Recent leaks revealed Nvidia's plans for the RTX 5090. It will reportedly have 50% increase in CUDA cores, 52% faster memory bandwidth through GDDR7, and a 15% increase in clock speed to over 3GHz.
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One of the biggest criticisms of Nvidia's current mid-range cards, like the RTX 4060 Ti, is that the GPUs are severely lacking, in terms of memory capacity and bandwidth. That may change soon.