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July 6th, 2007
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| Beer Drinking Association
 Join Date: Feb 2007 Location: Longview, Texas
Posts: 200
|  VGA vs DVI On video cards that have both a VGA and DVI output, is there any performance diff between the two?  Athlon 64 4000+ 2.4 ghz 2 ghz HT 2 x 1GB PC3200 RAM LG Lightscribe DVD/CD write 18x/48x read 16x/48x Windows XP Pro SP 2 & Windows 2000 pro sp4 BFG Geforce 7800 GS OC 256mb running dual displays Zalman CNPS9500 CPU Cooler K8 Triton GA-K8U-939 Mobo w/ULI M1689 Chipset Xion 600W PSU w/dual 12v rails | ||||||||||||||
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July 6th, 2007
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 Join Date: Mar 2007 Location: Pacific Grove, CA
Posts: 4,184
| Re: VGA vs DVI You would think that the DVI would be better but I don't know................... Intel Core 2 Duo E8400 + Thermalright Ultra 120 Extreme DFI Blood Iron P35-T2RL + Thermalright HR-05 IFX 2GB G.Skill 800MHz F2-6400PHU2-2GBHZ EVGA GeForce 8800GTS 320MB Silverstone Decathlon 650W Western Digital 250GB SATA II | ||||||||||||||
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July 6th, 2007
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| Meow means woof in cat.
 Join Date: Oct 2006 Location: Elba, AL
Posts: 1,903
| Re: VGA vs DVI I've had some weird things happen with DVI, I try to stick with VGA. Intel Core 2 Duo E6420 Conroe @ 2.80GHz Cooler Master GeminII - Thanks Rich and HL! GIGABYTE GA-965P-DS3 (rev. 1.3) EVGA GeForce 8800GTS 320MB @ 726/962 CORSAIR XMS2 4GB (4 x 1GB) DDR2-800 OCZ GameXStream 600W PSU Maxtor 300GB 7200RPM SATA150 16MB cache HDD Seagate 500GB 7200ROM SATA300 16mb cache HDD Sony NEC Optiarc 18X DVD±R DVD Creative Sound Blaster X-Fi XtremeMusic 7.1 ZyXel m-202 802.11g adapter Antec Nine Hundred Creative 5.1 speakers Viewsonic Optiquest q20wb 20" LCD | ||||||||||||||
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July 6th, 2007
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Join Date: May 2006 Location: Rhode Island USA
Posts: 1,716
| Re: VGA vs DVI DVI will have better image quality, but performance will be exactly the same unless running at a higher res. Opteron 64 165--1.5GB DDR--ECS KA1 MVP(thanks HL!)--x1800GTO 256MB--Seagate 320GB SATA--Antec 550 Watt--Antec P180 | ||||||||||||||
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July 6th, 2007
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Join Date: Jul 2007
Posts: 2
| Re: VGA vs DVI i do not think that with these new monitors and video cards there are differences between the dvi and the vga | ||||||||||||||
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July 6th, 2007
| #6 | ||||||||||||||
| Modder-ator
 | Re: VGA vs DVI DVI and VGA are both going to look very similar. DVI is a digital signal (which is what your video card processes in the first place), and VGA is an analog signal (so it needs to go through conversions). If you are playing HD content, then you need to go through an HDCP compliant DVI or HDMI connection, VGA doesn't support HDCP. I prefer DVI over VGA.  | ||||||||||||||
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July 7th, 2007
| #7 | ||||||||||||||
| They calls me [Dr. V]
![[Dr. V]'s Avatar](http://forums.hardwarelogic.com/customavatars/avatar215_28.gif){kind=avatar} Join Date: Nov 2006 Location: Toronto, Ontario, Canada
Posts: 1,633
| Re: VGA vs DVI No matter how noticeable, and no matter anything else, DVI will always have better image quality. Whether one person notices it and another person doesn't, the reality is there. Like blake said, it rests highly on conversions. ANYTHING converted ANY number of times will always lose SOME quality - no matter what. Since a video card sends a digital signal natively, and a DVI connection is exactly that, there is absolutely no conversion necessary - best quality possible. For VGA, signal must be converted once from digital to analogue = quality loss, no matter how significant. Also, the HDCP issues is definitely there. HDMI is even better, because it carries audio AND video. This is a straight and smooth information pathway for audio and video together in its purest form...HDMI is perfect quality right now. HDMI is the reference to having the perfect signal quality at the moment cuz there is nothing better.  | ||||||||||||||
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