Unverified82% confidenceTradeoffTime unknown
帧率与分辨率不可兼得：4K120fps对存储和散热要求极高，实际拍摄多为短时慢动作用途，日常Vlog用4K30/60fps更实用且续航更好
1
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82%
Confidence
Long-term
Relevance
-
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Unverified分辨率越高越清晰但发热和耗电剧增：4K拍摄续航通常只有1080P的60-70%，且需要高速存储卡；日常Vlog和分享1080P/60fps在续航、存储、画质间最平衡90% similarUnverified分辨率越高、帧率越高，续航和发热越严重：4K/120fps长时间录制易触发过热降帧，日常vlog用4K/60fps即可兼顾画质与稳定性89% similarUnverified高分辨率+高帧率（如4K120fps）录制会显著缩短续航并加剧发热，长时间连续拍摄（如延时/直播）应降到4K30fps或1080P并外接充电86% similarUnverified分辨率支持越高、延迟越低的投屏器通常发射端体积越大且发热明显，纯便携需求（差旅一支笔式发射器）需接受720P/1080P上限，别追求4K84% similarUnverified高帧率(120fps+慢动作)与高分辨率不可兼得：多数机型5.3K仅支持60fps，要拍4K/120fps慢动作需在分辨率上妥协83% similar
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