🎯 The Fastest OC Beast: RTX 5090 – 2,800 MHz Boost Clock (Insane Overclocking Potential) RTX 5090 – 2,800 MHz boost clock The Nvidia RTX 5090 dominates OC performance with a blistering 2.8 GHz boost— ~30% faster than the RTX 4090 —making it the fastest GPU available today  Windows Central+6Tom's Guide+6TechRadar+6 . Why It Reigns Supreme Clock Speed:  2.8 GHz boost out of the box—nobody else touches this  VRAM:  A massive 32 GB GDDR7  offers overwhelming headroom  PCWorld AI