一 | PORTLAND, Ore. -- Teachers in Portland, Oregon, have voted to go on strike, their union announced Friday, in another sign of a growing national organized labor movement that's seen thousands of workers in various sectors walk off the job this year. The Portland Association of Teachers' strike would start Nov. 1 unless an agreement with the school district is reached before then. The union said nearly 99% of teachers voted in favor of the strike, with 93% of its members participating in the ballot. Teachers have cited large class sizes, salaries that have not kept up with inflation and a lack of resources as key concerns. The union has been bargaining for months with the district for a new contract, which expired in June.“Students need stability and experienced educators in our schools, but the high cost of living is pushing teachers to leave the district. I don’t know how I’m going to survive on a teacher salary in Portland and I’m at the top of the pay scale," said Shannon Kittrick, a high school educator, in an emailed statement from the union.Schools will close and there will be no classroom or online instruction if the strike takes place, according to the district, which said it wants to avoid such a scenario.“We want to reach a fair, sustainable settlement, and we will stay at the bargaining table as long as it takes to get there. We ask our educators to stay at the table with us, not close schools," Portland Public Schools said in an emailed statement.The district is the largest in Oregon with roughly 45,000 students.Public education has been gripped by a series of high-profile strikes this year. In the Los Angeles Unified School District, the nation's second-largest, workers including teachers' aides, cafeteria workers and custodians walked out for three days in March to demand better wages and increased staffing, shutting down education for half a million students.In Oakland, California, the union representing teachers, counselors, librarians and other workers went on strike for more than a week in May. In addition to typical demands such as higher salaries, it also pushed for “common good” changes, such as reparations for Black students and resources for students who are homeless.。 快科技8月25日消息，NVIDIA今年6月联合合作伙伴重新推向市场的GeForce RTX 3060 12GB在过去两个月里，价格不降反涨，在德国零售价已从333欧元逼近400欧元（约3135元人民币）大关。 具体来看，华硕RTX 3060 12GB Dual V2目前最低售价379欧元，而6月回归时全渠道统一售价333欧元，两个月涨了46欧元，涨幅约14%。其他品牌的RTX 3060现货价格更高，部分型号已经突破400欧元。而在国内市场，华硕RTX 3060 12GB Dual V2目前售价3199元，技嘉RTX 3060 12GB风魔OC售价3229元，七彩虹RTX 3060 12GB战斧售价3449元。RTX 3060基于Ampere架构，采用三星8nm工艺制造，本是一颗2021年发布的老产品，NVIDIA在今年6月将其重新推向市场填补入门级供货缺口。 涨价背后是存储芯片成本持续上行的大环境，NVIDIA选择让合作伙伴重启老产品线而非增加新卡产量，本身就是产能紧张下的权宜之计，如今价格上涨说明即便老产品复产，也难以摆脱上游成本传导的压力。以当前价格购买RTX 3060 12GB的性价比已经很差，ComputerBase的1080p游戏性能测试显示，RTX 3060 12GB光栅平均帧率得分57.2，1%最低帧48.9，光追平均帧45.6。作为对比，同样定位入门级的RTX 5050 8GB三项得分分别为69.0、58.0和50.6，全面领先RTX 3060，且价格更低。
二 | RTX 4060 8GB得分70.5、60.0和53.0，同样更快且价格相近。 RTX 3060唯一的优势是12GB显存，在部分爆显存的场景下能比8GB显卡表现更好，但绝大多数1080p游戏在8GB内就能跑完。因此除非明确需要12GB显存且游戏场景确实会超过8GB时，RTX 3060 12GB才值得考虑，否则没有任何理由花更多钱买一颗五年前的老卡。
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