RX VEGA56 改裝水冷 madVR極限測試 - 3C

By Hedwig
at 2018-02-22T00:43
at 2018-02-22T00:43
Table of Contents
由於VEGA56換上一體式水冷
RX460又裝上去服役了= =
https://i.imgur.com/o174Tkj.jpg
換水冷後這次得到的結論會跟之前空冷有差異
1.刷VEGA64 BIOS方面
水冷上去就算不會過熱
刷64空冷或水冷BIOS跑madVR
功率隨便就破200~250W
一定時間後GPU頻率都會不穩
渲染時間也不會比較低
然後就看渲染時間就越來越高然後就掉幀
不如使用原本VEGA56 BIOS
拉PL效率高功耗又低
我想原因是就算突破功耗牆
電壓太高導致漏電
反而GPU運算效率反而變差
畢竟madVR不是玩遊戲會依造3D場景需求調節功率
演算法設定下去都是固定功耗
2.主副卡FM方面
VEGA56單卡跑FM後會影響madVR渲染時間
單卡跑madVR+FM後GPU時脈會頂上不去
但是我第2個PCI-E才2.0X4
測試跑HEVC 4K影片頻寬還是不足
不過跑4K影片madVR也不需要再去跑亮度翻倍
開BFRC調整成VEGA56跑FM即可
附帶一提使用LAV影片解碼時使用D3D11硬解
可以自由選擇主副卡來硬解
想要直播時也可以用OBS選擇RX460來當硬體直播卡
這點我想新的APU也辦的到
不過不知道APU 4K影片FM能不能補好補滿
https://i.imgur.com/ucVdc8J.png
使用副卡RX460硬解
https://i.imgur.com/7vz9R70.png
VEGA56單卡跑4K人類聖經 madVR+FM(RX460硬解)
3.超頻方面
VEGA跑madVR NGU演算法亮度翻倍時
預設PL 0% GPU時脈會跑不上去
要去拉PL後時脈才會上去
也就是假設預設時脈最高1611Mhz
實際上也不會一直維持在最高時脈
也就12XX~14XXMhz浮動
拉PL上去才會破15XX~16XXMhz
但這卡時脈跑越高就越耗電
越耗電渲染時間就越不穩= =
還有超VRAM對渲染時間是有效果的
但我這張卡跑madVR極限就超到980Mhz
破1000Mhz螢幕就一片雪花然後當機
跑遊戲反而不會= =
結論
總之根挖礦一樣...
GPU時脈降頻VRAM超頻就對了
最後實測
https://i.imgur.com/J0xAqoJ.png
GPU時脈壓在1482Mhz
電壓自動
https://i.imgur.com/3ERlHhN.png
VRAM超到跟公版VEGA64預設945Mhz
電壓自動
PL拉到50%
https://i.imgur.com/8qU0SPc.png
720P>1080P螢幕
60P補幀的情況下
色度升頻:Reconstruction soft
亮度翻倍:NGU Sharp Very High X2
色度翻倍:Bicubic60AR
影像降頻:Bicubic60 LL AR
其他設定
https://i.imgur.com/g5KxbvI.png
https://i.imgur.com/qI3l40w.png
dithering使用Ordered Dithering
reduce compression artifacts 設定 1 品質開到High
功耗溫度
https://i.imgur.com/6161YrZ.png
看完一集動畫
GPU平均1434.29Mhz 溫度56.7(實際最後溫度在57~58上下) 功耗184W(最高功耗197W)
基本上要開FM
亮度翻倍還要開到NGU Sharp Very High真的很不容易...
畫質跟NGU Sharp High還有真不少差距
加上新的RCA功能
影像解析度越低效果越明顯
可惜VEGA現在的行情
HBCC開下去VRAM翻倍加上大幅降頻根本就挖礦神器
之前公版一出就16.9K
我還在想過段時間15K上下可能就可以入手
還是忍一下等非公好了...
