An announcement from Lenovo about the firm's upcoming YOGA laptop lineup reveals the first laptops with AMD's Radeon 400 series video cards will start shipping in April. Some of the firm's new 14 inch YOGA 510 laptops will feature the AMD Radeon R5 M430 video card, whereas some 15 inch models will ship with the AMD Radeon R7 M460. These are low-end models that target price ranges of around 480EUR and 700EUR, respectively.
Not a lot of details are known about the cards, Lenovo only mentions that they have 2GB of video memory. VideoCardz speculates the R5 430M is a rebrand, the status o the R7 M460 is still unclear:
YOGA 510-14ISK notebook will ship with Radeon R5 M430 and YOGA 510-15ISK with R7 M460 graphics cards. The R5 430M is definitely a rebranded card, as for R7 M460 it is yet unclear. It is only said that M460 has 2GB memory on board. Both cards are paired with either Pentium or Skylake i7 CPUs.