Why it's incorrect graphics switching?

Features:
- ASUS c X554L Intel HD Graphics 5500 and NVIDIA GeForce 920M

Installed driver NVIDIA 440 version (the package nvidia) and optimus-manager-git (GUI optimus-manager-qt-git)

The output of the command lspci-k | grep -EA2 'VGA|3D':
00:02.0 VGA compatible controller: Intel Corporation HD Graphics 5500 (rev 09)
 Subsystem: ASUSTeK Computer Inc. HD Graphics 5500
 Kernel driver in use: i915
--
04:00.0 3D controller: NVIDIA Corporation GK208BM [GeForce 920M] (rev a1)
 Subsystem: ASUSTeK Computer Inc. GK208BM [GeForce 920M]
 Kernel driver in use: nvidia


xf86-video-intel is also installed and optimus-manager when switching graphics to NVIDIA and check with glxinfo in the string OpenGL renderer string shows the value of the GeForce 920M/PCIe/SSE2, direct rendering is also enabled, the corresponding field is set to Yes, but when testing using glxgears FPS does not rise above 60-65

How can I fix it?
April 9th 20 at 09:51
1 answer
April 9th 20 at 09:53
https://www.nvidia.ru/Download/driverResults.aspx/... download and update the driver and it is better to change to Windows

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