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集成顯卡與專用顯卡:有什麼不同?Integrated Graphics vs. Dedicated Graphics: What’s the Difference?


Integrated Graphics
插圖: 戈登麥克阿爾平

無論您擁有台式PC還是筆記本電腦,機器中的圖形硬件都有兩種截然不同的風格。集成圖形硬件與PC的其餘部分共享PC 內存 。換句話說,它沒有自己的RAM。專用圖形硬件有自己的內存,甚至可以擁有自己的大腦,稱為GPU或圖形處理單元。

這對你意味著什麼?具有集成顯卡的PC受到整個PC所具有的內存量的限制。共享內存意味著你會在很多時候陷入困境,特別是當你在屏幕上有很多圖形時。除了內存之外,集成顯卡(通常由英特爾識別)通常具有與其專用同類產品相比較差的硬件。即使你不玩遊戲,集成顯卡和Windows也不喜歡彼此。 Windows Aero用戶界面真的很糟糕。在同時做其他事情的同時在電腦上觀看電影?算了吧!

具有專用圖形的PC具有自己的內存,從512兆字節到幾千兆字節不等。在台式PC中,專用圖形將在其自己的卡上插入主板。在筆記本電腦上,它仍然是主板的一部分,但旁邊會有自己的內存芯片。專用圖形的質量差異仍然很大,但總的來說,它的性能會優於集成顯卡。擁有自己的RAM意味著您的系統不會使用圖形硬件爭奪內存。具有自己的GPU的專用圖形硬件意味著您不會在PC上爭用CPU時間。一些發燒友甚至有兩個專用顯卡,它們之間有一個橋接器,可以提供額外的圖形功能,而且這種方法並不像您想像的那麼昂貴。

任何想要多次執行任務,或在PC上觀看電影,或做任何與3D圖形有關的事情(如游戲)的人都會想要為他們的桌面或具有nVidia的筆記本電腦提供良好的顯卡或ATI貼紙就可以了。這是兩個主要的圖形製造商,這樣的貼紙告訴你筆記本電腦上有專門的圖形,並將表現良好。

請記住,圖形卡升級通常需要新的電源。檢查標籤上的最低電壓要求,並在首次打開機箱時檢查電源頂部,看看電源是否足夠好。

最後一個想法:如果你有一台低迷的PC,新的顯卡可能不是答案。嘗試運行我們的九個步驟 ,看看是否可以解決問題而無需升級。祝你好運!

  • Brett Duncan

    Graphics cards are not always the answer, since you won’t need them 24/7. I personally would choose 16 GB RAM over 12 GB RAM + 2 GB VRAM (as an example) in a computer. However gamers who need 16 GB all the time should get a graphics card.

  • Agree with you here Brett. A RAM upgrade is always a great first place to go for an upgrade, especially considering how cheap it is.

  • maneesh

    my laptop contain intel hd graphic 4000 and amd radeon 8600 garaphics in this both graphic i dnt what is what .in my laptop specifications it was written i have 1 gb dedicated graphic iam aa video gamer i need to upgrade the the graphics to at least 2 gb or 3gb can i upgrade help me

  • VR

    Buying cheap 2or3or4 GB graphics card isn’t gonna benefit and the motto is,higher the cost,Better the card.and also look for the number like,for nvidia-gt610,gt620…gtx650gtx660….higher the last two nos, better the performance(if you have a desktop).

    In a laptop,it is mere impossible to upgrade your graphics and the better choice is to sell your old one and buy a new one with more specs.

  • Geraldine Grace Gabriel

    How about the AMD radeon HD? is it good or not?

  • VR

    Not all of them. The lower/ cheaper ones are crappy.But the higher ones (whch have been give new names under R series) awesome.A R7 can play most games with medium to ultra with not much fps drop. But still, higher the numbers, better the performance. ie; a R7 270 wont be a match to a R9 290X. So, if you budgets are tight, dont buy and HD series or nvidia gt series, instead get a little more money and buy atleast a R7 ( and if you are lucky, you may find a second hand R9 that someone havent used cause it wont work in their pc for the price of a R7, that’s how i got my R9 290X) And for those who wants to buy a gtx 690, think about R9, same performance, lower priced. Amd i doing a great jb with their cheap yet the most powerful ones and gfx cards that are also cheap and does the work it is made for. nb: Amd processors are way better than intel ones, just compare an i7 and any of the processor from Amd FX series.

  • animeboss

    im confused i have a gtx 970 is that an integrated gpu




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