FSR vs DLSS vs XESS!! Which Upscaler is Best and When to Use Each One

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Link to Spreadsheet if you want a closer look at the performance numbers:
https://docs.google.com/spreadsheets/...

Upscalers aren't talked about enough, but they are extremely important to revive older hardware or play at higher resolutions. Intel's XESS us relatively new on the scene and it has to compete against AMD's FSR and Nvidia's DLSS. FSR is open-source, which means it's available on almost every GPU, while DLSS is locked to newer Nvidia GPUs. DLSS is typically seen as the best Upscaler overall, but what if you don't have Nvidia? Well FSR and XESS are the next best options, how do they compare? Let's figure this out.

Intel XESS explanation:    • Intel Arc Graphics | Intel XeSS Techn...  
GN on AMD restriction competitors:    • HW News - Bad Timing for AMD, Intel A...  

https://www.amd.com/en/technologies/r...
https://www.rockpapershotgun.com/conf...
https://videocardz.com/newz/intel-xes...

0:00- These upscalers are VERY competitive
0:42- Explanation of testing
1:20- FSR vs XESS vs DLSS in visuals
4:50- What if you can't use DLSS?
7:38- FSR vs XESS vs DLSS- FPS on Nvidia GPUs
10:50- FSR vs XESS- FPS on AMD GPUs
14:06- FSR vs XESS- FPS on Intel GPUs
16:08- Is UE5's built-in upscaler better than DLSS?
17:37- Where and when to use each upscaler
20:30- AMD upscaler exclusivity drama