Yea, not just snapdragon and apple. Even intel and amd processors usually get paired with higher bandwidth soldered ram on many mobile offerings.
And on GPUs soldered VRAM has been a thing for a loooong time, with HBM memory being the prime example for what RAM close to the chip can do. AMD‘s Vega cards were highly sought after during the mining craze, even though they weren’t that fast in general computing, simply because their memory bandwidth was so beyond any other consumer cards…