Help Reducing input lag

[griffindodd]

Hi All,

 

I have a pretty well spec'd cabinet that I built myself. My framerates are very clean and smooth without stutter on the ball or any weird hangs/pauses in games.

Software: VPX 10.8b7, VPinMAME 3.6, B2S 2.1.0, FlexDMD 1.9.0, Freezy 2.2.1, Pinup Popper 1.5
Cabinet: PF: Sony X85K 4k 120hz Portrait, BG/FullDMD: 1080p LCD, Topper: UHD LCD 
Computer: Ryzen 9 5900X, 64GB, RTX 4080 Super, NVME, Win 11

 

Even though my main screen, a SONY X85K, has a factory spec of 7.0ms input lag at 4k/120hz in game mode, my flippers seem to be closer to what feels like 100ms or so. Doesn't sound like a huge amount but of course it can have a significant effect on shots and does have a negative effect on gameplay for me at least.

 

I am using a generic USB keyboard encoder for my buttons, which certainly could be contributing to the problem. I was wondering if there are any other things I should be looking at as far as configuration is concerned before I start changing out hardware.

Thanks

Edited April 15, 2025 by griffindodd

[Cliffy]

Try changing your input api in vpx prefs to xinput- since you're running windows

Edited April 16, 2025 by Cliffy

[griffindodd]

1 hour ago, Cliffy said:

Try changing your input api in vpx prefs to xinput- since you're running windows

Thanks Cliffy that does seem a little better, i also turned off vsync and went to frame pacing ans updated to 10.8.0 Release. now if i can just stop my video driver crashing at 120hz i will be golden.