If the budget allows, then it should definitely be the 705 model. However, the price of the 705 is currently quite stable, and even in the domestic market, it's already over 8,000 RMB.
The X6200 is quite rare to find for sale, and I heard it's priced around $4,000.
The price difference between these two radios is quite significant. However, newcomers will definitely find QRP challenging; experienced users like [New B] already have a good understanding of it.