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总结
多家外媒与NVIDIA社区测试称，英伟达在NVIDIA App及新GeForce Game Ready驱动中推送的DLSS 4.5超级分辨率，在《荒野大镖客2》中以“质量模式”可提供不逊甚至优于原生分辨率的画面细节与抗锯齿表现。但部分用户实测显示，在RTX 20/30系较老GPU上，DLSS 4.5相较DLSS 4.0出现20%以上性能回落，印证了官方对开销增加的提示。整体来看，该更新被视为以画质换取帧率的取舍，可能影响玩家升级意愿及开发者的默认画质设置策略。
正文
NVIDIA DLSS 4.5 in Quality Mode Delivers Better Image Quality Than Native Resolution in Red Dead Redemption 2 Wccftech NVIDIA App Update Adds DLSS 4.5 Super Resolution & New GeForce Game Ready Driver NVIDIA Community tests confirm DLSS 4.5 yields 20%+ performance loss on older RTX 30 and 20 series GPUs compared to DLSS 4.0 - Nvidia warnings ring true following rollout Tom's Hardware With GeForce Super GPUs missing in action, Nvidia focuses on software upgrades Ars Technica Nvidia Is Pushing the Number of Fake Frames for Games to Ludicrous Levels Gizmodo
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