It may be, but all new network capacity is being built on 5G so a phone without it will suffer more and more in performance, especially in crowded areas/events.

5G is absolutely insane. 100Mb/s for 20 USD/mo on a mobile phone in Hong Kong is absolutely mind-blowing. I suppose in low density areas like Tokyo, New York or Paris, it might be slower in some patches ?

I typically get around 300-600 Mbps on 5G, but in some areas I've seen speeds up to 1.3 Gbps (on NR, not even mmWave). This is in a Japanese city of pop 300,000

What are you doing on a handheld device screen that would blow your mind once the novelty of seeing the big numbers on speedtest app wore off? Genuinely curious- what can you do on 5G phone that you can’t on your 4G phone?

Run a faster hotspot.

Upload video, sync photos, backup the phone, watch 4k movies, etc

A reasonably frequent usage of this speed is for families to switch over to mobile internet as the primary service for your home, having multiple people watch "TV" and videoconference all while someone is gaming (or dowloading a 40 Gb game) all through a single 5G modem.

Among other things, 5G works better in crowds. And the faster your transfer finishes, the faster you can turn the antenna off and save power.

Able to get a consistent 1000Mb/s in Aus (Melbourne) outdoors. You're not wrong, it's wild to see in action!