data burn-in slowing renders

Is there any way I can increase the speed of rendering with data burn-in?

I am trying to use DaVinci resolve to export dailies by doing a simple color correction, color grading, and adding data burn-in. When exporting the dailies, I noticed it rendering 50FPS compared to the normal 200+ FPS it normally renders out. After doing some tests, I noticed it is the data burn-in that is causing this bottleneck. Is there any way I can increase the speed of rendering with data burn-in? Here are the results from testing.

During testing, Task Manager and Open Hardware Monitor shows the bottleneck on test 1 (No Data Burn-in) was the CPU at 99%. Tests 2 to 6 all show CPU, GPU, Memory, and Disk all being at 50% and below utilization

1. Completed in 00:00:19 | 200~ FPS
No Data Burn-in

2. Completed in 00:01:22 | 50~ FPS
Source Clip Name | Source TC | Audio TC | Custom Text 1 | Custom Text 2

3. Completed in 00:00:49 | 75~ FPS
Source Clip Name | Source TC | Audio TC

4. Completed in 00:00:38 | 90~ FPS
Source Clip Name | Source TC

5. Completed in 00:00:38 - H264
Source Clip Name | Source TC

6. Completed in 00:00:38 - DNxHR SQ
Source Clip Name | Source TC

Custom Text 1: %Cam FPS% FPS | %Shutter% %Shutter Type% | %ISO% ISO
Custom Text 2: %Resolution% %Video Codec%

Render settings for tests 1 - 4 are: QuickTime | DNxHR LB | 1920x1080
Source files are in D: (Samsung EVO 970 M.2), export is on C: (Samsung Evo 970 M.2) to prevent storage device from being the bottleneck. The renders are also in separate folders so file replacement was not a problem during the tests.

Timeline: Blackmagic RAW Q0 | 4K DCI | 7 Clips (02:30:18 total)

PC Specs Ryzen 3700x | 32GB RAM | RTX 3090 | 2x 1TB Samsung Evo M.2