultimate
OpenGLOpenGL 4.6
Multi-Monitor Support4
HDMI2 x HDMI 2.1
DisplayPort2 x DisplayPort 2.1
Max Resolution7680 x 4320
CoolerDouble Fans
Thermal Design Power263W
Recommended PSU Wattage700W
Form FactorATX
Max GPU Length280 mm
Slot Width2.5 Slots

商品問答

What power connectors and wattage does this card require?

The card uses a dual-fan cooler and a 2.5-slot design, so ensure your case has at least 280 mm length clearance and a power supply with the correct PCIe connectors for a 7800 XT.

Will it fit in a mid-tower case with a 280 mm GPU limit?

The board measures 280 mm long, 128.75 mm wide and 52.57 mm high, occupying 2.5 slots — verify your case allows that length and slot width before buying.

Can I run four 4K monitors at 60 Hz from the native outputs?

Yes, the card provides two HDMI 2.1 and two DisplayPort 2.1 ports, supporting up to four displays at a maximum resolution of 7680 x 4320.

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