AMD Confirms Radeon RX 9050 4GB Specs: 64-bit and 16MB Infinity Cache

AMD’s RX 9050 4GB: A Heavily Cut-Down OEM Card

AMD has finally published the full specifications for its Radeon RX 9050 4GB, confirming a model that was first spotted through ASRock last month. The company has now added a dedicated product page following the card’s appearance in the Radeon Software Adrenalin 26.8.1 driver release notes.

AMD Confirms Radeon RX 9050 4GB Specs: 64-bit and 16MB Infinity Cache
AMD Confirms Radeon RX 9050 4GB Specs: 64-bit and 16MB Infinity Cache

The Radeon RX 9050 4GB is an OEM-only product, meaning it will only be available in pre-built systems—not as a standalone retail graphics card. AMD previously confirmed that this configuration was developed for a partner system and that there are no plans to offer it separately.


Same GPU, Halved Memory and Cache

The GPU configuration itself is unchanged from the Radeon RX 9050 8GB. Both models feature:

  • 16 Compute Units
  • 1,024 Stream Processors
  • 16 Ray Accelerators
  • 32 AI Accelerators
  • 1,920 MHz game clock
  • Up to 2,600 MHz boost clock
  • 92W Typical Board Power

However, the memory subsystem tells a very different story. The Radeon RX 9050 4GB uses 18 Gbps GDDR6 across a 64-bit interface, providing just 144 GB/s of bandwidth. The standard 8GB model has a 128-bit interface and 288 GB/s bandwidth—meaning both memory capacity and bandwidth are cut by exactly half.

AMD has also confirmed that Infinity Cache is reduced from 32MB on the 8GB card to just 16MB on the 4GB version. This detail was not available from ASRock’s original listing, which had already confirmed the 4GB capacity and 64-bit bus.


A Card for Basic Display Output, Not Gaming

SpecificationRX 9050 4GBRX 9050 8GB
Compute Units1616
Stream Processors1,0241,024
Memory4GB GDDR68GB GDDR6
Memory Bus64-bit128-bit
Bandwidth144 GB/s288 GB/s
Infinity Cache16 MB32 MB
TBP92W92W
AvailabilityOEM onlyRetail (select regions)

With only 4GB of VRAM and a 64-bit memory bus, the RX 9050 4GB is aimed at basic display output rather than gaming. Modern games at 1080p with medium settings can easily exceed 4GB of VRAM usage, and the halved memory bandwidth would severely limit performance in any graphically demanding title.

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The Bottom Line

The Radeon RX 9050 4GB is a heavily cut-down version of the entry-level RDNA 4 GPU, designed for OEM systems where a cheap display output is more important than gaming performance. The 8GB version remains the only option for budget-conscious gamers—and even that is a limited release, available only in Asia-Pacific, Japan, and Latin America.

Source: AMD

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