[XF] ITX主機最佳選擇-Sapphire R9 285 ITX Compact 2GB GDDR5 OC評測
https://www.xfastest.com/images/xftitle.png ITX主機最佳選擇
現在許多人家中客廳都會放台電腦當作是家庭多媒體娛樂中心，但放在客廳的主機一定是外觀好看且較為小台的主機，一般都是ITX主機居多，但使用ITX主機最大的麻煩就是許多配備上的挑選都受了限制，最常發生挑選上的不便應該是顯示卡為第一名，因為雖然只是多媒體主機，不過現在許多影片檔的解析度越來越高，許多主機的內建顯示卡不敷使用，或是ITX主機也會有玩家拿來當遊戲機來使用，但目前市面上的高階顯示卡都較少專為ITX主機設計，所以可選擇性並不多；近期Sapphire推出了一款R9 285 ITX Compact 2GB GDDR5 OC顯示卡，這款分為兩個版本，一款是標準版另一款是OC版，基本版核心工作時脈與公版相同(918MHz)，OC版本核心工作時脈最高為928MHz，記憶體則是採用256bit GDDR5 2GB，皆須外接2組6 Pin電源，此外還有雙BIOS設計，可分別支援Legacy Mode與UEFI Mode，I/O部分有兩組Mini DP v1.2、一組HDMI 1.4a與一組Dual-Link DVI，顯示卡長度約17公分，採用標準2 Slot設計，散熱鰭片部分採用2支8mm與2支6mm熱導管並搭配10公分散熱風扇，提供較佳的散熱效果，用料部分採用8層PCB，其中兩層使用2盎司銅箔，以加快散熱並提供更佳的電壓穩定度，並採用全固態電容提高使用壽命；以下是Sapphire R9 285 ITX Compact 2GB GDDR5 OC介紹與效能測試
https://www.xfastest.com/images/xftitle.png 配件與外觀
包裝維持一貫傳統，從外包裝可直接看到產品特點，採用2GB GDDR5記憶體、OC超頻設定、採用GCN架構與支援AMD EYEFINITY技術https://picx.xfastest.com/johnuahuang/SAPPHIRE_R9_285/DSC01584.jpg
https://picx.xfastest.com/johnuahuang/SAPPHIRE_R9_285/DSC01586.jpg
配件包含快速安裝手冊、說明書、驅動程式光碟、雙6Pin轉接電源線、DVI轉D-DUB轉接頭與Mini DP轉DP，這次還多送了一張滑鼠墊唷
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顯示卡正反面一覽，導風罩採用塑膠製品，風扇部分採用10公分風扇
https://picx.xfastest.com/johnuahuang/SAPPHIRE_R9_285/DSC01594.jpg
https://picx.xfastest.com/johnuahuang/SAPPHIRE_R9_285/DSC01595.jpg
輸出部分有Mini Display Port*2、HDMI、Dual-Link DVI
https://picx.xfastest.com/johnuahuang/SAPPHIRE_R9_285/DSC01596.jpg
顯示卡各角度一覽，顯卡本體占用2個Slot
https://picx.xfastest.com/johnuahuang/SAPPHIRE_R9_285/DSC01597.jpg
https://picx.xfastest.com/johnuahuang/SAPPHIRE_R9_285/DSC01598.jpg
https://picx.xfastest.com/johnuahuang/SAPPHIRE_R9_285/DSC01600.jpg
https://www.xfastest.com/images/xftitle.png 細部拆解
顯卡拆解後PCB正面一覽
https://picx.xfastest.com/johnuahuang/SAPPHIRE_R9_285/DSC01601.jpg
前半部用料一覽，在DVI Connector上可看到金屬殼做雜訊遮蔽
https://picx.xfastest.com/johnuahuang/SAPPHIRE_R9_285/DSC01602.jpg
核心晶片周邊配置
https://picx.xfastest.com/johnuahuang/SAPPHIRE_R9_285/DSC01613.jpg
後半部用料一覽
https://picx.xfastest.com/johnuahuang/SAPPHIRE_R9_285/DSC01603.jpg
雙BIOS切換開關
https://picx.xfastest.com/johnuahuang/SAPPHIRE_R9_285/DSC01604.jpg
電源部分GPU與記憶體共採用5+2相供電設計，採用IR 3567B PWM控制器，搭配IR 3553M DrMOS，並與GPU散熱模組搭接散熱 https://picx.xfastest.com/johnuahuang/SAPPHIRE_R9_285/DSC01607.jpg
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需要外接雙6pin電源
