<p>Maintaining structural integrity under earthquake stresses depends on seismic resilient steel frames. This study examines how well X-dampers improve the seismic performance of steel frames with 5-, 10-, and 15-story designs. Structural behavior under seismic pressure was assessed using pushover studies and time history. When strategically positioned in the middle and double middle levels of side bays, the results show that X-dampers significantly reduce lateral displacement and inter-story drift, improving the seismic performance of low-rise buildings. However, in mid- and high-rise buildings, their efficiency decreases because of higher structural loads that surpass the capability of passive damping systems, which calls for incorporating sophisticated solutions, including tuned mass dampers or base isolation. The pushover study validates that ideal damper location increases energy dissipation, reduces weak-story collapse, and raises general seismic resistance. According to numerical results, x-dampers can lower displacement by up to 58.48% in five-story buildings. Yet, their efficacy decreases with building height, usually resulting in too great drift in taller frames. These results emphasize the need to create height-dependent damper placement techniques to maximize energy dissipation affordably. Side-bay configurations for low-rise buildings are top priority, center-bay configurations for mid-rise buildings are second priority, and hybrid damping systems for high-rise projects are top priority.</p>