Call of Duty Modern Warfare 4 Image © Call of DutyCall of Duty Modern Warfare 4 (Image © Call of Duty)

Driver 621.01 is designed to deliver optimized performance for a select group of games. By updating the driver, users can unlock the full potential of their GPU hardware in the following titles:

  • Phantom Blade Zero
  • Call of Duty: Modern Warfare 4
  • NBA 2K27
  • Cyberpunk 2077
  • Crimson Desert Enhanced: Charting the Unknown

The main goal of this update is to ensure that these titles function correctly with NVIDIA’s proprietary scaling and ray tracing frameworks.

Bug Fixes and Stability Issues

This version resolves several critical software conflicts that caused system instability or application crashes. The technical team has implemented fixes for the following specific cases:

Game-Specific Fixes

  • Wuthering Waves: A conflict has been resolved that caused the game to crash when DLSS frame generation was active in conjunction with NVIDIA Freestyle filters [Reference: 5747079].
  • Star Citizen: A stability issue that caused crashes when the application used the Vulkan API has been fixed [Reference: 6680590].
  • Surviving Mars: Relaunched: An infinite crash loop that occurred after installing the R595 drivers has been fixed [Reference: 5965452].

Hardware and Display Fixes

In addition to software-specific fixes, driver 621.01 includes updates for display hardware and peripheral connectivity to resolve sporadic errors.

Screen and Monitor Adjustments

  • 360 Hz QHD monitors: A bug was fixed that occasionally caused black screen flickering during active gameplay [Reference: 4846825].
  • 360 Hz G-SYNC Pulsar Monitors: A performance limitation has been resolved where frame rates dropped to 320 FPS despite the monitor’s higher rated performance [Reference: 6408986].

System and Peripheral Fixes

  • Meta Horizon Link: A connection issue has been resolved where streams would freeze on USB-based connections [Reference: 6292679].
  • ASUS Laptops: A hardware-specific issue affecting certain laptop models that caused the screen to dim intermittently after installing the R620 drivers has been resolved [Reference: 6807011].

Download: