6K Gaming Benchmarks: RTX 5090 Not Enough, RTX 5070 Ti Gives Up

Summary

After Samsung's Odyssey G80HS, the world's first 6K gaming monitor (6144x3456 resolution, 165Hz refresh rate), hit the market, TechSpot conducted in-depth tests using NVIDIA's flagship RTX 5090 and RTX 5070 Ti. The results are sobering: even the ultra-expensive RTX 5090 struggles to maintain high frame rates at 6K resolution in modern AAA titles, let alone hit the 165Hz cap. 6K packs about 21.2 million pixels, 2.6 times more than 4K's 8.3 million, placing enormous stress on GPU compute and VRAM bandwidth. Additionally, to unlock the 165Hz refresh rate on this monitor, users must have an NVIDIA Blackwell GPU (RTX 50 series) with DisplayPort 2.1 support; RTX 40 series, limited by DP 1.4 and HDMI 2.1, can only reach 60Hz at 6K. Ironically, NVIDIA touted the RTX 3090 as the 'world's first 8K gaming GPU' back in 2020, yet it can't even max out this 6K display. In Cyberpunk 2077, the RTX 5090 fails to deliver smooth gameplay even with DLSS enabled, and the RTX 5070 Ti is outright unviable. These findings highlight the massive hardware gap of 6K gaming and warn consumers that chasing ultra-high resolutions before GPU tech matures may be a costly mistake. For now, 4K high-refresh remains the practical sweet spot for gamers.