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HDMI Scaling creates Input Lag while watching Youtube

Question asked by alexgarstad on Mar 2, 2019



I'm experiencing input lag on both monitors while using HDMI scaling (10% for proper size on my second monitor). The only time it happens is when I'm watching Youtube at higher than 480p resolution. I can watch 1080p while not using HDMI scaling but even 1% underscan creates lag. I recently upgraded my GPU and my previous system didn't experience this issue. Any thoughts?



GPU: RX480

OS: Windows 10 64-bit

Driver: Adrenalin 19.2.3

Dispaly (Primary): Samsung SMBX2250

Display (Secondary): Daytek QHTF42

Motherboard/BIOS: Gigabyte X470 Aorus Ultra Gaming/American Megatrends F6, 2019-01-25

CPU: Ryzen 5 2600

Power: Corsair VX550w

RAM: G.Skill 16GB DDR4 (2x8)