Video card size is 3GB but mobo only supports 2GB Vram. bad things gonna happen?

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Lux Overclock

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Mar 16, 2014
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Ive recently bought an XFX radeon 7970 3GB Video card, But my Motherboard, the Asrock fm2A55 Pro+ Only supports 2Gb of GPU memory. is something bad going to happen?
 
Solution
clutchc


That pertains to the on-die GPU of the APU (CPU) you may have. Not a discrete card. A discrete card uses its own VRAM.
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jonesgabe

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Jun 11, 2016
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Same thing on me? So i have ASRock FM2A68M-HD+ MoBo and i could get GTX 745 (4gb) for really cheap to replace my current GT 740. at ASRocks website they say Max. shared (graphicscard) memory is 2GB. will my pc work better with that 4gb GTX 745 or with that my current 2gb GT 740?
 
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clutchc

clutchc

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Apr 22, 2009
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The motherboard spces of 2GB pertains solely to the amount of system memory that the iGPU will use. Ignore that when you use a discrete gfx card. The iGPU relies on system memory for its video RAM. A discrete card has its own on-board (much faster) VRAM.
But it is unlikely that the GTX 745 will have the performance capability to utilize more than 2GB of VRAM anyway. Yes, the GTX 745 will be somewhat faster than the GT 740. But not amazingly so.
 
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