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DirectX11 DXGI_ADAPTER_DESC gave incorrect vram number on ASUS fx505(with RX560 and Vega 8)

Question asked by bennlee on Jul 18, 2019

Hi 

Recently our developer found on an ASUS laptop with RX 560 and Vega 8, DirectX11 always gave incorrect VRAM info regards these two cards. It shows RX 560 has a 128 MB dedicate VRAM while vega 8 has a 4GB VRAM. We tested some other AMD cards and the result looks correct. Is this a known issue with DirectX11?

GFXAdapter[0] - RadeonT RX 560X
 - Vendor: AMD
 - DeviceId: 0x67ef
 - SubSysId: 17c11043
 - Driver version: Radeon software version 19.7.1, driver package build id 19.30.01.09-190704a-344440C-RadeonSoftwareAdrenalin2019
 - VRAM: 128(MB); System: 0(MB); Shared: 4001(MB)
GFXAdapter[1] - AMD Radeon(TM) Vega 8 Graphics
 - Vendor: AMD
 - DeviceId: 0x15d8
 - SubSysId: 17c11043
 - Driver version: Radeon software version 19.7.1, driver package build id 19.30.01.09-190704a-344440C-RadeonSoftwareAdrenalin2019
- VRAM: 4096(MB); System: 0(MB); Shared: 4001(MB)

 

Kind Regards

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