結果當初還是控制不住慾望就先買了
現在行情結果要25K...呵呵
--
Sent from my Windows
--
RX460又裝上去服役了= =
https://i.imgur.com/o174Tkj.jpg
換水冷後這次得到的結論會跟之前空冷有差異
1.刷VEGA64 BIOS方面
水冷上去就算不會過熱
刷64空冷或水冷BIOS跑madVR
功率隨便就破200~250W
一定時間後GPU頻率都會不穩
渲染時間也不會比較低
然後就看渲染時間就越來越高然後就掉幀
不如使用原本VEGA56 BIOS
拉PL效率高功耗又低
我想原因是就算突破功耗牆
電壓太高導致漏電
反而GPU運算效率反而變差
畢竟madVR不是玩遊戲會依造3D場景需求調節功率
演算法設定下去都是固定功耗
2.主副卡FM方面
VEGA56單卡跑FM後會影響madVR渲染時間
單卡跑madVR+FM後GPU時脈會頂上不去
但是我第2個PCI-E才2.0X4
測試跑HEVC 4K影片頻寬還是不足
不過跑4K影片madVR也不需要再去跑亮度翻倍
開BFRC調整成VEGA56跑FM即可
附帶一提使用LAV影片解碼時使用D3D11硬解
可以自由選擇主副卡來硬解
想要直播時也可以用OBS選擇RX460來當硬體直播卡
這點我想新的APU也辦的到
不過不知道APU 4K影片FM能不能補好補滿
https://i.imgur.com/ucVdc8J.png
使用副卡RX460硬解
https://i.imgur.com/7vz9R70.png
VEGA56單卡跑4K人類聖經 madVR+FM(RX460硬解)
3.超頻方面
VEGA跑madVR NGU演算法亮度翻倍時
預設PL 0% GPU時脈會跑不上去
要去拉PL後時脈才會上去
也就是假設預設時脈最高1611Mhz
實際上也不會一直維持在最高時脈
也就12XX~14XXMhz浮動
拉PL上去才會破15XX~16XXMhz
但這卡時脈跑越高就越耗電
越耗電渲染時間就越不穩= =
還有超VRAM對渲染時間是有效果的
但我這張卡跑madVR極限就超到980Mhz
破1000Mhz螢幕就一片雪花然後當機
跑遊戲反而不會= =
結論
總之根挖礦一樣...
GPU時脈降頻VRAM超頻就對了
最後實測
https://i.imgur.com/J0xAqoJ.png
GPU時脈壓在1482Mhz
電壓自動
https://i.imgur.com/3ERlHhN.png
VRAM超到跟公版VEGA64預設945Mhz
電壓自動
PL拉到50%
https://i.imgur.com/8qU0SPc.png
720P>1080P螢幕
60P補幀的情況下
色度升頻:Reconstruction soft
亮度翻倍:NGU Sharp Very High X2
色度翻倍:Bicubic60AR
影像降頻:Bicubic60 LL AR
其他設定
https://i.imgur.com/g5KxbvI.png
https://i.imgur.com/qI3l40w.png
dithering使用Ordered Dithering
reduce compression artifacts 設定 1 品質開到High
功耗溫度
https://i.imgur.com/6161YrZ.png
看完一集動畫
GPU平均1434.29Mhz 溫度56.7(實際最後溫度在57~58上下) 功耗184W(最高功耗197W)
基本上要開FM
亮度翻倍還要開到NGU Sharp Very High真的很不容易...
畫質跟NGU Sharp High還有真不少差距
加上新的RCA功能
影像解析度越低效果越明顯
可惜VEGA現在的行情
HBCC開下去VRAM翻倍加上大幅降頻根本就挖礦神器
之前公版一出就16.9K
我還在想過段時間15K上下可能就可以入手
還是忍一下等非公好了...
結果當初還是控制不住慾望就先買了
現在行情結果要25K...呵呵
--
Sent from my Windows
--
Tags:
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