Rumor: NVIDIA GeForce RTX 5090 “Blackwell” GPU Features 2.9 GHz Boost Clock, 1.5 TB/s Bandwidth, and 128 MB of L2 Cache for a 1.7x Performance Improvement


New rumors regarding NVIDIA’s next flagship GeForce GPU have arrived courtesy of a leaker on China’s Chiphell forums. According to panzerlied, the GeForce RTX 5090, which is rumored to leverage NVIDIA’s new Blackwell architecture, will feature a range of improvements that include a 50% increase in scale, 52% increase in memory bandwidth, 78% increase in cache, and a 15% increase in frequency versus the GeForce RTX 4090. Those figures would imply that the GeForce RTX 5090 features over 20,000 CUDA cores, a 2.9 GHz Boost Clock, 1.5 TB/s of memory bandwidth, and 128 MB of L2 cache, delivering what the leaker claims is a 1.7x in performance improvement. Other rumors suggest that NVIDIA will be introducing a multi-chip module (MCM) design for some of its Blackwell GPUs.

The scale is increased by 50%, the memory bandwidth is increased by 52%, the cache is increased by 78%, and there is a 15% frequency increase and a

1.7X improvement.

This core architecture can be “broken” without major changes for another generation.

This is for comparison with 4090, not for comparison with AD102

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