AMD Releases Radeon Software Adrenalin 2020 Edition 21.2.1 Driver

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AMD has released Radeon Software Adrenalin 2020 Edition 21.2.1. The latest driver improves the performance of Bloober Team’s recently released psychological horror game, The Medium, by up to 9 percent at the 4K High setting on Radeon RX 6800 XT graphics cards vs. the previous driver (21.1.1). The driver also fixes a variety of issues, such as crashing in Metro Exodus when DirectX Raytracing is enabled and screen flicker when using MSI Afterburner.

Radeon Software Adrenalin 2020 Edition 21.2.1 Highlights

Support For

The Medium

  • Up to 9% increase in performance in The Medium @ 4K High settings, with Radeon Software Adrenalin 2020 Edition 21.2.1 on the 16GB Radeon RX 6800XT graphics card, versus the previous software driver edition 21.1.1. RS-351

Fixed Issues

  • Display flicker or corruption may be experienced when two displays are connected to Radeon RX Vega series graphics products with at least one display set to a high refresh rate.
  • Screen flickering might be observed when using MSI Afterburner.
  • Radeon recording and streaming features may fail to enable on AMD Radeon HD 7800 series graphics products.
  • Some models may fail to render or may render incorrectly when using SketchUp on Radeon RDNA graphics products.
  • Some Samsung CRG9 series displays may experience a black screen when waking from sleep.
  • Metro Exodus may experience intermittent application crashes with DirectX Raytracing enabled.
  • Video playback on secondary displays may experience stutter while playing Doom Eternal on the primary display.

Known Issues

  • Hitman 3 may experience an application crash in the Apex Predator mission on Radeon RX 6000 series graphics products.
  • Radeon FreeSync may fail to enable in Forza Horizon 4.
  • AMD is currently investigating end user reports that Radeon Software may sometimes have higher than expected CPU utilization, even when a system is at idle. Users who are experiencing this issue are encouraged to file a bug report in Radeon Software.
  • Brightness flickering may intermittently occur in some games or applications when Radeon FreeSync is enabled, and the game is set to use borderless fullscreen.
  • Enhanced Sync may cause a black screen to occur when enabled on some games and system configurations. Any users who may be experiencing issues with Enhanced Sync enabled should disable it as a temporary workaround.


  • RS-351. Testing conducted by AMD Performance Labs as of Jan 28, 2021 on the 16GB Radeon RX 6800XT, using a test system comprising of AMD Ryzen 9 5900X CPU (3.7 GHz), 16GB DDR4-3200MHz memory, and Windows 10×64 with Radeon Software Adrenalin 2020 Edition 21.2.1 versus the previous driver edition 21.1.1 on The Medium @ 4k High settings. Performance may vary.

The Radeon Software Adrenalin 2020 Edition 21.2.1 installation package can be downloaded from the following links:

Tsing Mui
News poster at The FPS Review.

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