Unverified80% confidenceTradeoffTime unknown
分辨率2K是当前性价比甜点，4K摄像头会成倍增加SD卡占用和上传带宽，家用监控2K已足够看清人脸和门牌
1
Sources
80%
Confidence
Medium-term (~90 days)
Relevance
-
First Seen
Sources
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Unverified2K分辨率（约300万像素）是室内摄像头当前性价比甜点，1080P在大房间看清人脸/物品细节吃力，4K室内场景边际收益低且更吃带宽和存储，一般家庭2K足够87% similarUnverified分辨率2K（约300万像素）是室内摄像头的性价比甜点，1080P在放大画面看细节时明显模糊，4K在室内小空间提升有限却大幅增加存储和带宽消耗84% similarUnverified分辨率越高、常显屏越大越耗电，2K全屏机型体验好但需频繁充电；单纯居家安防2K+事件录制已足够，无需追求4K82% similarUnverified分辨率2K(300万像素)是室内看清人脸的够用值，4K仅在监控大范围院落且需要数字变焦裁切细节时才有意义，日常存储成本翻倍且夜视噪点更明显80% similarUnverified监护类摄像头分辨率选2K（300万像素）为宜，1080P在识别药盒、体温计读数等细节时不足；4K会大幅增加云存储费用和带宽压力，性价比反而低79% similar
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