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NVIDIA的新一代旗艦顯卡GeForce GTX 480/470終於發佈了,在此之前的時間就規格上,一直是模糊的混亂說法的,而在之前NVIDIA發布的新聞稿中,此次發表的費米NVIDIA宣稱都是512個CUDA核心,直到兩個星期前規格才定了下來,確認為目前的480個CUDA核心,減掉16分之一組。
而shader減掉16分之一組,剩下480個?效能到底好不好呢?
往下看吧!
GTX 480硬體規格資訊GPU-Z圖
使用40nm最新技術,硬是塞了32億的電晶體進去,也是NVIDIA首次在高階繪圖卡用上GDDR5的顯示記憶體規格,總容量為1536MB
顯示記憶體時脈為924(需要乘上4倍等於3696Mhz)
GF100核心研發代號,GPU核心時脈700Mhz
總共480個CUDA,另外支援最新的DirectX 11技術。
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2張GTX 480,以下測試中會包含SLI模式
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GTX480上方
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外露的導熱片
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開包
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市售版本這邊會改為各家Logo
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再次染指~"~
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就連這小小一塊我也不放過=..=
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噹噹!開包儀式完成
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晶片導熱片近拍
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外露的導熱管
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8Pin+6Pin供電模組
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3 way SLI
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雙DVI與Mini HDMI輸出端子
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黑色那條泡棉下面藏有2顆螺絲,如果改天有玩家要拆卸卡,這點要注意一下..不然很有可能硬拆而損壞!
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卡長--由檔板開始測量,全長總共28公分!
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SAMSUMG
K4G10325FE-HC04
由於是NVIDIA第一款高階世代採用GDDR5的產品(之前RE過又RE的不計算在內),可以看到這款GTX480用的是-0.4ns的SAMSUMG GDDR5顆粒,只有正面才有記憶體顆粒,全部為128MB乘上12顆組成1536MB的顯示記憶體規格,記憶體匯流排為單顆32bit乘上12顆等於官方標定的總384bit匯流排規格,目前可以在網路上查到的此款0.4nsGDDR5運算頻率為5Ghz,而官方顯示記憶體實際時脈,GDDR5運作時脈為1848MHz,也就是實際在乘上2倍等於3696Mhz,這意味著!!顯示記憶體還能夠超很大@Q@?
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裸卡一覽
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GPU與記憶體的供電模組
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此次的研發核心代號-GF100 375 A3版本
製程完成時間為2010年的第四周
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記憶體導熱模組-背面
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記憶體導熱模組-正面
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8+6Pin模組保護罩?
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4Pin風扇插頭
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導熱器背面-5根熱導管
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側面
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導管下拍
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導管上拍
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導熱器外露下前方
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風罩-很薄,玩家拆卸卡榫時要注意力道,不然卡榫容易斷裂。
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外露導熱模組與風罩示意照
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風罩拆卸下內部全貌
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這次測試的SLI平台
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單卡待機耗電量219~231W之間跳動,抓最高耗電量拍下此張照片
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單卡最高耗電功率524~564之間跳動(風扇轉速85%時拍照)
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SLI模式測得待機耗電量255~278W之間跳動,一樣抓取最高耗電拍照
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SLI模式最高測得耗電功率588~624W之間跳動
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由此結果換算實際耗電量--
GTX 480待機耗電量-278W-231W=47*0.8實際轉換率為20多W~37.6W之間(單卡)
GTX 480SLI滿載耗電量-624W-278W+47W*2=440*0.8實際轉換率為多276W~最高突破352W之間 (SLI模式下)
GTX 480滿載耗電量-564W-231W+47W=380*0.8實際轉換率一樣為266.4W~304W之間(單卡模式下)
這跟官方標的250W數字基本上還多了將近50多W的差距,也已經算突破PCI-E 2.0的規範了,也有可能是我周邊平台的某些元件有所關係
另外,此次測試的POWER跟上次測試GTX 295是一樣的銀欣850W,所以大家不要在猜了,什麼買這次費米要使用超過1200W的POWER!!?根本是無稽之談XD
因為SLI模式下,我放著跑FurMark 6小時都沒事,睡起來關掉FurMark繼續測試其他軟體都還是嚇嚇叫XD
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溫度測試--
測試軟體FurMark
此時室溫23度,無冷氣~
直接上雙卡SLI的待機溫度比較客觀,最熱也不過如此了(笑)
測得條件-開機40分鐘後,於桌面下都不作動任何程式!