https://picx.xfastest.com/johnuahuang/SAPPHIRE_R9_285/DSC01605.jpg
晶片背面小電容
https://picx.xfastest.com/johnuahuang/SAPPHIRE_R9_285/DSC01619.jpg
記憶體部分採用ELPIDA W2032BBBG-6A-F GDDR5 8顆組成2G容量
https://picx.xfastest.com/johnuahuang/SAPPHIRE_R9_285/DSC01618.jpg
R9 285晶片驗明正身MIT產品
https://picx.xfastest.com/johnuahuang/SAPPHIRE_R9_285/DSC01615.jpg
https://picx.xfastest.com/johnuahuang/SAPPHIRE_R9_285/DSC01616.jpg
https://www.xfastest.com/images/xftitle.png 散熱模組
散熱模組一覽
https://picx.xfastest.com/johnuahuang/SAPPHIRE_R9_285/DSC01620.jpg
https://picx.xfastest.com/johnuahuang/SAPPHIRE_R9_285/DSC01621.jpg
導風罩模組一覽
https://picx.xfastest.com/johnuahuang/SAPPHIRE_R9_285/DSC01622.jpg
https://picx.xfastest.com/johnuahuang/SAPPHIRE_R9_285/DSC01623.jpg
風扇部分採用FirstD-FD9015U12D散熱風扇
https://picx.xfastest.com/johnuahuang/SAPPHIRE_R9_285/DSC01624.jpg
散熱鰭片部分採用2支8mm與2支6mm熱導管直接與核心接觸，熱導管與散熱鰭片採用穿刺方式設計，前方並有電源MOSFET散熱模組
https://picx.xfastest.com/johnuahuang/SAPPHIRE_R9_285/DSC01625.jpg
https://picx.xfastest.com/johnuahuang/SAPPHIRE_R9_285/DSC01626.jpg
https://picx.xfastest.com/johnuahuang/SAPPHIRE_R9_285/DSC01627.jpg
https://picx.xfastest.com/johnuahuang/SAPPHIRE_R9_285/DSC01628.jpg
https://www.xfastest.com/images/xftitle.png 效能實測
測試平台
CPU:Intel i5-4670K @ 4.5GHz
Cooler: XIGMATEK GaiaII
MB: msi Z97 Gaming 5
RAM: Kingston BEAST DDR3-2133 CL11 32GB Kit(8G*4) @ DDR3-2600
VGA: Sapphire R9 285 ITX 2GB GDDR5 OC
Storage: Transcend SSD 720 128GB
PSU: Steventeam 750W
OS: Windows 7 旗艦版 64 Bit
驗明正身
https://picx.xfastest.com/johnuahuang/SAPPHIRE_R9_285/pic/CPUZ.JPG
3DMark06:36150
https://picx.xfastest.com/johnuahuang/SAPPHIRE_R9_285/pic/3DMark06.JPG
3DMark Vantage Performance Mode:P31712
https://picx.xfastest.com/johnuahuang/SAPPHIRE_R9_285/pic/3DMarkV_P.JPG
3DMark Vantage Extreme Mode:X18700
https://picx.xfastest.com/johnuahuang/SAPPHIRE_R9_285/pic/3DMarkV_X.JPG
3DMark 11 Performance Mode:P10063
https://picx.xfastest.com/johnuahuang/SAPPHIRE_R9_285/pic/3DMark11_P.JPG
3DMark 11 Extreme Mode:X2878
https://picx.xfastest.com/johnuahuang/SAPPHIRE_R9_285/pic/3DMark11_X.JPG
3DMark 2013
https://picx.xfastest.com/johnuahuang/SAPPHIRE_R9_285/pic/3DMark2013.JPG
3DMark 2013 Ice Storm Unlmoted:186366
https://picx.xfastest.com/johnuahuang/SAPPHIRE_R9_285/pic/3DMark2013_Ice_U.JPG
3DMark 2013 Ice Storm Extreme:158545
https://picx.xfastest.com/johnuahuang/SAPPHIRE_R9_285/pic/3DMark2013_Ice_E.JPG
