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New graphics card causes lower performance

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#1 Simonator7


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Posted 08 January 2010 - 09:28 PM

Hello, i am new to these forums and also am not an adept computer user. I recently purchased a nVidia GeForce 8400 GS gpu to replace an ATI Radeon 9250 gpu. I installed the new graphics card and its software and removed the old ATI software and drivers as standard. I tested out the 8400 on a game and on the lowest settings i was only getting anywhere from 4-30 fps when i was previously achieving 30-60 fps on the same settings with the older graphics card. Since the 8400 is a 512mb graphics card and the 9250 was only 128mb i figured the 8400 would be much better but it seems to be worse. I have downloaded the newest drivers for the card but have noticed no changes. Any help would be greatly appreciated.

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#2 the_patriot11


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Posted 09 January 2010 - 03:12 AM

what kind of system are you running it in? its possible your current hardware is bottlenecking your video card. Also, if the power supply is to weak to handle the card it will show a major performance drop, as well as not enough memory.



Primary system: Motherboard: ASUS M4A89GTD PRO/USB3, Processor: AMD Phenom II x4 945, Memory: 16 gigs of Patriot G2 DDR3 1600, Video: AMD Sapphire Nitro R9 380, Storage: 1 WD 500 gig HD, 1 Hitachi 500 gig HD, and Power supply: Coolermaster 750 watt, OS: Windows 10 64 bit. 

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