XFX訊景Radeon RX 5700 XT黑狼版顯卡評測：「冷靜來襲」奮勇爭先

時隔多年後，AMD終於在今年7月初拿出了令人期待已久的全新架構的GPU核心，全新的架構讓新一代的Radeon RX 5700系列顯卡在效能上有了大幅度的提升，無論是面對上代產品還是對比同價位產品都有不錯的競爭力。在發售之後的這段時間裡，玩家僅有公版可選擇。不過在等待了整整一個月後，基於全新Navi 10核心的非公版顯卡終於面世。XFX訊景在第一時間推出了Radeon RX 5700 XT黑狼版顯卡。

作為已延續多年的系列，黑狼一直作為訊景主打的非公版產品。雖在其系列之上還有更高端的產品，不過訊景黑狼系列在近幾年也一直是AMD顯卡中的一大選擇，所以訊景選擇在AMD重要核心架構到來之際率先推出黑狼系列的RX 5700 XT顯卡，也是作為對目前熱銷系列的快速跟進。相較於Vega時代的黑狼顯卡，此次全新的RX 5700 XT黑狼版顯卡進步明顯。以下是XFX訊景Radeon RX 5700 XT黑狼版顯卡的規格：

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顯卡外觀圖賞：新款散熱器設計、外觀改進巨大

在上周五我們已經將新顯卡的外觀公布出來了。此次全新設計的外觀其實整體性是要更強的，同時雙風扇散熱器讓顯卡顯得體型比較龐大。它與之前顯卡的設計相比有很大不同，少了幾分稜角，整體顯得更加圓潤一些，實際上質感依舊不錯。外包裝的黑狼就能顯示出顯卡所屬系列。就整體設計上來說還是體現了訊景的想法的。雙風扇散熱器也是與公版相比一個巨大的不同點。

外包裝也進行了重新設計，不同於前代產品」X「型包裝，改為了常見的包裝形式，「黑狼」形象表明了該產品的所屬系列。

顯卡外觀上，採用全新設計外觀的RX 5700 XT黑狼版顯卡外觀更加飽滿，顯得比較威猛。但整體上給人的感覺是與以往不同的。雖然顯卡的外觀進行了重新設計，但是整體上依舊是偏向樸素風格，只依靠線條、紋路等增加整體細節。

具體到外觀細節上，可以看出訊景還是花了一些心思，整體紋路得當，讓顯卡正面顯得沒那麼單調。而且在背板和顯卡視頻介面出有「XFX」的字樣，而且在顯卡頂部有」XFX「的logo燈，也能為顯卡帶來一些外觀上的改變。

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在散熱規模上，此次訊景為這張顯卡配備了2.5槽散熱設計，明顯散熱規模更大，散熱鰭片密集。而且放棄了公版單渦輪散熱，採用雙風扇應該要比公版顯卡的散熱要好很多。

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總結以下外觀，整體上來說相對近兩年訊景的顯卡產品，此次推出的RX 5700 XT黑狼版顯卡有了很大的改變，總體來說是朝著好的方向前進，不過對於每個人來講外觀設計是比較主觀的。RGB固然美妙，但樸素也不失為一種選擇。

顯卡拆解：做工優秀、非公版散熱器給力

作為重要的AIB廠商，XFX訊景在第一時間推出RX 5700 XT黑狼版顯卡。這麼一張非公版顯卡，除了外觀以外，散熱設計、PCB設計也是眾多考察的考察因素。所以我們在第一時間進行了這張顯卡的拆解。

實際拆解過程比較簡單，但是整張顯卡螺絲比較多。除了散熱器固定螺絲外，還有背板固定螺絲。好在規格比較統一，安裝孔位比較明顯。

從上面這張圖中能夠看出顯卡是擁有背板的，而且整體包裹著PCB。而從下面這張移除散熱器的途中同樣能看到背板實際上延伸出來了一部分。整體元件靠左一些，這點倒是與公版類似。但與公版不同的是，在顯卡PCB右側位置實際無原件空間下了很多，而且沒有了固定渦輪散熱器的位置。而除了這些外，接下來的它還有與公版不同的地方。

