RTX 5090 Rumors: GDDR7, 384-bit Bus, Blackwell Core

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Insider information shared under a veil of anonymity on the social platform X (formerly known as Twitter) suggests that Nvidia is preparing a new flagship in the GeForce line, potentially titled the RTX 5090. The leaks come from a figure operating under the alias kopite7kimi, whose posts circulate within tech rumor communities and have previously touched on high-end GPU releases.

The rumor claims that the RTX 5090 will introduce a new generation of video memory, namely GDDR7, mounted on a 384-bit memory bus. Reported data transfer rates on this bus reach up to 1.5 terabytes per second, which would represent a significant leap over the capabilities of today’s RTX 4090. At the same time, the temperature of the memory ecosystem could be tempered by a slower clock speed for GDDR7 compared with GDDR6X, potentially affecting peak memory bandwidth efficiency under certain workloads.

According to the chatter, the RTX 5090 could be powered by a GB202 GPU built on Nvidia’s Blackwell architecture. This hypothetical chip is described as having 192 execution units, roughly translating to around 24,567 CUDA cores in a straight calculation, though it remains plausible that Nvidia may underutilize portions of the AD102-like resource pool in the final product lineup. The example of the RTX 4090, which doesn’t exhaust the entire capacity of the AD102 chip, is often cited to illustrate such sequencing of design decisions.

Industry speculation extends to the possibility that Nvidia will deploy the Blackwell architecture across both dedicated accelerators and gaming graphics cards. It is expected that the specific configurations will vary by market segment, with performance and power targets tailored to different tiers of consumer and professional use. The exact launch timing and the total number of models in the GeForce RTX 50 series have not yet been disclosed, leaving room for multiple permutations before formal announcements.

Earlier signals from the broader hardware community reference a shift in Nvidia’s roadmap that could align with a longer-term emphasis on unified architecture across product lines. While official confirmation remains pending, analysts point to a pattern of incremental gains in memory bandwidth and core counts that typically accompany a flagship refresh. As always, the true specifications will emerge closer to an official unveiling, when Nvidia confirms the architectural choices, memory configuration, and model lineup for the next generation of GeForce GPUs.

Meanwhile, the broader ecosystem around the RTX 50 series continues to evolve. Game developers and engine creators monitor how new architectural features translate into real-world performance, especially in ray tracing, AI-assisted rendering, and high-resolution gaming workloads. The speculation underscores the ongoing push toward higher memory bandwidth, more capable CUDA core dispatch, and improved efficiency after years of rapid innovation in the GPU space.

In summary, while nothing has been confirmed, the confluence of rumored memory advancements, architectural hints, and the pattern of Nvidia’s recent launches paints a plausible picture of a substantial leap with the RTX 5090 and the GeForce RTX 50 series on the horizon. Enthusiasts and professionals alike await official details to assess the practical impact on gaming experiences, content creation workflows, and AI-driven graphics tasks across the North American market.

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