Amd optimize

[hussam haytham]

I have amd 

Radeon Software Version - 18.2.1
Radeon Software Edition - Adrenalin
Windows Version - Windows 10 (64 bit)
System Memory - 8 GB
CPU Type - Intel(R) Core(TM) i7-7500U CPU @ 2.70GHz
Radeon Settings Version - 2018.0131.1849.33856
Driver Packaging Version - 17.50.17.03-180131a-323831C-RadeonSoftwareAdrenalin
Provider - Advanced Micro Devices, Inc.
2D Driver Version - 8.1.1.1634
Direct3D® Version - 9.14.10.01316
OpenGL® Version - 6.14.10.13506
OpenCL™ Version - 23.20.15017.3010
AMD Mantle Version - 9.1.10.0237
AMD Mantle API Version - 102400
AMD Audio Driver Version - Not Available
Vulkan™ Driver Version - 2.0.1
Vulkan™ API Version - 1.0.65
Graphics Card Manufacturer - Powered by AMD
Graphics Chipset - AMD Radeon (TM) R7 M340
Device ID - 6900
Vendor ID - 1002
SubSystem ID - 832B
SubSystem Vendor ID - 103C
Revision ID - 83
Bus Type - PCI Express 3.0
Current Bus Settings - PCI Express 3.0 x4
BIOS Version - 015.049.000.017
BIOS Part Number - BR20775.001
BIOS Date - 2017/03/08 05:17
Memory Size - 4096 MB
Memory Type - DDR3
Memory Clock - 1000 MHz
Core Clock - 1021 MHz
Total Memory Bandwidth - 16 GByte/s
Memory Bit Rate - 2.00 Gbps
2D Driver File Path - /REGISTRY/MACHINE/SYSTEM/ControlSet001/Control/Class/{4d36e968-e325-11ce-bfc1-08002be10318}/0002
 

and I put all the graphics to low and low-end pc box , and i get from 20-40 fps and i have dropping fps .

how to run the game on amd graphic card because i think it is because i am running it on intel