Marketing: M5 announcement [1] says 4x the peak GPU compute performance for AI compared to M4. I guess in the lab? Both iPad and MBP M5 [2][3] say "delivering

Marketing: M5 announcement [1] says 4x the peak GPU compute performance for AI compared to M4. I guess in the lab? Both iPad and MBP M5 [2][3] say "delivering up to 3.5x the AI performance". But all the examples of AI (in [3]), they are 1.2-2.3X faster than M4. So where this 3.5X is coming from? What tests did Apple do to show that? --- 1. https://www.apple.com/newsroom/2025/10/apple-unleashes-m5-the-next-big-leap-in-ai-performance-for-apple-silicon/ https://www.apple.com/newsroom/2025/10/apple-unleashes-m5-th... 2. https://www.apple.com/newsroom/2025/10/apple-unveils-new-14-inch-macbook-pro-powered-by-the-m5-chip/ https://www.apple.com/newsroom/2025/10/apple-unveils-new-14-... 3. https://www.apple.com/newsroom/2025/10/apple-introduces-the-powerful-new-ipad-pro-with-the-m5-chip/ https://www.apple.com/newsroom/2025/10/apple-introduces-the-...