Core Insights - The notebook computer market is highly competitive this year, driven by the release of RTX 50 series graphics cards, government subsidies, and promotional events like 618, leading to attractive pricing [1][4] - Performance discrepancies among similarly configured notebooks are primarily attributed to differences in thermal design, which affects performance release [3][4] Thermal Design and Performance - Thermal design is crucial for performance release, as both CPU and GPU generate heat, and notebooks have limited internal space for cooling [4][23] - Notebooks are typically designed with a power consumption limit, known as the "power wall," which is influenced by the thermal performance of the device [4][23] - Better thermal management allows for a higher power wall, resulting in improved performance [4][23] Types of Cooling Solutions - Cooling methods can be categorized into active and passive cooling, with active cooling (like water and air cooling) generally offering higher efficiency [6][7] - Passive cooling methods, such as heat pipes and vapor chamber (VC) cooling, have their own advantages and disadvantages, including cost and space requirements [6][9][11] - Active cooling systems, while effective, can increase noise levels, impacting user experience [7][18] Recommendations Based on User Needs - For business professionals who prioritize silence and elegance, notebooks like MacBook Air and Microsoft Surface Go with passive cooling are recommended [16][18] - General users may benefit from versatile notebooks that combine air cooling and heat pipes, suitable for moderate workloads and light gaming [18][19] - Gamers and users with high-performance needs should consider gaming laptops or workstations with robust cooling systems, often exceeding 130W power walls [21][23] Conclusion - The performance of a notebook is not solely determined by hardware specifications but significantly influenced by its thermal design [23] - Consumers should assess their specific needs and usage scenarios when selecting a notebook to ensure optimal performance and satisfaction [23]

点击上图 ▲立即加入 2万亿再融资专项置换债发行超八成 5月29日消息，今年全国已有33个地区（省和计划单列市）启动再融资专项置换债发行，累计完成发行规模16291.11亿元。以2万亿额度计算， 今年的置换再融资债发行进程已达81.45%。其中，江苏省已完成2511亿元的置换债发行，是唯一一个发行规模超过千亿的地区。 5月至今，全国置换债只发行了211亿元，较前期的千亿规模明显降速。在置换债发行降速的同时，新增专项债开始放量。5月新增专项债发行 4432亿元，前四个月的发行规模分别为2048亿、3920亿、3635亿、2301亿元。今年前五个月新增专项债累计发行1.63万亿，达到今年4.4万亿 额度的37%。（财联社） ｜点评｜ 今年置换债发行逐渐进入尾声，地方政府新增债券的发行即将提速。置换债的发行是为了缓解地方政府存量债务压力，将短期高利率 债券置换为中长期低利率债券，减少地方政府利息支出。地方政府支出项减少后，对新项目的投资包袱将减轻不少，更有余力支持促消费等增 量政策的实施。 今年地方政府和国债发行力度明显加大，对市场的流动性形成一定扰动，债市供给增多，商业银行、保险机构等部门对债券购买的热情有所降 ...