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Sapphire Nitro+ Radeon RX 7800 XT graphics card with triple-fan cooler and metal backplate

Sapphire Tech

Sapphire Tech NITRO+ Radeon RX 7800 XT 16GB GDDR6 graphics card

SKU CH-Y49N-QSKA7

Delivers 16 GB GDDR6 on a 256-bit bus with 3840 stream processors, triple-fan cooling and PCIe 4.0 x16 for 4K gaming

  • InterfacePCI Express 4.0 x16
  • Chipset ManufacturerAMD
  • GPU SeriesAMD Radeon RX 7000 Series
  • GPURadeon RX 7800 XT
  • Core Clock2254 MHz
  • Boost Clock2565 MHz
  • 16GB GDDR6 memory handles 4K textures without swapping
  • Boost clock reaches 2565 MHz for higher frame rates in demanding titles
  • 3840 stream processors accelerate compute-heavy workloads and ray tracing
  • Two HDMI 2.1 and two DisplayPort 2.1 ports drive four 8K displays simultaneously
  • PCI Express 4.0 x16 interface delivers full bandwidth to modern motherboards

Sapphire NITRO+ RX 7800 XT 16GB Overview

The Sapphire NITRO+ Radeon RX 7800 XT is a graphics card built on AMD RDNA 3 architecture with 16GB of GDDR6 memory across a 256-bit interface. It targets gamers and creators who want high frame rates at 1440p or entry-level 4K. The triple-fan cooler and factory overclock to 2565 MHz boost clock deliver sustained performance in modern titles.

Ideal For High-Refresh 1440p And 4K

This card suits enthusiasts running high-refresh monitors at 1440p or 4K who need 16GB VRAM for texture-heavy workloads. It requires a 700-watt power supply and two 8-pin connectors plus a 320 mm long three-slot case clearance. Builders with smaller chassis or lower-wattage units should consider a more compact model.

16GB 256-Bit GDDR6 Memory Decides Fit

The 16GB 256-bit GDDR6 frame buffer is the single spec that determines whether this GPU fits your workflow. It enables 4K gaming, heavy modding and professional apps that exceed 12GB VRAM. If your workload stays below that threshold a 12GB alternative reduces cost and power draw.

Highlights

  • 16GB GDDR6 memory handles 4K textures without swapping
  • Boost clock reaches 2565 MHz for higher frame rates in demanding titles
  • 3840 stream processors accelerate compute-heavy workloads and ray tracing
  • Two HDMI 2.1 and two DisplayPort 2.1 ports drive four 8K displays simultaneously
  • PCI Express 4.0 x16 interface delivers full bandwidth to modern motherboards

Specifications

BrandSAPPHIRE
SeriesNITRO+
Model11330-01-20G
InterfacePCI Express 4.0 x16
Chipset ManufacturerAMD
GPU SeriesAMD Radeon RX 7000 Series
GPURadeon RX 7800 XT
Core Clock2254 MHz
Boost Clock2565 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
CoolerTriple Fans
Thermal Design Power288W
Recommended PSU Wattage700W
Form FactorATX
Max GPU Length320 mm
Slot Width3 Slots

Questions about this item

What does the 2565 MHz boost clock mean once the card is installed in a system?

The 2565 MHz boost clock is the peak frequency the GPU can reach under load when power and thermal headroom allow. Actual sustained speeds depend on case airflow, power delivery and the workload.

What does the PCI Express 4.0 x16 interface cap in practice?

The PCI Express 4.0 x16 slot provides up to 16 lanes of fourth-generation bandwidth. If the motherboard only supports PCI Express 3.0 the card will run at 3.0 speeds, which may limit peak throughput in heavy compute or high-refresh scenarios.

What does the card physically need to fit and mount in a case?

The triple-fan cooler occupies three expansion slots and measures 320 mm long, 134.85 mm wide and 61.57 mm high. The case must clear that length and the motherboard needs a free x16 slot plus two 8-pin power connectors from a 700-watt supply.

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