While the official launch of AMD's RDNA 4 GPU architecture might not occur within 2024, leaked specifications suggest the lineup will include only two models: Navi 48 and Navi 44. This information, appearing on the X platform, aligns closely with AMD's current plans according to credible sources. The Navi 48 model is reported to feature 64 Compute Units, a 256-bit memory interface, and a memory bandwidth of 693 GB/s, potentially reaching up to an effective 2770GB/s. This GPU's die size is expected to be around 240mm². For comparison, the Radeon RX 7800 XT, powered by the Navi 32 GPU, occupies a larger area of 346mm², with 60 Compute Units and a slightly lower memory bandwidth of 624.1GB/s.

On the other hand, the Navi 44 GPU appears designed to succeed the Radeon RX 7600 series, boasting 32 Compute Units and a 128-bit memory interface, along with a memory bandwidth of 288GB/s. The estimated die size for Navi 44 is 130mm², presenting a more compact option compared to its predecessor, the Navi 33, which also has 32 Compute Units but a larger die size of 204mm². AMD's RDNA 4 GPUs are expected to support PCIe Gen 5 and continue using GDDR6 memory, ensuring compatibility with modern hardware standards. As the release date draws nearer, more detailed information about the RDNA 4 architecture and its offerings is anticipated to emerge.

Source: benchlife