Micron chart shows compute scaling ~3x per two years, HBM bandwidth under 2x
Chart from Raghu Sreeramaneni's Hot Chips 2026 memory tutorial plots normalized TFLOPS for TPU v3 through R200 against HBM2E through HBM4 on log scales, showing a widening gap. Compute rises roughly 3x every two years while HBM bandwidth grows under 2x.
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