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

Tags:
  • Formatting Problem
  • ASrock
  • Components
  • Error Message
  • XFX
  • Motherboards
  • Memory
  • GPUs
  • Graphics Cards
  • Radeon
Last response: in Components
March 16, 2014 2:00:04 PM

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?

More about : video card size 3gb mobo supports 2gb vram bad things gonna happen

a c 98 δ ASRock
a c 1157 V Motherboard
a c 141 } Memory
a c 895 U Graphics card
March 16, 2014 2:01:59 PM

? Where did you see that your MB only supports 2GB gfx cards?
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March 16, 2014 2:27:17 PM

In the Motherboard manual. It says 'max shared memory 2GB'
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Best solution

a c 98 δ ASRock
a c 1157 V Motherboard
a c 141 } Memory
a c 895 U Graphics card
March 16, 2014 2:30:11 PM

Lux Overclock said:
In the Motherboard manual. It says 'max shared memory 2GB'


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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a b δ ASRock
a c 367 V Motherboard
a c 89 } Memory
a c 368 U Graphics card
March 16, 2014 2:30:27 PM

Lux Overclock said:
In the Motherboard manual. It says 'max shared memory 2GB'


That has nothing to do with a dedicated video card. That limit is for shared ram with the gpu portion of an APU.
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March 16, 2014 2:53:54 PM

Oh. Thanks :) 
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a b δ ASRock
a c 367 V Motherboard
a c 89 } Memory
a c 368 U Graphics card
March 16, 2014 2:56:26 PM

Clutchc got it a few seconds before me so I re-selected his post as best answer. Thanks though :) 
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a c 98 δ ASRock
a c 1157 V Motherboard
a c 141 } Memory
a c 895 U Graphics card
March 17, 2014 1:02:08 PM

bignastyid said:
Clutchc got it a few seconds before me so I re-selected his post as best answer. Thanks though :) 


Un-necessary, but thank you.
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June 11, 2016 1:19:03 PM

clutchc said:
Lux Overclock said:
In the Motherboard manual. It says 'max shared memory 2GB'


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.


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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a c 98 δ ASRock
a c 1157 V Motherboard
a c 141 } Memory
a c 895 U Graphics card
June 11, 2016 7:33:50 PM

jonesgabe said:
clutchc said:
Lux Overclock said:
In the Motherboard manual. It says 'max shared memory 2GB'


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.


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?


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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