Mainly for the newer feature set.
- Hardware ray tracing/upscaling (+option of XeSS or FSR, link comparison).
- AI/ML acceleration and better workstation performance in some apps (link about optimisation for Stable Diffusion).
- Encode AV1.
- DP 2.0 (at least, on the Sparkle Titan).
and +4GB VRAM, with decent scaling @ higher resolutions being nice too.
Biggest downsides for me, are lower performance and worse power management.
So what you're looking for is a cheap workstaion card, nothing to do with gaming?