To optimize Call of Duty: Black Ops 6 for portable handhelds like the ROG Ally, Steam Deck (Windows), and Lenovo Legion Go, the goal is to balance visual clarity with a stable 60–100 FPS. Use the following settings as a baseline for the best experience. Handheld Hardware Configuration

VRAM Scale Target: Set to 80 to ensure the game has enough memory without starving the system.

II. Graphics Quality: Stripping the Excess

Texture Resolution: Normal (if you have increased your VRAM allocation to 6GB+) or Low for standard configurations.

For a portable handheld device like the ASUS ROG Ally, Steam Deck, or Lenovo Legion Go, the best settings for Call of Duty: Black Ops 6

Part 3: Quality Presets (The FPS Gains)

This is where you save battery and gain frames. For m portable, "High" settings are a trap. "Low" is your friend, but not everything needs to be low.

by using a mix of low and normal settings combined with upscaling. Handheld Optimization: Graphics & Display