Unverified76% confidenceTradeoffTime unknown
画质越高（4K/大底）文件越大，云端同步和AI剪辑速度越慢、存储和流量成本越高，仅做碎片记录选1080P即可大幅降低后期负担
1
Sources
76%
Confidence
Medium-term (~90 days)
Relevance
-
First Seen
Sources
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Unverified分辨率越高越清晰但存储消耗越大：4K录像同容量SD卡录制时长仅为1080P的四分之一，云存储费用也更高，需权衡回看时长需求83% similarUnverified分辨率越高单页文件体积越大、扫描越慢，文档存档300dpi足够，照片存档600dpi够用，盲目追求高dpi只会拖慢速度且占存储82% similarUnverified分辨率越高越清晰但存储成本和带宽压力同步上升，2K在细节和成本间最平衡；4K需搭配高速卡和更多云存空间，家用性价比低81% similarUnverified分辨率越高越清晰但存储和带宽压力越大：4K比1080P存储占用约4倍，同容量存储卡录制天数缩短，需搭配更大容量存储或云服务81% similarUnverified分辨率越高（4K）图像越清晰但文件更大、更耗存储和算力，发热也更明显；对绝大多数取证需求2K/1440P已足够，4K性价比不高80% similar
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