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AMD rumored to be cooking 'Ultimate Navi 48' GPU: perf between RTX 5070 Ti and RTX 5080

AMD is reportedly preparing an 'Ultimate Navi 48' SKU: this could be the Radeon RX 9070 XTX or the RX 9070 XT Ultimate, tweaked RDNA 4.

AMD rumored to be cooking 'Ultimate Navi 48' GPU: perf between RTX 5070 Ti and RTX 5080
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TL;DR: AMD is reportedly developing an "Ultimate Navi 48" graphics card, potentially launching in Q2 2025, positioned between NVIDIA's GeForce RTX 5070 Ti and RTX 5080.

AMD is reportedly cooking up a tweaked RDNA 4 card that AIB partners have teased is being called "Ultimate Navi 48" behind the scenes, and now we're hearing leaks about it just as Radeon RX 9070 series graphics cards are hitting shelves.

AMD rumored to be cooking 'Ultimate Navi 48' GPU: perf between RTX 5070 Ti and RTX 5080 90

In a new video from leaker Moore's Law is Dead, a US retailer source of his said that he was told AIBs have been briefed on a potential "Ultimate Navi 48" SKU that could launch in Q2 2025 (in the next few months) that would be aimed solidly between NVIDIA's new GeForce RTX 5070 Ti and RTX 5080 graphics cards.

We don't know what RDNA 4 GPU clock speeds to expect, whether we'll see more VRAM (24GB, 32GB), or whether it'll be a highly-tuned, pushed-to-its-limits Radeon RX 9000 series GPU. We could expect higher GPU clocks of somewhere between 3.2GHz and 3.4GHz, higher GDDR6 memory clocks, and a more unleashed TDP of higher than 340W for the "Ultimate Navi 48" SKU.

Now... what should we expect AMD to call this Ultimate Navi 48 GPU? The Radeon RX 9070 XT and RX 9070 are here, so the Radeon RX 9070 XTX (the extra "X" is Ultimate) or better yet, the Radeon RX 9070 XT Ultimate just... sounds right. If AMD is indeed cooking up a tweaked "Ultimate Navi 48" SKU, it would be nice to see that "Ultimate" nomenclature in the flesh.

NVIDIA's new GeForce RTX 5080 is selling for double the price of the Radeon RX 9070 XT, so AMD has some room to fill with a Radeon RX 9070 XT Ultimate Edition, that's for SURE.

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Anthony joined TweakTown in 2010 and has since reviewed 100s of tech products. Anthony is a long time PC enthusiast with a passion of hate for games built around consoles. FPS gaming since the pre-Quake days, where you were insulted if you used a mouse to aim, he has been addicted to gaming and hardware ever since. Working in IT retail for 10 years gave him great experience with custom-built PCs. His addiction to GPU tech is unwavering and has recently taken a keen interest in artificial intelligence (AI) hardware.

Anthony's PC features Intel's Core i5-12600K paired with the GIGABYTE Z690 AERO-G, Corsair's 32GB DDR4-3200, and NVIDIA's GeForce RTX 4090 FE. It runs Sabrent's Rocket 4 Plus 4TB with Windows 11 Pro, housed in Lian Li's O11 Dynamic XL, and powered by ASUS's ROG Strix 850W. Accessories include the Logitech G915 Wireless keyboard, Logitech G502X Wireless mouse, and LG C3 48-inch OLED TV 4K 120Hz monitor.

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