How to Reduce Lag and Stuttering FPS in Hearthstone (Desktop Version)
285This video will show you how to reduce lag and stuttering frames per second in Hearthstone using a few solutions compiled from online forums, Reddit, etc. Note that some of these solutions would only works on a Windows computer.
• Disable Streaming on Battle.net
Underneath the Hearthstone logo, click on Options and a drop-down menu should appear. Select Game Settings and click on the Streaming tab. Uncheck Enable Streaming. This should help reduce the lag a bit.
• Enable Additional command line arguments in Battle.net
Within Settings, click on the Game Settings tab and check Additional command line arguments. If already checked, enter in this command -force-d3d9 Click done and restart the launcher. This should force the game to run on Direcx9, which can help reduce the lag.
If all else fails, click on another game window when starting up Hearthstone. This game window should not have any special animations or embedded video or live stream. For this example, I’ve click on Warcraft III Reforged. My guess is that the special animations and embedded video can take up resources, impacting the overall performance of the game. It may not help, but it doesn’t hurt to try. Otherwise, just close out Battle.net once you launched Hearthstone by pressing ALT+Tab and closing it out.
• Alter game resolution and framerate (https://us.battle.net/forums/en/hearthstone/topic/20753717897)
a) Locate Hearthstone’s options file by going to:
C:\Users\[Username]\AppData\Local\Blizzard\Hearthstone.
Within notepad, add in the following:
targetframerate=144
showfps=True
vsync=0
graphicsheight=480
graphicsquality=0
graphicswidth=640
These can be placed anywhere in the document. From the forum post, it suggest that the targetframerate should be 144, but on my hardware it worked best around 30fps or lower.
(https://us.battle.net/forums/en/hearthstone/topic/20753717897)
• Windows Game Settings
Open Settings by pressing Windows Key + I. Then, click on Gaming. On the right side of the window, there should be something called Graphics Settings, click it. Click the browse button and locate Hearhtstone’s .exe file. It is usually located in C:\Program Files (x86)\Hearthstone. Click on Options and select High Performance.
• Windows Defender
If all else fails, then disable any antivirus program currently running in the background.
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