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Is multiple Graphics cards good?


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6 replies to this topic

#1 CHansohn

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Posted 04 March 2011 - 12:57 PM

I have gotten mixed views on this. ATI and NVIDIA both support multiple graphics cards with the ATI-crossfire and NVIDIA-SLI but is connecting multiple GPU's together really that great? does it give you a performance boost that is worth bragging about?

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#2 the_patriot11

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Posted 04 March 2011 - 02:03 PM

Depends on what your after and what your doing. It does give a good graphics boost, so if you do a lot of high end gaming you will definetly notice the difference. I run a crossfire setup myself-running my single 4890 by itself I can run say battlefield bad company 2 at 1600 x 1200 at medium graphics about about 60-70 fps. Crossfire my 4850 into the 4890, and I can now play the same game at 1920 x 1080 at medium settings with between 90-130 fps (fps=Frames per second) so theres quite the jump in performance there. Now, if you dont do a lot of high end gaming, say you just use it for surfing and the highest thing you use your computer for is hi-def movie watching, you probably won't notice any difference, and if you do a lot of CPU intensive tasks such as Auto CAD, or have a lower end CPU with gaming, dual cards can actually be a hinderance-it takes a little extra CPU power to send commands to both cards. Not a lot, but more then a single card, and if your running a decently fast CPU you wont notice it except when your really tasking the CPU. So I would say, if your into high end gaming and like your eye candy, dual cards is a nice feature-like I said I run a crossfire setup myself and like it. If your not a gamer, then its probably not worth the money.

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#3 killerx525

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Posted 04 March 2011 - 03:51 PM

You can crossfire your 5870 if you choose to.

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#4 dpunisher

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Posted 04 March 2011 - 05:31 PM

"It depends". It's a bad answer, but the only one I got.

Crossfire/SLI depends upon the game being played being able to utilize multiple cards, and whether the card's drivers support that game. As an example, when a new game hits the shelves, you often have to wait for new drivers to use SLI/Crossfire with it.

To be fair, most of the kinks have been worked out. AMD/ATI and NVidia have come a long way and the latest stuff (ATI 6XXX and NVidia 4XX and 5XX) scales very well. The latest ATI cards are sometimes scaling 100%, which is really impressive compared to the 5XXX series. NVidia has had very good scaling for the last couple generations.

Drawbacks- power consumption and heat. Takes a good psu to power two mid/high end cards together. Figure on an increased heat load as well.

Microstutter- kind of explains itself. Multi GPU setups sometimes exhibit "microstutters". Some people notice these, some don't.

From a financial/bang for the buck perspective, dual cards make a lot of sense sometimes. You often get better performance with two mid range cards than with a single high end card. Usually costs less as well.

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#5 killerx525

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Posted 05 March 2011 - 05:26 AM

"It depends". It's a bad answer, but the only one I got.

Crossfire/SLI depends upon the game being played being able to utilize multiple cards, and whether the card's drivers support that game. As an example, when a new game hits the shelves, you often have to wait for new drivers to use SLI/Crossfire with it.

To be fair, most of the kinks have been worked out. AMD/ATI and NVidia have come a long way and the latest stuff (ATI 6XXX and NVidia 4XX and 5XX) scales very well. The latest ATI cards are sometimes scaling 100%, which is really impressive compared to the 5XXX series. NVidia has had very good scaling for the last couple generations.

Drawbacks- power consumption and heat. Takes a good psu to power two mid/high end cards together. Figure on an increased heat load as well.

Microstutter- kind of explains itself. Multi GPU setups sometimes exhibit "microstutters". Some people notice these, some don't.

From a financial/bang for the buck perspective, dual cards make a lot of sense sometimes. You often get better performance with two mid range cards than with a single high end card. Usually costs less as well.

I still like mulitple graphics cards because the major advantage you get :)

>Michael 
System1: CPU- Intel Core i7-5820K @ 4.4GHz, CPU Cooler- Noctua NH-D14, RAM- G.Skill Ripjaws 16GB Kit(4Gx4) DDR3 2133MHz, SSD/HDD- Samsung 850 EVO 250GB/Western Digital Caviar Black 1TB/Seagate Barracuada 3TB, GPU- 2x EVGA GTX980 Superclocked @1360/MHz1900MHz, Motherboard- Asus X99 Deluxe, Case- Custom Mac G5, PSU- EVGA P2-1000W, Soundcard- Realtek High Definition Audio, OS- Windows 10 Pro 64-Bit
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#6 the_patriot11

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Posted 05 March 2011 - 04:12 PM

[/quote]
I still like mulitple graphics cards because the major advantage you get :)
[/quote]

Yes, you do if your gaming, thats why I like them so much myself. Buut, if the most graphics intensive program you run is HD video, then the added video card is a waste of money, and if your doing CPU intensive programs such as Auto CAD or have a weak CPU, that added video card can hurt your performance more then it can help it.

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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. 

Media Center: Motherboard: Gigabyte mp61p-S3, Processor: AMD Athlon 64 x2 6000+, Memory: 6 gigs Patriot DDR2 800, Video: Gigabyte GeForce GT730, Storage: 500 gig Hitachi, PSU: Seasonic M1211 620W full modular, OS: Windows 10.

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#7 killerx525

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Posted 05 March 2011 - 05:40 PM

The power of balance! B)

>Michael 
System1: CPU- Intel Core i7-5820K @ 4.4GHz, CPU Cooler- Noctua NH-D14, RAM- G.Skill Ripjaws 16GB Kit(4Gx4) DDR3 2133MHz, SSD/HDD- Samsung 850 EVO 250GB/Western Digital Caviar Black 1TB/Seagate Barracuada 3TB, GPU- 2x EVGA GTX980 Superclocked @1360/MHz1900MHz, Motherboard- Asus X99 Deluxe, Case- Custom Mac G5, PSU- EVGA P2-1000W, Soundcard- Realtek High Definition Audio, OS- Windows 10 Pro 64-Bit
Games: APB: Reloaded, Hours played: 3100+  System2: Late 2011 Macbook Pro 15inch   OFw63FY.png





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