First, if this is a laptop and not a Desktop with a laptop Processor, you need to install the APU (A10-5745M) Driver. This Driver will automatically install both the Integrated GPU and separate discrete GPU in your laptop.
Your APU is considered to be legacy and not supported by AMD with any more driver updates. The ones you mentioned are correct. One is WHQL (2015) and the other is a BETA (2016). You can download it from here: A10-4655M with Radeon™ HD 7620G Drivers & Support | AMD
It is best to use your Laptop Manufacturer's Support Drivers rather than the AMD Generic laptop drivers unless they are older than 2015.
Many times when installing AMD Generic driver it will show a different GPU than what your laptop has. But it is the same driver for your laptop GPU and is compatible.
Using your Manufacturer's Laptop GPU Drivers will show the correct GPU you have installed in your laptop.
Here is AMD's procedure to correctly install laptop GPU drivers: Laptop graphics update...How to
NOTE: Download a small free program called GPU-Z. That will tell you exactly what GPUs you have installed.