Linux for recording?

CommMatt

Posting Mad!
With Linux being more efficient than Windows (on the resource side of things, at least) I'm wondering if I should start recording games on Linux, then switch to Windows to edit/render.
A lot of games I have to bump down the video settings (such as from 60fps to 30, lower bitrate, and for one game I had to make the base recording resolution 1600x900 to not have my processor hit 100% usage), when I really shouldn't have to. Subnautica is an example. The recommended processor is a Haswell 4 core 3.2GHz, while I have the FX-6300 at 3.8GHz OC'd (stable). I suspect the GPU is causing more load to be put on the CPU than needs to be (Radeon HD 6870), as the only things I have running during recording are Audacity, OBS, Steam, and the game itself.

I can't help but hope that recording games on Linux (not Subnautica, but games that have Linux support, like Minecraft) would allow me to bump up the quality a bit.

My normal encoding settings:
7,500 kbps
60fps
Base resolution of 1080p, downscale to 720p with 36 samples
CBR and CBR padding enabled

Bumping down the framerate from 60 to 30 typically solves any high CPU usage, but in the case of Mirror's Edge I had to bump down base resolutions of the game and the recorder to 1600x900.

System specs:
CPU: AMD FX-6300, stably OC'd to 3.8GHz
GPU: Sapphire Radeon HD 6870 1GB
RAM: 12GB G.Skill Ripjaws X DDR3-1600
Videos are recorded to my SSD then moved to my HDD

Thanks in advance!
 
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