Quick Answer

In Hollow Knight Silksong, the RTX 5090 wins clearly at 4K, but the RX 9070 XT is the smarter SA value at 1440p. Expect the RTX 5090 around 150-220 fps versus 120-175 fps on the RX 9070 XT at 1440p Ultra. The Nvidia card pulls further ahead with ray tracing and DLSS on; the AMD card gives more frames per rand in pure raster. Both are stocked locally at Evetech.

RTX 5090 vs RX 9070 XT in Hollow Knight Silksong at 1440p

At 1440p Ultra the RTX 5090 lands 150-220 fps while the RX 9070 XT holds 120-175 fps in Hollow Knight Silksong. For a 1440p 144Hz or 165Hz monitor, both clear the refresh in most scenes, so the choice comes down to ray tracing and upscaling rather than raw raster. If Hollow Knight Silksong leans on RT effects, the Nvidia card's lead widens; if it is a raster-first title, the gap narrows to single digits.

4K and feature differences

At 4K Ultra the RTX 5090 runs 110-170 fps against 70-110 fps on the RX 9070 XT, so the Nvidia card is the pick for a 4K panel. DLSS plus frame generation give it a larger high-refresh margin, while FSR on the Radeon is competitive but a step behind in image stability. VRAM is ample on both for 1440p and 4K textures, so neither runs short in Hollow Knight Silksong.

Which to buy in SA for Hollow Knight Silksong

Pick the RTX 5090 if you game at 4K, use ray tracing, or want the cleanest upscaling. Pick the RX 9070 XT if you play at 1440p raster and want more frames per rand. Budget a 850-1000W 80+ Gold PSU either way, and pair with a Ryzen 7 7800X3D so the CPU does not cap the frame rates at lower resolutions. Both ship in complete Evetech builds.

FAQ

Is the RTX 5090 or RX 9070 XT better for Hollow Knight Silksong?

The RTX 5090 is better for 4K and ray-traced play, landing around 110-170 fps at 4K versus 70-110 fps on the RX 9070 XT. The Radeon offers stronger 1440p raster value per rand.

Does the RX 9070 XT keep up at 1440p in Hollow Knight Silksong?

Yes. At 1440p Ultra it holds 120-175 fps, clearing a 144Hz panel in most scenes. It only falls behind meaningfully once heavy ray tracing is enabled.

What PSU do I need for these cards?

Plan for an 850-1000W 80+ Gold PSU with the right connectors, plus good case airflow. Both cards are power-hungry, so do not undersize the supply.

Pick by your resolution For 4K and ray tracing in Hollow Knight Silksong, choose the RTX 5090. For 1440p raster value, the RX 9070 XT delivers more frames per rand. Both ship in complete Evetech builds with the right PSU.