'CUDA cores' are a marketing scam since Kepler: SM count is the only metric that matters
blelbach · x · 2026-10-10
blelbach spotlighted a thread arguing that 'CUDA cores' have been meaningless marketing since Kepler: the GTX 580 → 680 transition halved SM count and dropped shader clock 2x while 'cores' tripled from 512 to 1536, with performance up only 30%. The takeaway: compare GPUs by SM count, not the vendor-marketed core figure.
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