In the ongoing battle between GPU titans, NVIDIA’s 80-class graphics cards have generally outperformed AMD’s RX 9070 XT in gaming benchmarks. However, AMD’s latest rendering performance is notable, especially when utilizing Cooperative Vectors technology.
AMD’s Native Vulkan Cooperative Vectors Elevates Performance, Surpassing NVIDIA’s Elite GPUs
Our recent exploration of NVIDIA’s RTXNTC technology highlighted its ability to enhance performance and reduce VRAM consumption through DirectX Raytracing (DXR) 1.2. An extensive testing effort by user @opinali examined how AMD’s RDNA 4 architecture fares under Neural Text Compression (NTC).Surprisingly, in low-end rendering scenarios, AMD’s Radeon RX 9070 XT outperformed the GeForce RTX 5080, showcasing the strong optimization of AMD’s technology in rendering applications.
In any case, this runs great with DP4A!Vulkan: 9070 XT 1, 800fps, RTX 5080 1, 630fpsDX12: 9070 XT 2, 650fps, RTX 5080 1, 260fpsThe 9070 XT beats the 5080 by +10% with Vulkan, destroys it with +110% in DX12 (but see earlier posts, NVIDIA’s preview driver for Blackwell is bad.) pic.twitter.com/9A0hudJoht
— Osvaldo Pinali Doederlein (@opinali) July 15, 2025
AMD has yet to release drivers that support Microsoft’s DXR 1.2, leading the user to utilize Vulkan’s VK_KHR_cooperative_matrix for performance testing. This feature, already integrated into AMD’s RDNA 3 GPUs, enabled the RX 9070 XT to operate in DP4A mode. The results were striking: the RDNA 4 GPU achieved a 10% higher performance in Vulkan and an impressive 110% advantage in DX12 over the RTX 5080.
While these performance gaps may appear significant, it is essential to recognize that NVIDIA’s Blackwell preview drivers are not yet fully optimized for Cooperative Vectors. In contrast, AMD has excelled in their software optimization efforts. This indicates that a high-end GPU specification alone does not guarantee superior performance; rather, the effectiveness of drivers and software enhancements plays a critical role. This trend enabled the Radeon RX 9070 XT to surpass NVIDIA’s premium GPUs in various benchmarks.
Neural Text Compression (NTC) emerges as a key player in enhancing GPU performance at the software level. When RTXNTC is applied to rendering applications, it can result in a dramatic reduction—up to 90%—in VRAM consumption. Although mainstream adoption of this technique in gaming may take time, it represents a promising advancement in GPU technology.
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