High-Capacity 24GB GDDR6 Memory
A 384-bit memory bus and 960 GB/s bandwidth support the Radeon RX 7900 XTX GPU’s 24GB of GDDR6 memory.
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Updated 5 months ago
AMD's flagship RDNA 3 GPU paired with Sapphire's legendary Vapor-X cooling chamber and massive heatsink. Crushes 4K gaming without breaking a sweat.

A 384-bit memory bus and 960 GB/s bandwidth support the Radeon RX 7900 XTX GPU’s 24GB of GDDR6 memory.
Sapphire pairs a Vapor-X cooling chamber with a massive heatsink to manage the card’s 420W total board power.
Two HDMI 2.1 and two DisplayPort 2.1 outputs support up to four displays, alongside a PCIe 4.0 x16 interface.
The Sapphire NITRO+ AMD Radeon RX 7900 XTX Vapor-X is an RDNA 3 graphics card with 24GB of GDDR6 memory, Vapor-X cooling, a PCIe 4.0 x16 interface, and support for up to four displays.
The reviewer concludes the card is the fastest 7900 XTX they tested, praising its cooling, silent operation, and high-end design, while noting its massive size and high power consumption as potential drawbacks. It is described as a highly recommended option for high-end 4K and 1440p gaming.
The review characterizes the card as a well-engineered, ultimate version of the RX 7900 XTX that provides excellent thermals and low noise output, though it cautions that the high power draw yields only modest performance gains over the reference model.
This review highlights the card's factory overclock, premium Pantheon+ cooling solution with removable fans, and various gamer-friendly features like dual-BIOS and ARGB headers, positioning it as a top-tier custom flagship.
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| Attribute | Specification | Notes |
|---|---|---|
| Capacity | 24 GB/W | GB/W |
| Compatibility | PCI Express 4.0 x16 | |
| Component Type | GPU (graphics card) | |
| Cooling Design | Vapor-X cooling chamber and massive heatsink | |
| Dimensions | Length x width x height (ATX dimension): 320 x 135.75 x 71.6 mm | mm |
| Encoder Decoder Features | -1 | |
| Form Factor | 3.5-slot, ATX Dimension | |
| Gpu Architecture | AMD RDNA 3 | |
| Gpu Model | AMD Radeon RX 7900 XTX | |
| Interface Standard | PCIe 4.0 x16, 2 x HDMI 2.1, 2 x DisplayPort 2.1 | |
| Manufacturer | Sapphire | |
| Max Supported Displays | 4 | |
| Memory Bandwidth | 960 | |
| Memory Bus Width | 384 | |
| Pcie Interface | PCIe 4.0 x16 | |
| Performance Spec | Boost clock: up to 2680 MHz, Game clock: up to 2510 MHz, Stream processors: 6144, RDNA 3 architecture, Ray accelerators: 96, Memory: 24GB GDDR6 (20 Gbps effective), Memory bus: 384-bit | |
| Power Requirements | 420 W | W |
| Ray Tracing Support | Yes | |
| Thermal Design | Total Board Power: 420W | |
| Upscaling Technology | AMD FSR | |
| Vram Capacity | 24 | |
| Vram Type | GDDR6 | |
| Warranty Period | 24 months | months |

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