Battlemage is bringing quite a few architecture improvements over the Alchemist iteration, including increased efficiency, more powerful ray tracing units and optimized scalability. THis new architecture will first be introduced with the Lunar Lake CPUs, but desktop and HPC versions should launch later on.https://www.notebookcheck.net/Intel-reveals-Xe2-Battlemage-GPU-architecture-initially-launching-with-Lunar-Lake-CPUs-in-low-power-form.843925.0.html
Intel still has a lot to improve against AMD iGPUs, now with RDNA 3+ we will see the real tests on laptops and handheld consoles.