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Scan for outdated or missing drivers - takes under a minuteDriver Scan →Clear out junk files and repair common Windows errorsFree Scan →Fix the driver behind crashes, sound loss and screen glitchesFind Drivers →Short answer: AMD’s 2024 ROCm changes exposed two RDNA 4 discrete-GPU targets: Navi 44, identified as gfx1200, and Navi 48, identified as gfx1201. That was credible evidence of two principal GPU dies—not proof that AMD would sell only two Radeon cards. Later products confirmed the basic reading: Navi 48 underpins the Radeon RX 9070 family and Radeon AI PRO R9700 products, while Navi 44 underpins the RX 9060 family.
What the ROCm update actually revealed
ROCm is AMD’s open GPU-computing stack, including compiler, runtime and programming components. Its source code and hardware-support tables often expose internal GPU target identifiers before a chip is formally announced.
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The important 2024 additions were the Navi codenames and their LLVM/ROCm targets:
| GPU codename | ROCm target | Later association |
|---|---|---|
| Navi 44 | gfx1200 |
RDNA 4; Radeon RX 9060-series products |
| Navi 48 | gfx1201 |
RDNA 4; Radeon RX 9070-class and Radeon AI PRO R9700 products |
The signal was stronger than the word “Navi” alone. RDNA 3 targets use the gfx11xx family, while these entries moved to gfx12xx, consistent with a new architecture generation. Contemporary coverage documented the additions in PCGamesN, Tom’s Hardware and VideoCardz.
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Why two targets did not mean two graphics cards
In GPU terminology, a “GPU” in a software target list generally means a silicon design or architecture target. It does not necessarily mean one retail model. AMD can manufacture one die and sell several products by disabling blocks, changing memory configurations, setting different clocks or validating the silicon for different markets.
That distinction explains how two RDNA 4 dies could support a substantially larger lineup:
- A cut-down card can use the same die as a faster card.
- Compute units, shader engines, cache segments or memory controllers can be disabled.
- Different memory capacities, firmware and power limits create separate product tiers.
- Professional cards can share gaming silicon while using different validation, drivers and software positioning.
- Mobile and low-profile versions can use another configuration without requiring a third discrete die.
Therefore, “two GPUs only” was a reasonable shorthand for two known discrete designs, but it was wrong if read as “only two Radeon products.”
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Supported directly by the ROCm evidence
- Navi 44 and Navi 48 existed as AMD GPU targets.
- They were associated with
gfx1200andgfx1201, respectively. - The targets were plausibly part of the then-unannounced RDNA 4 generation.
Reasonable, but unproven, inferences
- Navi 48 would be the larger design and Navi 44 the smaller one.
- Both would appear in consumer Radeon products.
- AMD would not release a higher-end RDNA 4 gaming die.
- The retail generation would be called Radeon RX 8000.
The last assumption demonstrates the limit of such leaks. AMD ultimately launched the consumer generation as Radeon RX 9000, not RX 8000. AMD’s architecture overview is at amd.com/en/technologies/rdna.html, while model-level reference data is in the Radeon RX 9000 quick-reference guide.
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How Navi 44 and Navi 48 mapped to released products
AMD’s later ROCm documentation made the two-die interpretation much clearer. Current release materials associate gfx1201 with the Radeon RX 9070 XT, RX 9070 and RX 9070 GRE, as well as Radeon AI PRO R9700-family products. The gfx1200 target covers Radeon RX 9060-series products, including the RX 9060 XT, RX 9060 and RX 9060 XT LP where listed by the relevant release.
Support lists are release-specific: products can be added over time, and availability can differ by operating system. Check the current ROCm release notes and the Radeon compatibility table rather than treating one historical list as permanent.
How AMD produced many models from two dies
AMD later described a flexible, modular approach in which asymmetric harvesting and block-level configurations created multiple products without introducing a new die. Navi 48 is the larger design associated with the RX 9070 class; Navi 44 is the smaller design associated with RX 9060 products. Within either family, differentiation can come from:
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- the number of enabled compute units and shader engines;
- memory-controller and memory-capacity choices;
- clock and power limits;
- consumer or professional firmware and validation;
- desktop, mobile or low-profile board designs.
This strategy improves manufacturing flexibility: partially defective dies can become lower-tier products, while fully enabled parts serve higher tiers. It also means a product name, specification sheet or performance tier should not be treated as evidence of a separate physical chip.
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Tom’s Hardware detailed AMD’s two-die product strategy in its RDNA 4 analysis; PC Gamer provided additional modular-architecture context at pcgamer.com.
What happened to the high-end flagship?
The two-die reading eventually aligned with AMD’s product strategy: RDNA 4 concentrated on upper-midrange and mainstream Radeon products rather than launching an ultra-high-end consumer flagship above the RX 9070 class. That strategic outcome was not proved by the original ROCm patch. The patch showed targets; only subsequent announcements and products established the market positioning.
Likewise, the ROCm entries did not reveal core counts, clocks, die sizes, prices, launch dates or performance. For example, AMD’s reference specification for the RX 9070 XT lists 64 RDNA 4 compute units, 4,096 stream processors, 16GB of GDDR6 and a 256-bit interface, but those figures describe that model and must not be generalized to every Navi 48 product.
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- May 23, 2024: reporting identified Navi 44 and Navi 48 in AMD ROCm-related material.
- 2024: the targets were associated with
gfx1200andgfx1201. - February 28, 2025: RDNA 4 reached the market in the Radeon RX 9000 generation, according to current reference material.
- 2025 onward: ROCm releases progressively added RDNA 4 products, including RX 9060 support in ROCm 7.0.2.
- ROCm 7.x: current documentation lists Radeon 9000-series products under the
gfx1200andgfx1201targets.
What this means for ROCm users and buyers
A GPU appearing in ROCm documentation is evidence of software targeting, not a guarantee that every framework or feature is equally mature. Linux, Windows and WSL have different support boundaries, and framework coverage can differ among PyTorch, TensorFlow, JAX, ONNX Runtime and vLLM.
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- Verify the exact ROCm release, operating system and driver requirements.
- Check whether your framework officially supports the GPU target, rather than relying only on a general compatibility table.
- Look for preview or limited-status notes before planning production workloads.
- Separate gaming-driver support from ROCm compute support.
- Do not assume that a Radeon with excellent gaming performance provides Nvidia-level CUDA compatibility.
The version-specific ROCm compatibility matrix is useful for checking platform limitations, while ROCm 7.0.2 release notes show how support expanded over time. ROCm itself is an open-source stack documented at github.com/ROCm/ROCm; it is not a subscription service.
The verdict on the original “two GPUs” claim
The ROCm update was directionally right but easy to overstate. It identified two known RDNA 4 discrete GPU designs: Navi 44 and Navi 48. Later products validated the mappings to gfx1200 and gfx1201, with multiple Radeon RX 9000 and Radeon AI PRO products built from those designs.
It did not prove that AMD would sell only two graphics cards, that the generation would be named RX 8000, that Navi 48 was a confirmed flagship or that no additional RDNA 4 derivative could ever exist. The most accurate reading is: two known principal dies, many possible products, and an incomplete roadmap.
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