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Sapphire ONCE HUMAN RX 7800 XT graphics card with black triple-fan cooler and metal backplate

Sapphire Tech

Sapphire Tech ONCE HUMAN RX 7800 XT 16GB graphics card

SKU CH-DWA3-QZSH5

RDNA 3 GPU with 3840 stream processors, 16 GB GDDR6 at 19.5 Gbps on a 256-bit bus, triple-fan cooling and HDMI plus DisplayPort 2.1 outputs

  • Chipset ManufacturerAMD
  • GPU SeriesAMD Radeon HD 7000 Series
  • GPUSapphire ONCE HUMAN 7800XT
  • ArchitectureAMD RDNA 3
  • Core Clock2475 MHZ
  • Game Clock2169 MHz

Option ONCE HUMAN 7800XT

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  • 16 GB GDDR6 memory at 19.5 Gbps for high-resolution textures
  • 3840 stream processors with 2475 MHz boost clock for strong compute performance
  • 64 MB Infinity Cache reduces latency in memory-heavy workloads
  • Triple-fan cooler keeps thermals in check under load
  • HDMI and DisplayPort 2.1 outputs drive up to four 8K displays

Sapphire ONCE HUMAN RX 7800 XT 16GB

The Sapphire ONCE HUMAN RX 7800 XT 16GB is a desktop graphics card built on AMD RDNA 3 architecture. It targets gamers and creators who want high frame rates at 1440p or entry 4K. The GPU offers 3840 stream processors, 16 GB GDDR6 memory on a 256-bit bus and a game clock of 2169 MHz.

Power and space requirements

Your power supply must deliver at least 700 W and provide two 8-pin PCIe connectors. The card measures 320 x 129 x 53 mm, so verify that your case has enough length and height clearance. A PCIe 4.0 x16 slot is required and the motherboard BIOS should be current for full compatibility.

Display outputs and software

Two HDMI and two DisplayPort 2.1 connectors drive up to four monitors at a maximum resolution of 7680 x 4320. The bundled TriXX software lets you adjust clock speeds, fan curves and RGB lighting without third-party tools. AMD Adrenalin Edition drivers add features such as FidelityFX Super Resolution and Radeon Anti-Lag.

Highlights

  • 16 GB GDDR6 memory at 19.5 Gbps for high-resolution textures
  • 3840 stream processors with 2475 MHz boost clock for strong compute performance
  • 64 MB Infinity Cache reduces latency in memory-heavy workloads
  • Triple-fan cooler keeps thermals in check under load
  • HDMI and DisplayPort 2.1 outputs drive up to four 8K displays

Specifications

Brandsapphire tech
Series7800XT
ModelSapphire ONCE HUMAN 7800XT
Chipset ManufacturerAMD
GPU SeriesAMD Radeon HD 7000 Series
GPUSapphire ONCE HUMAN 7800XT
ArchitectureAMD RDNA 3
Core Clock2475 MHZ
Game Clock2169 MHz
Memory Size16GB
Memory Interface256-Bit
OpenGLOpenGL 4.0
HDMI2 x HDMI
DisplayPort2 x DisplayPort 2.1
CoolerTriple Fans

Other versions of this model

5 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

What comes in the box with the Sapphire ONCE HUMAN RX 7800 XT 16G D6 and do I need to buy power cables separately?

The graphics card ships with the triple-fan cooler installed and two 8-pin power connectors on the board. Your power supply must provide both 8-pin cables; they are not included with the card.

The specs list 16 GB GDDR6 on a 256-bit bus at 19.5 Gbps — is there any other memory version of this model I should consider?

This specific ONCE HUMAN edition is only offered with 16 GB of GDDR6 memory running at 19.5 Gbps across a 256-bit interface; no alternative capacities or speeds exist for this model.

The boost clock is shown as 2475 MHz — what does that actually mean for frame rates in games at 1440p?

The 2475 MHz acceleration frequency is the peak single-core speed; sustained gaming clocks sit at 2169 MHz, and together with 3840 stream processors and 64 MB Infinity Cache the card targets high-refresh 1440p performance in modern titles.

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