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13-14寸笔记本选2.5K（2560×1600）分辨率是甜点，PPI约210-220兼顾清晰度与续航；同尺寸上4K因像素过密带来的清晰度提升肉眼难辨，反而多耗电15-25%

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Unverified27英寸显示器搭配2K（2560×1440）分辨率为护眼与清晰度平衡点，PPI约109，文字锐利无需缩放；27英寸配1080P则PPI仅81，颗粒感明显反而加重视疲劳86% similar Unverified分辨率与尺寸的护眼匹配：27英寸建议2K(2560×1440)、32英寸建议4K，PPI维持在90-110区间，过低PPI导致文字发虚需眯眼看反而伤眼；不要为省钱买27英寸1080P长时间办公86% similar Unverified屏幕分辨率PPI≥264（视网膜级）才能减少像素颗粒感导致的眯眼疲劳；10-11寸平板建议2K分辨率（约2560×1600），低于1920×1200的大屏平板长时间看文字更累眼85% similar

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