Unverified92% confidenceTradeoffTime unknown
相比一代GM大幅减重(约695g),是同规格原厂2.8变焦中最轻的之一,但相比f/4变焦或APS-C系统仍然偏大偏重,追求极致轻便出行的用户未必满意
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92%
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Long-term
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Unverified相比一代GM大幅减重(从886g降至约695g),是同规格大三元中最轻的之一,长时间手持拍摄疲劳感明显降低81% similarUnverified预算7000-8000元的用户不建议为了尝鲜M4而买最新款低配(8GB/256GB),上一代M2/M3的16GB版本二手或官翻更实用,芯片代差对日常办公感知极小而内存差距体感明显66% similarUnverified预算有限时优先加内存而非升级芯片:M系列基础芯片性能对轻办公已过剩,8GB→16GB 带来的体验和保值提升远大于换代芯片65% similarUnverified监控硬盘转速优先选5400rpm而非7200rpm,5400rpm发热低、功耗小、更适合长期连续运行,监控场景不需要高转速带来的随机读写性能64% similarUnverified单盘容量与转速权衡:监控盘多为5400-5900转以降低发热和功耗,追求高转速7200转意义不大,因为监控写入是持续小流量而非高IOPS随机读写64% similar
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