AMD紅石升級技術挑戰Nvidia王座!

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AMD全新遊戲升頻技術Redstone挑戰Nvidia王座

AMD最近推出咗佢哋最新版本嘅升頻技術,名為「Redstone」,冇用傳統嘅版本號,而係用一個比較神秘嘅名稱,意圖與Nvidia嘅DLSS(深度學習超採樣)軟件套裝正面競爭。呢套新技術主要支援最新嘅AMD顯示卡,尤其係RX 9000系列。不過,即使你唔係PC玩家,都值得留意,因為呢啲軟件技術將會改變我哋喺主機甚至掌機上嘅遊戲體驗。

大部分遊戲能夠以4K解像度流暢運行,背後嘅關鍵就係AI升頻技術。簡單嚟講,AI升頻會將遊戲中低解像度嘅畫面幀數提升至高解像度,同時保持良好嘅效能。當中仲有一大堆配合升頻技術嘅軟件,使得遊戲畫面更靚,而唔係單靠GPU硬件。Redstone就係呢個技術生態嘅新「大本營」。

Redstone究竟有咩新功能?

單純升頻可能未必足夠滿足某啲玩家對幀率嘅需求,AMD因此推出咗一個基於機器學習嘅新版本幀生成功能,即係俗稱嘅「假幀」技術。佢會喺每兩個渲染幀之間加入AI生成嘅過渡幀,令遊戲幀率得以人為提升。之前AMD嘅FSR 3.1版本已經有類似功能,但Redstone嘅升級版承諾提供更佳嘅畫質同更低嘅延遲。例如,AMD展示咗《F1 24》一幕,舊版幀生成功能會令陰影出現閃爍,但Redstone版則顯得更流暢。

Nvidia嘅DLSS 4率先普及多幀生成技術,雖然唔係所有PC玩家都欣賞Nvidia靠升頻軟件彌補RTX 40系列升級不足嘅策略。多幀生成亦係Intel XeSS 2更新嘅重點,不過Intel嘅版本最大嘅優勢係可以支援多種硬件平台。

測試幀生成嘅遊戲效能變得複雜,AMD表示喺「性能」設定下(即由低解像度升頻至4K),《使命召喚:黑色行動7》幀率可由23fps升至109fps,但前提係遊戲本身經升頻後已經保持至少60fps,確保畫面唔會出現奇怪嘅異常。換言之,呢啲技術只係將已經可玩嘅遊戲推到極限。

除咗升頻同幀生成,AMD仲推出咗「光輻射緩存」(Radiance Caching)等新功能,用機器學習優化光線追蹤效能,提升遊戲中光線反射嘅真實感。配合「光線再生」(Ray Regeneration)功能,可以喺應用光追效果後恢復場景細節。用戶需要喺AMD軟件中逐個遊戲手動啟用呢啲功能,並喺遊戲內啟用FSR 4。

FSR AI升頻有望登陸主機

目前Redstone相關功能已經喺超過200款PC遊戲中支援,例如《戰鎚40K:暗潮》和《使命召喚:黑色行動7》分別支援光輻射緩存及光線再生,呢個數量與Nvidia DLSS 4嘅約175款遊戲相當。AMD承諾2026年會有更多遊戲加入Redstone技術,成效視乎AMD同遊戲發行商間嘅合作力度。

AMD早喺8月Computex就公布咗升級版FSR計劃,Redstone限定於基於RDNA 4架構嘅Radeon RX 9000系列顯示卡,例如RX 9070同RX 9070 XT。就算你係主機玩家,都有理由關注,因為索尼PlayStation同AMD合作開發嘅FSR 4已於今年3月推出,並有傳聞指索尼準備更新PlayStation Spectral Super Resolution(PSSR),為PS5 Pro帶來更好表現。不過由於現有PS5係用較舊嘅RDNA 2架構,要推動FSR 4仍有一定挑戰。

Redstone可能成為未來PlayStation 6嘅重要里程碑。升頻技術對中低階系統嘅提升效果更明顯,意味住未來唔論係PC定係PlayStation嘅掌機,都會因為搭載RDNA 4內部硬件而更受惠。簡言之,下一代遊戲平台可能會愈來愈依賴軟件技術,而唔係單靠硬件創新。

評論與分析

AMD今次以Redstone作為FSR技術嘅全新升級,明顯係針對Nvidia DLSS 4嘅強力回應。特別係Redstone不單止提升傳統升頻,更加入機器學習驅動嘅幀生成功能,試圖在畫質同流暢度之間取得更佳平衡。雖然多幀生成技術已非新鮮事,但AMD能夠透過降低延遲同改善畫質,為玩家帶來更自然嘅視覺體驗,係值得肯定嘅進步。

不過,Redstone現階段只支援最新嘅RX 9000系列,對於仍然使用上一代硬件嘅玩家嚟講,暫時未能享受呢啲好處。另一方面,Nvidia嘅DLSS擁有更廣泛嘅硬件支持與成熟嘅生態系統,AMD要擴大Redstone嘅影響力,仍需時間同合作夥伴嘅支持。

值得留意嘅係,AMD同索尼嘅合作,令FSR 4技術有機會喺主機端普及,甚至應用於未來PS6及掌機產品,反映升頻技術已成為次世代遊戲性能提升嘅關鍵一環。呢個趨勢亦顯示,遊戲性能未來唔再單純靠硬件提升,軟件優化同AI技術將扮演更重要角色。

總結而言,Redstone係AMD向Nvidia挑戰嘅重要一步,亦標誌住遊戲升頻技術進入新階段。對香港玩家嚟講,呢啲技術未來可能令主機同掌機遊戲體驗更流暢更細緻,值得期待。而隨住AI技術不斷進步,遊戲畫面與性能平衡嘅新玩法將陸續出現,或將重塑整個遊戲產業嘅發展方向。

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