In large part because with the iPhone Pro (Max) you can run 10 Gps data rates with the proper USB 4 or Thunderbolt 4 cable.
I have the 15 Pro Max. I yearly upgrade because the modems and RF electronics are substantial annual upgrades. I live in NYC with skyscrapers, subways, underground parking garages, cell tower congestion during certain parts of the day. Also, I attend busy conferences, drive on highways, and take trains. In each of these cases one can encounter weak signals. The X70 Qualcomm modem and RF electronics are a substantial upgrade over the iPhone 14 Pro Max. The iPhone 15 Pro (Max) does better in weak signal conditions than the new 2023 Samsung s23.
"The iPhone 15 Pro Max also performed better in low-signal regions, measuring speeds of 21Mbps down and 14Mbps up compared with the S23 Ultra's 17Mbps down and 9.3Mbps up in the same spot."
"The phone did well when tested at the Wi-Fi network's edge, where it peaked at 8.1Mbps down against the S23's 6.35Mbps."
I have the 15 Pro Max. I yearly upgrade because the modems and RF electronics are substantial annual upgrades. I live in NYC with skyscrapers, subways, underground parking garages, cell tower congestion during certain parts of the day. Also, I attend busy conferences, drive on highways, and take trains. In each of these cases one can encounter weak signals. The X70 Qualcomm modem and RF electronics are a substantial upgrade over the iPhone 14 Pro Max. The iPhone 15 Pro (Max) does better in weak signal conditions than the new 2023 Samsung s23.
"The iPhone 15 Pro Max also performed better in low-signal regions, measuring speeds of 21Mbps down and 14Mbps up compared with the S23 Ultra's 17Mbps down and 9.3Mbps up in the same spot."
"The phone did well when tested at the Wi-Fi network's edge, where it peaked at 8.1Mbps down against the S23's 6.35Mbps."
https://www.pcmag.com/reviews/apple-iphone-15-pro-max