Upgrading to 16GB RAM is one of the most impactful improvements you can make to a gaming PC in 2025. Modern games, combined with background system processes, have made 8GB increasingly insufficient for smooth, consistent performance. The key is not just adding more memory, but doing it correctly using a dual-channel configuration with DDR4 3200MHz for the best results. If your system is already showing signs of strain, waiting will only make things worse.