I’m only familiar with the Solti on Decca with VPO and Karajan on DG with BPO. I prefer the flow and drive of Karajan but the sheer opulence of Decca engineering lavished on Solti is irresistible. Ideally I would have the Karajan married with Decca, given the improbability of that alliance I’m glad I possess both, Karajan on LP and Solti on CD and streaming.