The 2400G has the most powerful integrated graphics, but it does seem to be a bit slower than the hyped-up rumors from a couple of weeks ago. If the results below are trustworthy, the 2400G is definitely quite a bit slower than the NVIDIA GeForce GT 1030, and nowhere near the AMD Radeon RX 550.
The Ryzen 5 2400G may be a good choice if you can’t find the graphics card you want (considering the fact that most are overpriced or not in stock these days). When the mining craze ends, you should be able to add discrete graphics with ease. A temporary solution of RX Vega 11 should get you through those hard times, as demonstrated by an early adopter from China.
The video shows 3DMark FireStrike, FireStrike Extreme, TimeSpy, Cinbench MT, World of Tanks, World of Warships and some other MMO RPG game performance.