XFX訊景RX 5700 XT黑狼版顯卡依舊是Navi 10核心，在核心周圍有8顆GDDR6顯存。但從大體的供電上看與公版並不相同。

Navi 10核心，Die上依舊沒有型號等標識

與公版不同的是，XFX訊景在這張RX 5700 XT黑狼版顯卡上使用的是美光的GDDR6顆粒，型號為D9WCW，從美光官網查到的具體型號是MT61K256M32JE-14，等效速率為14Gbps。

顯卡採用了7 1相供電，包括顯存在內都是單mosFET

顯卡的核心有7相供電，採用的mosFET為安森美NCP302155，最大承載電流為55A。顯存採用了1相供電，搭配的mosFET為安森美NCP302045，最大承載電流為45A。同時顯存PWM為中國台灣茂達電子的APW8713。

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核心PWM為英飛凌IR 35217，支持6 2相供電

與公版RX 5700 XT顯卡相比，從供電設計就能看出這張顯卡是非公版設計，XFX並沒有套用公版方案。

顯卡背面PCB

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顯卡的背板採用了金屬材質，不過在靠近顯卡背面PCB的部分則是有一層注塑，防止短路。而且從這個角度也能看到背板在一邊也有可以起到包裹保護顯卡的作用的。

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非公版顯卡最重要的就是散熱器了，XFX訊景為這張RX 5700 XT黑狼版顯卡搭配了一個雙風扇散熱器，與公版採用的渦輪散熱不同。散熱器採用了4熱管設計，熱管鍍鎳處理，散熱鰭片很密集，熱管與散熱鰭片間採用的是焊接工藝，而且與核心接觸的地方是一個很大的銅底，保證散熱器與核心的接觸。在顯存和供電上還覆蓋有導熱墊片，從整體上保證了顯卡的散熱。

從拆解看XFX訊景在這張非公版黑狼顯卡上下了不少功夫，用料等方面比較充足。雖然整體看如供電規格等方面與公版保持了一致，但整體作為非公版顯卡還是做出了不少改變，尤其在散熱器上改變堪稱巨大。

溫度測試：雙風扇散熱器出色完成任務

從拆解中能夠比較明確的看出顯卡的散熱設計等方面進行了較大幅度的改進，所以我們首先就進行了溫度測試。測試時全程進行封箱處理，機箱為分形工藝R6 TG，測試環境溫度約為26℃。待機溫度是開機以後記錄10分鐘，滿載溫度則是在運行3DMark Fire Strike壓力測試中取得，數據通過GPU-Z的Log to File功能記錄，以下為溫度測試曲線：

最終的溫度表現也確實表現出了一張非公版顯卡應有的實力。在待機狀態下，顯卡的風扇是停轉的，在測試末段，最終顯卡靠機箱風道提供的被動散熱穩定在40℃左右。而滿載溫度才是這張非公版顯卡真正發揮的地方，在測試末段最終穩定在70℃附近。這個成績相比首發評測時AMD公版顯卡的溫度表現要好很多。同時滿載時風扇轉速為2100RPM左右，噪音比較輕微，整體這套散熱方案確實很出色了。

以下為默頻狀態顯卡待機與滿載時風扇轉速圖表：

通過記錄得到的顯卡風扇轉速及實際溫度表現整體說明了XFX訊景在這張RX 5700 XT黑狼版顯卡中採用的散熱方案是足夠出色的。而且我們還記錄了在封箱狀態下的噪音表現。雜訊儀採用A加權：

待機狀態下靠近機箱的噪音

滿載狀態下靠近機箱的噪音

顯卡測試：表現符合預期

測試平台

在測試平台選擇上採用了英特爾Core i7-8700K處理器，主板為華碩ROG STRIX Z370-F Gaming，內存方面採用了威剛XPG龍耀D80 DDR4-3200MHz 8GB*2，SSD則是浦科特M8Se 512GB。採用6核心處理器也足夠RX 5700 XT顯卡發揮出應有的性能。以下為具體測試平台配置：

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剛好在評測推出的前一天，GPU-Z進行了更新，其中最重要的就是提供了更完整的AMD RX 5700系列顯卡的規格信息，所以在此次評測中，我們剛好能通過新版GPU-Z來查看顯卡信息。

