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Topic Title: AMD experts.. Why is 790XT and 790FXT mobos better than 785GT?
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Created On: 12/04/2009 03:48 PM
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 12/04/2009 03:48 PM
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hunted22
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I'm about to buy a new PC and I don't know which mobo to get.

But looking at the prices, I found that the 790 mobos are more expensive than the 785, and yet, the 785 has an integrated graphic chip.

My question is, beside having 2 pcie runs at x8 or x16, is there anything else that would make 790XT and 790FXT mobos better than 785GT??

Another question, If I'm planing to run a single graphic card on my PC (not planing to crossfire), will 785GT do the job as good as 790 mobos?

in other words, many people told me that If I'm planing to getting an internal graphic card, I shouldnt be buying the 785GT mobo.. I should get the 790 instead.

Any thoughts?
 12/04/2009 04:16 PM
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moorhen2
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Hi hunted22,and welcome to the forums,it's horses for courses as they say,it all depends on what you want to do with your pc,having a lower end chipset board gives you the option of on-board graphics,so you would'nt need to buy a seperate gpu,but if you wanted to game or do any graphics intensive work,you would be very limited to what you could do with the on-board gpu.

But going for the high end FX chipset boards,you get more options and extras for your money,but as you stated you only want to use one gpu,then the cheaper board will suffice,and you can still use your chosen gpu,and just disable the on-board gpu.

Hope this helps with your dilema,??

-------------------------
AMD 965BE @4.032GHZ 24/7 VCORE 1.528v TEMPS 32C/52C
MSI 790FX GD70
3 X SAPPHIRE 4890 OC's 991/1100
4 GIG G-SKILL RIPJAWS 1600 @ 7 7 7 24 1.65v RUNNING @1680MHZ
4 SAMSUNG F1 750 GIG SATA II HDD's 2X RAID 0
THERMALTAKE ARMOR+ FULL TOWER CASE
THERMALTAKE TOUGHPOWER MODULAR 850W
THERMALTAKE BIGWATER 760IS WC
28" HANNS-G LCD 1920X1200 3ms
WINDOWS 7 ULTIMATE 32bit OS
 12/05/2009 04:38 AM
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hunted22
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Thank you so much moorhen2..

Let me ask you this..

As an owner of 790FX motherboard yourself as I can see in your system, which is quite a system if I may add, beside the high crossfire capability, what other features that 790fx possessed that 785gt lacks?

You see, I'm gonna be buying an internal gpu, but as I mentioned, I'm not planing to have two of them at least soon. so I don't wanna pay for something I'm not gonna use. but at the same time, I don't want to find out that there is a certain important feature that I'm going to need is not available in my mobo because I wanted to save $40.


As you can tell already, I don't know alot about this, and "this" means computer in general.. I need someone who knows more about this to break it down for me.

Thanks again
 12/05/2009 05:34 AM
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moorhen2
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Hi again hunted22,what particular mobo are you looking at,manufacturer wise,as you mentioned the 785g chipset,as far as i am aware,MSI have a model called the 785GT-E63 which has the 785G chipset which i think is the chipset you are reffering to.Most other board makers also have plenty of 785G based boards.

The common denominator seems to be between 1 and 2 pci-e slots,and an onboard radeon 4200 based gpu,but to give you a better insight to the differences here's a link to a better explanation of the differences,hope this gives you a better idea of what your looking for. http://hothardware.com/Article...ch--ASUS-and-Gigabyte/

-------------------------
AMD 965BE @4.032GHZ 24/7 VCORE 1.528v TEMPS 32C/52C
MSI 790FX GD70
3 X SAPPHIRE 4890 OC's 991/1100
4 GIG G-SKILL RIPJAWS 1600 @ 7 7 7 24 1.65v RUNNING @1680MHZ
4 SAMSUNG F1 750 GIG SATA II HDD's 2X RAID 0
THERMALTAKE ARMOR+ FULL TOWER CASE
THERMALTAKE TOUGHPOWER MODULAR 850W
THERMALTAKE BIGWATER 760IS WC
28" HANNS-G LCD 1920X1200 3ms
WINDOWS 7 ULTIMATE 32bit OS
 12/05/2009 10:40 AM
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Immortal Lobster
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785G - Onboard GPU, one PCIe, typically micro-ATX, limited upgradability
790GX - Onboard GPU, dedicated memory for the onboard GPU, 2 PCIe slots supporting crossfire, and hybrid crossfire with onboard GPU, typically mini or full ATX, lots of upgradeability and overclockability
790FX - No onboard GPU, 2 to 4 PCIe slots, maybe more, crossfire, mini-full ATX, lost of upgradeability


When it comes down to it, GX is the better bet, unless you plan on going with Quad-fire in the future. but with GX, you get all the punch and features of FX, and they even overclock a little better too

