ASRock Radeon RX 9050 4GB halves memory bandwidth to 144 GB/s

ASRock has added a 4GB version of the Radeon RX 9050 Challenger to its lineup, creating a sharper price-performance divide for entry-level gamers. This new model halves the memory capacity and bus width compared to the existing 8GB variant, which raises questions about its viability in modern gaming. ASRock has introduced a lower-cost variant of the Radeon RX 9050 Challenger with 4GB of memory, a configuration that may restrict performance in modern games.

New entry-level GPU cuts memory bus width to 64-bit

The new graphics card shares the same Navi 44 GPU die as its 8GB sibling, featuring 16 compute units and 1,024 stream processors. ASRock lists the Radeon RX 9050 Challenger 4GB as a distinct SKU, maintaining the same memory speed of 18 Gbps found in the larger version. The core architecture remains unchanged, but the reduction in memory resources fundamentally alters the card's capabilities.

Specifications

• GPU Die: Navi 44
• Compute Units: 16
• Stream Processors: 1,024
• Memory Capacity: 4GB
• Memory Bus Width: 64-bit

The most significant technical change is the memory bus width, which drops from 128-bit to 64-bit to accommodate the smaller 4GB capacity. This reduction cuts the memory bandwidth in half, lowering it from 288 GB/s to 144 GB/s. While the compute performance remains identical to the 8GB model, the narrower bus and smaller frame buffer will likely impact performance in memory-intensive applications and games.

ASRock has not listed pricing, specific availability regions, or thermal design power (TDP) for the 4GB variant, though it appears to follow the 8GB model's regional strategy. The 8GB version was confirmed for Asia-Pacific and Latin American markets only, suggesting the 4GB card will target similar regions. It is difficult to imagine the target buyer for the RX 9050 4GB given that 8GB is already insufficient for many modern games, making the exact market positioning unclear.

ASRock's listing confirms the existence of a cut-down RX 9050 variant with specific hardware limitations. The 4GB model offers the same core GPU performance as the 8GB version but with significantly reduced memory bandwidth and capacity. Until pricing and regional availability are disclosed, the practical value of this card for consumers remains uncertain.

Source: NotebookCheck