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快科技2月24日消息，在本月早些时候，RTX 5090在PassMark基准测试排行榜中还是位列第一，但现在已滑落到第二位，落后于前代产品RTX 4090。
PassMark的数据显示，RTX 5090最初在测试中比RTX 4090高出2.85%，但随着测试样本增加，RTX 5090的平均得分从39516下降到38048，降幅达3.71%。
与此同时，RTX 4090的平均得分从38422上升到38436，超越了RTX 5090，不过这一变化表明，RTX 5090在PassMark的排名可能会随着更多样本的测试而继续波动。
原因可能有多种，首先就是驱动问题，这一直是RTX 5090面临的挑战之一，部分显卡在软件更新后遇到无法正常运行等问题。
其次RTX 5090的样本量仍然较少，目前仅有50个样本，远低于RTX 4090的14422个样本。
此外RTX 5090还被发现缺少ROP光栅单元，ROP是渲染图像的关键硬件组件，其缺失会对显卡的整体性能产生负面影响，这可能影响了其在某些测试中的表现。
值得一提的是，在DirectX 12测试中，RTX 5090的平均帧率比RTX 4090高出39.3%，达到209帧/秒，而RTX 4090仅为150帧/秒。