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單卡模式下,FurMark測試10分鐘,最終穩定於92度c
GTX 480 32億的電晶體對比ATI 5870似乎沒有比較熱XD
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SLI模式下測試看看~
一樣跑FurMark測試10分鐘,最終定於91度c,跟上面結果誤差正負不到一度!
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噪音值:在測試過程中,全都用AUTO設定值(因為也沒軟體可以調整,或是超頻)
燒FurMark一直到86度c後,風扇轉速才會慢慢爬升到86%,此時已經有點噪音,最明顯是在SLI模式下的噪音分貝..可以用吵來形容!!
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遊戲與測試軟體實測~
3DMark Vantage
GTX 480單卡X模式下分數9567
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在來直接上SLI模式下的所有Vantage分數
一般模式下[P]
得分34646
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中階模式[H]
得分25238
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最高階模式[X]
得分17655
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那如果在最高階模式[X]下又開啟16X AF呢?
得分17686 @@..測到這邊,我一直認為分數一定是錯誤了,怎麼會開啟16XAF後分數不降反升??
連續的Try..Try..Try到我媽都快不認識我了
但是得到的結果竟然都是一樣的~"~..
意思是費米的硬體架構就是希望給大家開免錢的16XAF?
我不太相信..所以下面還會驗證一下~
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DX11測試軟體-Heaven Benchmark v2.0
為了驗證16XAF是否開免錢,可以開到連我媽都嚇到,特地用Heaven Benchmark 1.0來驗證(因為之前網路有人質疑2.0是為了NV所開發)
廢話不多說,直接來吧~
GTX 480 SLI模式下
第一個模式解析度為1680*1050得分為105.5
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第二張圖一樣解析度為1680*1050,唯一不同的是開啟16XAF模式得分...105.4
效能折損幾乎可以用誤差值來計算~"~
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我不信邪...
繼續測試開啟24吋螢幕的最高解析度來跑
1920*1200得分89.2
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開始16XAF之後..得分88.6
GTX 480"好像"有喘一點點點點點了XD
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但是真的得到驗證,此張卡買回去後,在一般狀況下,就把16XAF直接開下去吧..反正不用錢! (狂笑~)
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接下來換Crysis上陣吧~
一開始一樣SLI模式,但是由於驅動程式的關係無法在64位元下面作測試(第一版驅動嘛),不然我想在64位元下分數會更高!!
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Run #1- DX10 1680x1050 AA=No AA, 32 bit test, Quality: VeryHigh ~~ Overall Average FPS: 68.92
Run #2- DX10 1680x1050 AA=8x, 32 bit test, Quality: VeryHigh ~~ Overall Average FPS: 64.27
Run #3- DX10 1680x1050 AA=16x, 32 bit test, Quality: VeryHigh ~~ Overall Average FPS: 63.395
Run #4- DX10 1680x1050 AA=16xQ, 32 bit test, Quality: VeryHigh ~~ Overall Average FPS: 59.095
Run #5- DX10 1900x1200 AA=No AA, 32 bit test, Quality: VeryHigh ~~ Overall Average FPS: 64.475
Run #6- DX10 1900x1200 AA=8x, 32 bit test, Quality: VeryHigh ~~ Overall Average FPS: 55.61
Run #7- DX10 1900x1200 AA=16x, 32 bit test, Quality: VeryHigh ~~ Overall Average FPS: 54.655
Run #8- DX10 1900x1200 AA=16xQ, 32 bit test, Quality: VeryHigh ~~ Overall Average FPS: 48.545
這張我是連最高解析度模式都開啟16XQ模式,一般玩家不用這麼變態V.V
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Run #1- DX10 2560x1600 AA=8x, 32 bit test, Quality: VeryHigh ~~ Overall Average FPS: 33.05
Run #2- DX10 2560x1600 AA=16x, 32 bit test, Quality: VeryHigh ~~ Overall Average FPS: 32.74
Run #3- DX10 2560x1600 AA=16xQ, 32 bit test, Quality: VeryHigh ~~ Overall Average FPS: 9.125
CRYSIS 16XAF開啟
既然上面也測試過16XAF了,Crysis這款當然也不用給他客氣了,直接開啟..我管他老媽要嫁給誰!
