That 32 GB is not a typical stick. It’s a unified memory on SoC like how it is in smartphones. It affects performance significantly. You can read more about how they work and how they are different here:

https://www.howtogeek.com/701804/how-unified-memory-speeds-u...

Also it was mentioned, if I’m not mistaken, that the SSD has 7.5 Gb/s read, which is actually pretty good.