AMD unveils new RDNA3-based Radeon RX 7900 graphics cards with up to 24GB starting at $899

AMD announced tonight its next generation of graphics cards for gamers, the Radeon RX7900XT Y XTX. Both derive from the RDNA3 architecture, a vastly improved version of RDNA2 downscaled to 5nm using a TSMC process. Its purpose is to facilitate gaming at 4K and 8K, following in the footsteps of the latest RTX 4000 thanks to a new card design in chiplet which is somewhat inspired by Ryzen CPUs to provide greater flexibility.

In its XTX version, the most powerful of all, the Radeon RX 7900 exhibits some truly remarkable figures. We’re talking about a GPU with up to 58 billion transistors, support for 24GB of GDDR6 VRAM, and a 54% increase in power per watt, which AMD says exceeds its own initial goals. On the other hand, something necessary if the company wanted to regain lost ground against Nvidia.

The new Radeon RX 7900 not only incorporate a more powerful GPU. RDNA3 also ushers in the second generation of Infinity Cache technology, which reduces internal processing latency and provides bandwidth of up to 5.3 TB/s. It also provides decoupled clocks (2.3 GHz for shaders and 2.5GHz on front end) and more flexible Compute Units, as they have two AI accelerator units per CU to provide almost triple the performance compared to previous models (x2.7).

The improvement in CUs is especially important when it comes to processing advanced video effects such as ray tracing, which currently has a marginal importance within the repertoire of technologies supported by AMD. Possibly now it will enjoy a greater predicament, since the company ensures that the processing of ray tracing of the CU is accelerated no less than 50%, making it possible to use it in a greater number of titles and situations.

Likewise, the general performance (up to 61 TFLOPS, when RDNA2 peaked at 23 TFLOPS) and video acceleration are also noteworthy, with a dual engine that manages simultaneous compression and decompression. AMD estimates that its performance is almost double that of RDNA2 (x1.8), making its new RX 79000 cards more appetizing for professional use.

Finally, in terms of connectivity, all the new Radeon RX 7900s support up to 480 Hz and DisplayPort 2.1, a standard that will begin to appear in commercial monitors at the beginning of 2023. But what for some may be just as important: the interface of power (two 8-pin PCIe connectors) is unchanged from previous cards. A circumstance that AMD has veiled to throw a dart at NVIDIA.

The AMD Radeon RX 7900 XT and XTX will be available on December 12 with US prices of $899 and $999, respectively. For now the Spanish rates are unknown.