my performance, i had add it there too.
Engine Version: 4.8.1
System Model:Acer Espire
Graphics Card:AMD r265
Operating System:Windows 8.1
System Resolution During Test: Desktop Full HD 1920x1080
default
SCALABILITY SETTINGS
Resolution Scale:76%
View Distance:Far
Anti-Aliasing:High
Post Processing:High
Shadows:High
Textures:High
Effects:High
Editor Viewport FPS:77
Play in Viewport FPS:76
Epic
SCALABILITY SETTINGS
Resolution Scale:100%
View Distance:Epic
Anti-Aliasing:Epic
Post Processing:Epic
Shadows:Epic
Textures:Epic
Effects:Epic
Editor Viewport FPS:78
Play in Viewport FPS:75