Search Issue Tracker
Active
Votes
1
Found in
2017.4
2019.3.0f1
2020.1
Issue ID
1205126
Regression
No
DirectX12 performance is worse compared to DirectX11 and Vulkan
How to reproduce:
1. Open attached project ("DrawCallPerf.zip")
2. Open SampleScene scene
3. In Game window Enable stats and Maximize On Play in the top right corner
4. In Project Settings window, Player tab, disable Auto Graphics API for windows option (Edit->Project Settings->Player)
5. Set Graphics API to Vulcan
6. Enter Play mode
7. Observe FPS (ms) in the Statistics panel
8. Set Graphics API to DirectX11
9. Enter Play mode
10. Observe FPS (ms) in the Statistics panel
11. Set Graphics API to DirectX12
12. Enter Play mode
13. Observe FPS (ms) in the Statistics panel
Expected result: All Graphics APIs should have similar performance
Actual result: DirectX12 performance is worse more than twice compared to Vulcan and DirectX11
- D11: 232fps, 4.3ms | D12: 111fps, 9.2ms | V: 225fps, 4.5ms
Reproducible with: 2017.4.35f1, 2018.4.15f1, 2018.4.15f1, 2019.3.0f4, 2020.1.0a18
All about bugs
View bugs we have successfully reproduced, and vote for the bugs you want to see fixed most urgently.
Latest issues
- “Default Scene” dropdown field contains a spelling mistake “Default Builtin”
- Editor crashes on PPtr<Mesh> after adding Text Mesh and Cloth Components to the same GameObject
- Previously deleted “DefaultLookDevProfile“ is present when upgrading the Editor version
- [Ubuntu] UI text and buttons are missing spaces in Unity Version Control > New Workspace window
- "Inherit attribute is not supported" warning is shown but attributes are available in VFX Graph Output and Update blocks
Add comment