A: No, not for latency. Nvidia's hardware solution is still king for competitive shooters. But for single-player RPGs and emulation, LSFG 3 is nearly indistinguishable.
Assuming you have either purchased the software or are testing a trial, here is how to make LSFG 3 work "better" than default settings. lossless scaling download gratis lsfg 3 better
While LSFG 3 is a powerful tool, it's not the only lossless scaling solution available. Other alternatives worth considering include: A: No, not for latency