雷军：小米玄戒O1已开始大规模量产 金十数据5月20日讯，小米集团董事长雷军微博称，小米玄戒O1，小米自主研发设计的3nm旗舰芯片， 已开始大规模量产。搭载小米玄戒O1两款旗舰，将同时发布：高端旗舰手机小米15spro和超高端OLED 平板小米平板7ultra。 跟踪芯片领域动态 +订阅 跟踪小米集团动态 +订阅 ...

【解剖大盘】 周末美股出了几个大的利空，估计接下来会有调整，在这种背景之下，两地市场均展现了韧性，港股今 天低开走高，收盘微跌0.05%。 美东时间5月17日，穆迪将美国信用评级从Aaa下调至Aa1，此前，惠誉已于2023年、标普已于2011年已 采取降级行动。至此美国三大评级机构均完成下调美国信用评级，美国失去最后一个AAA评级。穆迪 下调评级的理由是美国存在巨额财政赤字，且利息成本不断上升。还有，根据美财政部的数据，中国在 3月底比2月底减持了189亿美元国债，降至7654亿美元。已经退为日本、英国之后的第三大美债持有 国。目前还未知4月是啥情况，估计也不乐观。联想到美国6月有巨额的国债需要兑付，不知道如何解 决?此次特朗普中东之行并未听到海湾国家承诺会再次购买美国国债，这个风险有点大。 直接的后果就是周一美国国债市场遭遇大规模抛售，30年期国债收益率持续攀升约10基点、午后突破 5%心理关口，为2007年中期以来最高水平，与2023年11月的峰值水平持平。10年期国债收益率同样攀 升至4.5%以上，反映出投资者对美国长期财政健康状况的担忧。而黄金在创下六个月最大单周跌幅后 反弹，对美国经济前景和预算赤字 ...

Core Viewpoint - Xiaomi has officially announced its self-developed SoC chip, the "Xuanjie O1," which is based on a second-generation 3nm process technology, marking a significant milestone for Chinese manufacturers in the smartphone chip industry [3][5]. Group 1: Chip Development and Background - The development of the Xuanjie O1 chip has been in progress for over 10 years, with a significant investment of over 13.5 billion RMB (approximately 1.9 billion USD) over the last four years [5]. - Xiaomi's chip development history includes the launch of the "Surge S1" in 2017, which was deemed a failure, leading to a temporary halt in SoC development until the recent revival in 2021 [3][5]. - The current R&D team for Xiaomi's chip development has grown to over 2,500 members, indicating a robust commitment to advancing its technology [5]. Group 2: Performance Metrics - The Xuanjie O1 achieved a single-core score of 2709 and a multi-core score of 8125 in the Geekbench 6 benchmark tests, showcasing competitive performance among flagship chips [8][10]. - Compared to other leading chips, the Xuanjie O1's performance is positioned as follows: Qualcomm Snapdragon 8 Elite scored 3228 (single-core) and 10688 (multi-core), while MediaTek Dimensity 9400 scored 2958 (single-core) and 9155 (multi-core) [10]. - The performance metrics suggest that if the Xuanjie O1 proves effective in real-world applications, it could significantly enhance Xiaomi's market position and reputation beyond being perceived as an "assembly factory" [10].