PS5 Pro’s PSSR upscaler proves AMD FSR 4 can work on older Radeon GPUs

PlayStation architect Mark Cerny recently told Digital Foundry that a new, improved version of Sony’s PSSR upscaler utilizes 8-bit integer (INT8). Since the company developed PSSR and FSR 4 with AMD, Sony’s new variant likely incorporates technology that could expand FSR 4 to GPUs that do not officially support it.

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