Sapphire Pulse Radeon RX 7900 XTX 24GB: features, specs and who it suits

The Sapphire Pulse Radeon RX 7900 XTX (model 11322-02-20G) is a high-end graphics card built on AMD's RDNA 3 architecture. It carries 24GB of GDDR6 memory and is made for gaming at high resolutions and for graphics-heavy creative work.

Clock speeds

Sapphire lists a boost clock of up to 2525 MHz and a game clock of up to 2330 MHz. Boost clock is the highest speed the GPU can reach briefly, while game clock is the speed AMD expects it to hold during typical gaming loads. Both depend on temperature and power limits, so real figures vary by system and game.

What 24GB on a 384-bit bus means

The card has 24GB of GDDR6 on a 384-bit memory bus, with a memory clock of 20 Gbps effective. The amount of video memory affects how large the textures and scenes it can hold are, which matters at 4K, in games with high-resolution texture packs, and for work such as 3D rendering and video editing. The bus width and memory speed together set memory bandwidth, meaning how fast data moves between the memory and the GPU. A 384-bit bus is wide for a consumer card.

RDNA 3

RDNA 3 is AMD's graphics architecture generation used in the Radeon RX 7000 series. Sapphire lists the architecture but not further details, so check AMD's documentation for features such as ray tracing support and the driver software.

Display outputs

The card has two HDMI and two DisplayPort outputs, which supports several monitors or a mix of a monitor and a television. Check each port's version against the refresh rate and resolution of your displays.

Size and cooling

This is a large card. The listing gives its form factor as 2.7 slots and ATX, with dimensions of 313 x 133.75 x 52.67 mm (about 12.3 inches long). The shipping size and weight are listed as 17.0 x 9.5 x 3.5 inches and 4.3 lb including packaging. A 2.7-slot design covers nearly three expansion slots at the back of the case, so it blocks adjacent slots, and the 313 mm length needs a roomy case.

Power and the rest of the build

The listing doesn't give the power requirements. Cards at this level typically need a strong power supply and several PCIe power connectors, so check Sapphire's or AMD's specifications for the recommended power supply wattage and connector layout. Your motherboard needs a PCI Express x16 slot, and your processor should be capable enough that it does not hold the card back.

Who it suits

It suits gamers playing at high resolutions or high refresh rates and creators who want plenty of video memory, in a case with enough room and a suitable power supply.

What to check before you buy

• Case clearance: measure for 313 mm of length, 2.7 slots of thickness and some airflow room.
• Power supply: confirm the wattage and the PCIe power connectors against the manufacturer's guidance.
• Monitor ports: match HDMI and DisplayPort versions to your displays.
• Motherboard slot: you need a full-size PCI Express x16 slot.
• Drivers and software: check the AMD driver support for your operating system.
• Warranty and support: read the terms from Sapphire.

The short version

• A Radeon RX 7900 XTX on RDNA 3 with 24GB GDDR6 and a 384-bit bus.
• Boost clock up to 2525 MHz and game clock up to 2330 MHz.
• Two HDMI and two DisplayPort outputs.
• A 2.7-slot, 313 mm card that needs a roomy case.
• Check power supply and connector needs before fitting it.

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