Would you consider 5t/s usable for a local model?

I'm able to run qwen3.8 27b in two ways on my system: split between my 3060 12gb and 9070xt running at 20t/s or running off the 780m iGPU and 5400mhz DDR5 at 5t/s. Personally I feel like the 5t/s is still more usable because I have enough RAM to still use my system mostly normally. I can even play games just fine because the CPU side is left alone. Honestly pretty cool IMO and makes it far more usable knowing I can just spool it up and continue using my system as normal, even if it takes 4x longer to get an answer.