3DMark 2013 Fire Strike Extreme:3389
https://picx.xfastest.com/johnuahuang/SAPPHIRE_R9_285/pic/3DMark2013_Fire_E.JPG
CINEBENCH R11 X64:126.20 fps
https://picx.xfastest.com/johnuahuang/SAPPHIRE_R9_285/pic/CINEBENCHR11.JPG
CINEBENCH R15 X64:151.22 fps
https://picx.xfastest.com/johnuahuang/SAPPHIRE_R9_285/pic/CINEBENCHR15.JPG
ComputeMark:3985
https://picx.xfastest.com/johnuahuang/SAPPHIRE_R9_285/pic/ComputeMark.JPG
DirectComputeBenchmark
https://picx.xfastest.com/johnuahuang/SAPPHIRE_R9_285/pic/DirectComputeBenchmark.JPG
BIO5 1920x1080 DirectX 9.0C ARGB8 TestA:166.0 fps
https://picx.xfastest.com/johnuahuang/SAPPHIRE_R9_285/pic/BIO5A.JPG
BIO5 1920x1080 DirectX 9.0C ARGB8 TestB:153.4 fps
https://picx.xfastest.com/johnuahuang/SAPPHIRE_R9_285/pic/BIO5B.JPG
BIO6 1920x1080 DirectX 9.0C ARGB8:9231
https://picx.xfastest.com/johnuahuang/SAPPHIRE_R9_285/pic/BIO6.JPG
DMC4 1920x1080 DirectX 9.0c A2RGB10
https://picx.xfastest.com/johnuahuang/SAPPHIRE_R9_285/pic/DMC4.JPG
FF IXV 1920x1080:6133
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Heaven Extreme Mode
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LP2 1920x1080 DirectX 11 MSAA8X TestA:124.6 fps
https://picx.xfastest.com/johnuahuang/SAPPHIRE_R9_285/pic/LPA.JPG
LP2 1920x1080 DirectX 11 MSAA8X TestB:93.6 fps
https://picx.xfastest.com/johnuahuang/SAPPHIRE_R9_285/pic/LPB.JPG
SF IV 1920x1080 C16XQAA:12363
https://picx.xfastest.com/johnuahuang/SAPPHIRE_R9_285/pic/SF.JPG
TLR 1920x1080:181.13 fps
https://picx.xfastest.com/johnuahuang/SAPPHIRE_R9_285/pic/TLR.JPG
FurMark燒機:最大溫度79度，風扇轉數67%，平均49fps
https://picx.xfastest.com/johnuahuang/SAPPHIRE_R9_285/pic/FurMark.JPG
https://www.xfastest.com/images/xftitle.png 結語
Sapphire R9 285 ITX Compact 2GB GDDR5 OC表現相當不錯，不會因為變成可安裝於ITX主機內，而造成效能降低的情況，一般常卡版的高階卡想要裝在ITX主機內幾乎是不可能的，造成ITX主機只能安裝中階卡或是入門卡的窘境，不過這次Sapphire推出的 R9 285 ITX Compact 2GB GDDR5 OC讓想要安裝高階卡的玩家也能輕鬆入手安裝在ITX主機內，效能表現相當不錯，散熱表現也很不錯，散熱鰭片部分採用2支8mm與2支6mm熱導管並搭配10公分散熱風扇，提供不錯的散熱效果，使用FurMark燒機溫度維持在79度左右，最高溫度達79度，但風扇聲音相當安靜，不會有顯示卡在全速運轉的感覺；用料部分採用8層PCB，其中兩層使用2盎司銅箔，以加快散熱並提供更佳的電壓穩定度，並採用全固態電容提高使用壽命；這張顯示卡必須外接雙6 pin電源，電源供應器的挑選上必須稍微注意一下，Sapphire 原廠提供3年保固，在各方面的表現都相當不錯，不論在效能還是在散熱方面，都達到一定的水準之上，想要挑選ITX主機適合的高階顯示卡SapphireR9 285 ITX Compact 2GB GDDR5 OC相信是個不錯的選擇。
以上資訊供大家參考
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