成績請玩家自己解讀吧,分數變不變態,不是我說了算XD
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Run #1- DX10 1680x1050 AA=No AA, 32 bit test, Quality: VeryHigh ~~ Overall Average FPS: 67.44
Run #2- DX10 1680x1050 AA=8x, 32 bit test, Quality: VeryHigh ~~ Overall Average FPS: 60.855
Run #3- DX10 1680x1050 AA=16x, 32 bit test, Quality: VeryHigh ~~ Overall Average FPS: 59.905
Run #4- DX10 1900x1200 AA=No AA, 32 bit test, Quality: VeryHigh ~~ Overall Average FPS: 60.825
Run #5- DX10 1900x1200 AA=8x, 32 bit test, Quality: VeryHigh ~~ Overall Average FPS: 51.08
Run #6- DX10 1900x1200 AA=16x, 32 bit test, Quality: VeryHigh ~~ Overall Average FPS: 50.16
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Run #1- DX10 2560x1600 AA=8x, 32 bit test, Quality: VeryHigh ~~ Overall Average FPS: 30.635
Run #2- DX10 2560x1600 AA=16x, 32 bit test, Quality: VeryHigh ~~ Overall Average FPS: 30.04
然後是2560*1600這種最高解析度的8XQ模式也開下去...接近一秒30多張,現在怕的是你用的螢幕不夠大,不夠High而已了XD
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Run #1- DX10 2560x1600 AA=8xQ, 32 bit test, Quality: VeryHigh ~~ Overall Average FPS: 29.485
再來我感覺玩的不太爽,都開了16XAF效能還是不降,索性在開啟8X超級取樣,這下費米也應該要倒了吧XD
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開啟反鋸齒8X取樣技術,費米終於快投降了XD
但是看到的結果,除了16XQ模式下不能順暢的進行遊戲,其他都還有30多張=..=
這時候我想到一句話:不要問,很恐怖一"一
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Run #1- DX10 1680x1050 AA=No AA, 32 bit test, Quality: VeryHigh ~~ Overall Average FPS: 67.44
Run #2- DX10 1680x1050 AA=8x, 32 bit test, Quality: VeryHigh ~~ Overall Average FPS: 31.98
Run #3- DX10 1680x1050 AA=16x, 32 bit test, Quality: VeryHigh ~~ Overall Average FPS: 31.775
Run #4- DX10 1680x1050 AA=16xQ, 32 bit test, Quality: VeryHigh ~~ Overall Average FPS: 17.6
Run #5- DX10 1900x1200 AA=No AA, 32 bit test, Quality: VeryHigh ~~ Overall Average FPS: 60.9
Run #6- DX10 1900x1200 AA=8x, 32 bit test, Quality: VeryHigh ~~ Overall Average FPS: 25.075
Run #7- DX10 1900x1200 AA=16x, 32 bit test, Quality: VeryHigh ~~ Overall Average FPS: 24.95
Run #8- DX10 1900x1200 AA=16xQ, 32 bit test, Quality: VeryHigh ~~ Overall Average FPS: 13.955
Run #9- DX10 2560x1600 AA=No AA, 32 bit test, Quality: VeryHigh ~~ Overall Average FPS: 37.695
Run #10- DX10 2560x1600 AA=8x, 32 bit test, Quality: VeryHigh ~~ Overall Average FPS: 13.995
Run #11- DX10 2560x1600 AA=16x, 32 bit test, Quality: VeryHigh ~~ Overall Average FPS: 14.48
来源:xfastest论坛 |
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