Since you're a programmer you should focus on high performance rather than power efficient pc's. Usually gaming pc's are very fast and performative but their battery is shit. If you don't want a gaming pc you can look for normal pc's with good specs and people usually don't consider this when buying but you should focus on The suffix in laptop processor model names because indicates specific features like power efficiency, performance, or intended use. For example, Intel Core i7-1255U Intel Core i7-12700H The letters at the last indicates how the laptop performs U – Ultra-low power (Energy-efficient, for thin and light laptops) H – High performance (For gaming and content creation) HX – Extreme performance (Higher power, often unlocked for overclocking G – Integrated graphics optimized.