In mid-2026, the first problem most teams still hit on new high-end machines is not core count or clock speed. It is VRAM exhaustion once real 8K timelines, Fusion stacks, or complex 3D scenes with high-resolution textures and ray tracing enter the picture. Everything else in the build exists to keep that GPU fed and stable for hours or days at a time. The VRAM Wall Teams Actually Hit First An 8K frame in modern RAW or high-bitrate ProRes alrea