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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

  • Graphics processorRadeon RX 7800 XT
  • Memory capacity16 GB
  • Interface typePCI Express 4.0 x16
  • Shader units3840
  • Highest resolution7680 × 4320
  • Boost frequency2430 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.

How it compares

Measured against everything we stock in Desktop GPUs & Video Cards, at today’s prices. Recalculated every night.

Price $647.99
Pricier than about 75% of the 4,285 comparable items (median $354.99).
Memory capacity 16 GB
Higher than about 80% of the 3,563 comparable items (median 8 GB).
Boost frequency 2430 MHz
Higher than about 59% of the 1,837 comparable items (median 1.89 GHz).

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Specifications

Product
Brand nameSAPPHIRE
Product linePULSE
Model namePULSE 7800XT
Processor
TDP rating263 W
Memory
Type of memoryGDDR6
Display
Highest resolution7680 × 4320
Graphics
Graphics processorRadeon RX 7800 XT
Memory capacity16 GB
Boost frequency2430 MHz
Shader units3840
Core frequency2124 MHz
Chipset makerAMD
Graphics seriesAMD Radeon RX 7000 Series
Memory bus width256-Bit
DirectX support12 Ultimate
OpenGL support4.6
Supported displays4
Ports & slots
Interface typePCI Express 4.0 x16
HDMI ports2 x HDMI 2.1
DisplayPort connectors2 x DisplayPort 2.1
Power
Recommended power supply700 W
Size & build
Form factorATX
Max graphics card length280 mm
Slots occupied2.5 Slots
More details
Cooling solutionDouble Fans

Questions about this item

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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