Recent rumors suggest that AMD initially planned a high-end graphics card for its upcoming RDNA 4 lineup, potentially challenging Nvidia’s RTX 4090. Data mining uncovered information about this speculated card, although it seems that it may never see the light of day.
Referred to as Navi 4C or Navi 4X, details of this top GPU were found in a patch information for AMD’s GFX12 lineup, believed to be associated with RDNA 4. These revelations, shared by well-known hardware leaker Kepler_L2 on the Anandtech forums, hint at the performance capabilities of the rumored graphics card.
While specifics are not fully disclosed, key details such as the number of shader engines point to a high-end design. The potential GPU could have over 200 compute units (CUs) and employ a multi-chiplet architecture with three graphics compute dies (GCDs). This significant increase in CUs would have positioned it as a strong competitor in the market.
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If the rumored RX 8900 XTX had materialized, it could have posed a significant challenge to Nvidia’s RTX 4090 in raw performance. However, with Nvidia’s RTX 5090 on the horizon, AMD may have shifted its focus to more moderate GPUs for the upcoming generation.
While these leaked details offer intriguing insights, AMD has yet to confirm any specifics about this speculated GPU. Many indications suggest that it may not be part of the current lineup of graphics cards.
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