5090 Perf & Halo Rumors

Independent 3DMark Time Spy Extreme runs cited in recent coverage show the RTX 5090 scoring roughly 24,000 points versus about 19,000 for a stock RTX 4090. (notebookcheck.net)) Nvidia’s consumer Blackwell card ships with 21,760 CUDA cores, 32 GB of GDDR7 on a 512‑bit bus (~1,792 GB/s bandwidth), and a listed total graphics power around 575 watts. (techspot.com)) Long-form testers reported wide variance in real‑world gains: GamersNexus recorded about 20–50% 4K raster increases and roughly 27–35% ray‑tracing uplifts across titles, while launch MSRP figures placed the card near $2,000. (gamersnexus.net)) Igor’s Lab summarizes leaked engineering notes that describe a potential “Halo” Blackwell variant with just under 23,000 shaders (roughly ~5% more CUDA cores than the 5090), and a target TDP in the ~700–750 W range with early prototypes drawing even more. (igorslab.de)) Trade outlets covering the tip say Nvidia has considered branding options including an RTX 5090 Ti or a TITAN‑style Blackwell flagship, with speculative windows around mid‑to‑late 2026, but they also note Nvidia has a history of halo prototypes that never reach retail. (videocardz.com)) The leak narrative rests on Nvidia’s own Blackwell GB202 topology — a fully configured GB202 is documented at 192 SMs/24,576 CUDA cores, leaving technical headroom between the shipping 5090 and a maxed‑out GB202 that vendors could exploit for a premium halo SKU. (igorslab.de))