Use integer scaling where supported to preserve crisp pixel edges in retro games without introducing fractional scaling blur.
Integer scaling enlarges each source pixel by a whole-number factor, helping preserve crisp pixel art. This guide targets Windows 11 25H2 gaming PCs and uses GPU or emulator settings where supported.
Open **Settings**, select **System**, then **Display**. Note the display's native resolution and keep the recommended setting selected while configuring integer scaling.
Open the control panel supplied by your GPU vendor and look for integer scaling or scaling-mode options. NVIDIA, AMD, and Intel expose different controls depending on the GPU and driver version.
Select the supported integer-scaling mode in the GPU control panel and apply it. Keep other scaling options at their defaults until you confirm the game renders correctly.
Open the game's video settings or the emulator's graphics settings. Choose a supported low-resolution render mode and enable integer scaling or nearest-neighbor scaling if available.
Use a scale factor that fits inside the display's native resolution. For example, a 320 by 240 image scales to 960 by 720 at 3x, while 4x requires 1280 by 960.
Test a game with small text and sharp pixel edges. Compare the integer-scaled result with the game's normal fullscreen mode, and keep the option that preserves the intended aspect ratio and image clarity.
Check your exact GPU model, driver branch, and vendor documentation. Use emulator-level integer scaling or nearest-neighbor filtering if supported.
This is expected when a whole-number scale does not fill the display. Choose a different integer factor or keep the original aspect ratio.
Disable bilinear filtering or other smoothing in the emulator where appropriate, verify the render resolution, and check that another scaling layer is not applying fractional resizing.
Restore the original aspect ratio and verify the source resolution. Do not stretch a low-resolution image solely to fill the panel.
Not necessarily. It is primarily an image-scaling technique, although rendering at a lower resolution can reduce GPU workload.
No. Availability depends on the GPU driver, application, and rendering path.
It is especially useful for pixel-art and low-resolution retro content. Modern 3D games may benefit more from other scaling techniques.
Return to the GPU control panel and restore the previous scaling mode. Reset the game's or emulator's resolution and filtering options to their original values, then restore the display's recommended resolution in Windows if it was changed.
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