I looked into that topic recently and found a breakdown that compares these approaches quite clearly. It shows that non-custodial means your funds stay in your own wallet instead of being held by the platform. There is also a focus on transparency, since pricing and execution are tied to on-chain processes. Another difference is that the platform uses only cross margin, so all trades share one balance. It is also mentioned that there are no KYC steps or regional restrictions involved. I saw all these points explained here
https://bitsgap.com/blog/trade-evede...ized-trading-2 which made the comparison easier to follow. It helped me see how this setup differs from the usual exchange model.