大部分識別的信息是準確的，但有一點需要注意，在跟訊景方面溝通後知道這張RX 5700 XT黑狼版顯卡的基礎頻率、遊戲頻率幾Boost頻率是與公版相同的，即分別為1605MHz、1755MHz及1905MHz。但GPU-Z給出的基礎頻率僅為1405MHz、但Boost頻率卻比公版高不少，給出了2100MHz的頻率。所以在這一點上需要注意。

同時訊景RX 5700 XT黑狼版顯卡的功率限制調整區間是可上下調整50%。整體幅度還是比較大的。

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基準測試

首先我們進行基準性能測試。通過運行3DMark FireStrike、FireStrike Extreme、FireStrike Ultra、TimeSpy及TimeSpy Extreme這五項測試得出。以下為測試結果：

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從測試結果中可以看出XFX訊景的這張RX 5700 XT黑狼版顯卡的基準測試實際與AMD公版顯卡的成績是幾乎相同的。從這也證實了XFX訊景給出的顯卡頻率，說明其並沒有為這張顯卡進行預超頻，採用的頻率方案應該是與公版相同的。

1920*1080解析度遊戲測試

接下來我們進行了1920*1080解析度下的遊戲測試。在測試中所有遊戲採用全屏模式顯示輸出，同時所有遊戲採用遊戲內預設最高/極高/Ultra畫質進行測試。測試結果如下：

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從遊戲測試中也反映出了與基準測試相同的結論，就是XFX訊景並沒有為這張顯卡進行特殊調校，整體依舊錶現出與AMD公版RX 5700 XT顯卡相同的成績水平。

從實際的遊戲測試結果中看，現在RX 5700 XT顯卡已經能夠滿足在1920*1080解析度及最高畫質下為玩家提供流暢的運行體驗。甚至如較新的《地鐵：離去》、《全面戰爭：三國》這樣的遊戲也能以60幀以上的速度運行。

2560*1440解析度遊戲測試

我們同樣進行了2560*1440解析度下的遊戲測試。同樣在測試中所有遊戲採用全屏模式顯示輸出，所有遊戲採用遊戲內預設最高/極高/Ultra畫質進行測試。測試結果如下：

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經過了基準測試和1920*1080解析度下的遊戲測試，實際上我們已經有了初步的判斷。但在更高解析度下遊戲測試後，進一步證明了這個判斷是正確的。在實際遊戲中幀率表現也確實與公版幾乎相同。

再次從測試結果中表明，即便解析度提升至2K，對於新世代的顯卡來說，包括《地鐵：離去》、《刺客信條：奧德賽》這些比較有壓力的遊戲，也能夠跑出50幀以上的成績，而且實際距離60幀流暢並不遙遠。

超頻測試：潛力不俗但無法發揮全部實力

從上面的溫度測試中可以看出XFX訊景這套散熱表現非常不錯，也給了接下來喜聞樂見的超頻測試不少信心。同時作為一張非公版RX 5700 XT顯卡，超頻能力方面自然會讓很多玩家期待。不過首先我們先進行自動超頻，看看WattMan能給出怎樣的超頻結果。

通過WattMan分別進行自動超頻GPU和自動超頻顯存，最終給出了GPU核心到2130MHz，顯存到950MHz，即等效15.2Gbps的成績。

Wattman自動超頻給出的結果

顯存自動超頻結果

當然WattMan可能給出的成績偏保守一些，所以我們又進行了手動超頻測試。在WattMan中解鎖功耗上限並拉滿，然後調整電壓值最高。最終我們又被AMD的驅動「擊敗」了，當解鎖所有限制後，僅能將GPU核心頻率提高至2150MHz，顯存提升至950MHz。而且我們通過Afterburner軟體進行調節，同樣無法實現更高的超頻頻率。而這與當時在首發評測中RX 5700碰到的情況是一樣的。

實際上這個頻率也是WattMan在頻率/電壓及顯存頻率中給出的最高頻率了。

Wattman中實際就給到2150MHz

顯存也有同樣的情況，被限制在950MHz的最高頻率上

不過接下來還是讓我們看一下超頻後的成績表現：

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這個超頻表現相對於AMD公版RX 5700 XT來講已經要好不少了，相比在首發評測時公版RX 5700 XT顯卡沒摸到Wattman給出的最高成績，現在XFX訊景RX 5700 XT黑狼版顯卡在最終限制上完成了顯卡的超頻測試。如果沒有驅動/vBIOS的限制，相信這個結果會更加出色。

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