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The opinions expressed above do not represent those of Advanced Micro Devices or any of their affiliates.
 12/06/2009 07:12 AM
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batuchka
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Err you could also buy an even cheaper IGP chipset if the 760G is available where u at I see Asus, Biostar and MSI churning out AM3/DDR3 760G (sometimes named 780LE) The only reason i decided to get discrete is the gaming bug got me and i was moving to HTPC-light gaming (low-medium resolutions/settings) hehe Then there is the whole Fatcat theme for the mATX mobo/form factor but i digress hehe The 785G is on SB710 while 790X/GX/FX are on SB 750..those on socket AM3 that is as there are some AM2+ 790FX on SB 600. The difference apart from the expansion slots, IGP, etc as mentioned by the rest is also the RAID capability

SB 710 RAID 0, 1, 10

SB 750 RAID 0, 1, 10, 5

Further elaborating on the differences of the IGP chipsets we have

785G - HD 4200, UVD 2.0
790GX - HD 3300, UVD
Info
760G - Radeon 3000 (no UVD)

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My El Cheapo move to better PC Audio!
http://forums.amd.com/forum/messageview.cfm?catid=13&threadid=153336&enterthread=y

Edited: 12/06/2009 at 07:19 AM by batuchka
 12/06/2009 11:47 AM
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Immortal Lobster
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My AM2+ board is running a 750 SB, so it's not limited to AM3

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 12/06/2009 12:05 PM
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Orn
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OMG YOU HAS AM4 MOBO!?
 12/06/2009 12:06 PM
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Immortal Lobster
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Originally posted by: Orn

OMG YOU HAS AM4 MOBO!?


It's top secret...soo Shhhh!

lol

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The opinions expressed above do not represent those of Advanced Micro Devices or any of their affiliates.
 12/06/2009 08:59 PM
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X-tremedreamer
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Some people will spend all the money they have at once to have the computer they want. Others, like myself, cant afford to do it all at once. Doing this over I would have taken a lot different approach. In the end it is the final product you want when you are done. If you can build it all at once then great, other wise get a solid foundation that will be your cornerstone for the "future" rig. Pace yourself until you have what you want. Other wise you will wind up spending tons more money and rebuilding so many times upgrading the wrong parts until you have enough spare parts you can almost build a second or third complete rig, but instead they will be sitting on a shelf looking for an owner because you don't have some key component to build that second or third rig. Truthfully I would get the best motherboard on the market for expandability, regardless if you think today you will ever use it. With plans to pack it completely full of memory one day, even though today 16 or 24 Gig of system memory is totally ridicules. but five years from now you will want more memory and your board will be able to handle it.

So in your case I would recommend the 790FX with the SB750, on an AM3 board. Thus when AMD releases new CPUs you just need a BIOS update and you will get full bennifets of what ever AM3 CPU that AMD has to release in the next few years. Key here is the new the tech you get today the long it will be available to upgrade and build on in the future. Keep in mind, PCIEx16, will also run x8 RAID cards, x4 raid and sound cards and many other things that will come out in the future, besides just GPUs.

That's my two cents

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 12/06/2009 09:17 PM
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Immortal Lobster
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Yeah, but for that exact reason you just highlighted.... 790GX makes much more sense, has all the goodies of FX, all the stability of 770/785 and a cheap price to boot

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The opinions expressed above do not represent those of Advanced Micro Devices or any of their affiliates.
 12/07/2009 06:19 AM
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Hardwood
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And just to muddy the waters a bit, I see Gigabyte now has USB3.0 and Sata3 mobos in a few flavours.

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Spider: Phenom II 955, Antec Kuhler 920, GA-MA790FX-DS5 (F8g), ASUS 5870/V2, ASUS Xonar D2X pcie,
OCZ2N1066SR2GK (4x1gig @800), Antec Truepower New 750, Fractal Design's Arc Midi Case.
#2: A64 X2 4200+, ASUS A8V-D, SAPPHIRE AGP 1950PRO
 12/07/2009 10:19 AM
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Immortal Lobster
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Yeap, But not yet for AMD right? because they were going to implement that into SB800 If I'm not mistaken.

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The opinions expressed above do not represent those of Advanced Micro Devices or any of their affiliates.
 12/07/2009 12:08 PM
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batuchka
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Originally posted by: Immortal Lobster

My AM2+ board is running a 750 SB, so it's not limited to AM3 [IMG][/IMG]


I know - was referring to pioneer AM2+ 790FX boards like MSI K9A2 Plat and Gigabyte 790FX-DQ6 Both on SB 600

-------------------------

My El Cheapo move to better PC Audio!
http://forums.amd.com/forum/messageview.cfm?catid=13&threadid=153336&enterthread=y
 12/07/2009 01:20 PM
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Immortal Lobster
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Ahh hah, that makes sense then

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The opinions expressed above do not represent those of Advanced Micro Devices or any of their affiliates.
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