[SOLVED] E530 HD 4000 outperforming 635 M GT and GT 635 M by dragging down performance (Dota 2)
Hello
I recently bought a ThinkPad E530 i7 with the nvidia GT 635 M GPU in it.
Here are screenshots of Dota2 I took by isolating the 4000 HD, GT 635 M and having both work at the same time by the Device Manager.
Using of the HD 4000 and the GT 635 M - around 17 FPS with fluctuations of +/-3 fps:
Using ONLY the HD 4000 - around 30 FPS with fluctuations of +/-10 FPS:
Using ONLY the GT635M - around 1.8 FPS (EIGHT POINTS) with fluctuations around 1 FPS and weird glitches:
I have installed/uninstalled/disabled drivers for the HD4000 and the GT635 both the Lenovo site and nVidia Web site. I don't know how I do. Is it possible that the GPU is defective causing weird bugs and lower FPS when used in conjunction with the HD4000 if ran only HD4000?
Thanks for your help
I thought about it.
The problem had nothing to do with the versions of driver or their interactions. The base nVidia GPU clock was for some reason any capped at 270 mhz. I tried to use MSI Afterburner to juice it back up to what it should be (662), but that no longer works.
A simple BIOS update seems to have raised the limit on the abnormally low voltage on the GPU at its normal level. I am now under Dota 2 to 40-45 FPS without problem.
Tags: ThinkPad Notebooks
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