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- Model: NITRO+ AMD Radeon™ RX 7900 XT Vapor-X 20GB
- MPN: 11323-01-40G
General Information
The Sapphire NITRO+ AMD Radeon RX 7900 XT Vapor-X 20GB GDDR6 is a high-performance graphics card based on AMD’s RDNA 3 architecture , designed for 4K gaming , content creation , and professional workloads . It features 20GB of GDDR6 memory , 84 Compute Units , and 84 second-generation Ray Accelerators , making it one of the most powerful GPUs in its class.
With Vapor-X cooling technology and Tri-X fan design , it ensures efficient thermal management and quiet operation under load. The dual BIOS allows users to switch between performance and quiet modes , while customizable RGB lighting enhances visual appeal for immersive builds .
It supports PCIe 4.0 x16 interface , HDMI 2.1 , DisplayPort 2.1 , and DirectX 12 Ultimate , making it ideal for next-gen gaming and high-resolution workflows.
GPU & Performance
- Architecture: AMD RDNA 3 – 5nm process node with enhanced performance and power efficiency
- Stream Processors: 5376 – delivers strong performance for gaming and rendering
- Compute Units (CUs): 84 – optimized for high frame rates and multitasking
- Ray Accelerators: 84 (2nd Gen) – improves real-time ray tracing in supported games
- AI Accelerators: Not specified, but likely integrated into RDNA 3 architecture
- Game Clock: Up to 2220 MHz – stable performance during gameplay
- Boost Clock: Up to 2560 MHz – enhances performance in demanding titles
- TDP (Thermal Design Power): 368W – higher power draw than previous generations
- Memory:
- 20GB GDDR6 – suitable for 4K/8K gaming and content creation
- 320-bit bus interface – ensures high bandwidth for texture-heavy applications
- Effective Memory Speed: 20 Gbps – fast data transfer for smooth gameplay
- Infinity Cache: 80MB (2nd Gen) – improves memory access efficiency and reduces latency
Display Outputs & Resolution Support
- Video Outputs:
- 2 x HDMI 2.1 – supports 8K@60Hz and 4K@120Hz
- 2 x DisplayPort 2.1 – enables 8K@60Hz and HDR support
- Max Simultaneous Displays: Supports up to 4 monitors
- Max Resolution:
- 7680 x 4320 (8K UHD) via HDMI or DisplayPort
- Supports 8K@60Hz (DSC mode) and 4K@120Hz
- HDR Support: Yes – for enhanced color depth and contrast
- FreeSync Premium Pro: Supports adaptive refresh rate for tear-free gaming
- Multi-Monitor Capability:
- Ideal for multi-tasking , productivity , and immersive gaming setups
- When using Thunderbolt™ 5 , bandwidth is limited by **DisplayPort™ 2.1 (up to 77.4 Gbit/s). Chain monitors using verified Thunderbolt™ cables for dual 8K@60Hz support
Cooling & Thermal Design
- Cooling System: Vapor-X triple-fan (Tri-X) design – three fans for efficient heat dissipation
- Fan Technology:
- Triple axial fans with semi-passive mode – fans stop at low temperatures
- Low-noise operation during light workloads
- Thermal Solution:
- Vapor chamber and heatpipe-based design for even temperature distribution
- Aluminum backplate for structural rigidity and passive cooling
- Dual BIOS:
- Performance Mode – for maximum clock speeds and cooling
- Quiet Mode – for reduced noise and energy use
Interface & Connectivity
- Bus Interface: PCIe 4.0 x16 – backward compatible with PCIe 3.0
- Power Connectors: 2 x 8-pin – ensures stable power delivery
- Recommended PSU: Minimum 650W – for full performance under load
- Supported APIs:
- DirectX 12 Ultimate
- Vulkan
- OpenGL
- OpenCL
- FidelityFX Super Resolution (FSR 3)
- Thunderbolt™ Compatibility:
- HDMI/DisplayPort can be used via Thunderbolt™ 5 , but bandwidth is limited by **DisplayPort™ 2.1 (up to 77.4 Gbit/s). Use verified cables for best results
Physical Dimensions & Installation
- Length: Approx. 320 mm – requires sufficient case clearance
- Width: 135.75 mm – fits in most mid-tower and full-tower cases
- Height: 71.6 mm – standard for high-end GPUs
- Weight: Not specified – typical for this class (~1.8–2.2 kg)
- Mounting: Standard triple-slot bracket with secure screw mounting
- Included Accessories:
- Sapphire NITRO+ cooler module
- Quick installation guide
- Power cable (if applicable)