I've been using
AMD Radeon Dual Graphics on my Asus Laptop X550ZE
I'm pretty sure my laptop specification could play Seal Online Blade of Destiny without frame drop/lag.
However, the FPS is very low, in the crowd i got only 8-12fps. Normally i can get around 30 fps.
Here is the model of my graphic card :
Memory : 2048 MBytes
The Seal Online Blade of Destiny detect AMD Radeon (TM) R6 Graphics as the Main graphic card.
Fyi, my laptop specification is :