Graphics Cards related queries here.

quadroplex780

Maximum Fame
For ajayashish

Thanks for the suggestion... Do u know if P5N32E-SLI available in Kolkata or not... and if i got with 512mb 8800GTS which brand should i choose and what will be the price...
What you should do is ask Rashi peripherals(Kolkata branch office)if they have P5N32-E SLI in stock.I instead of going to the vendors ask the distributers,as you know the vendors look for bulk purchases(multiple no. of pieces have discounts from the distributer)of the products that sell more often so if no one is willing to buy the mobo naturally to escape losses the vendors will stop purchasing that particular mobo(P5N32-E sli in your case) from the distributer and tel you lies to make you buy some cheap mobo(in some cases they will tell you that low end mobos are better than the high end ones in terms of performance and features)don't believe them and do your best to getthe one you want.
When u call the office tell that you are a reseller(or vendo)of computer parts and ask if they have any stock left of the P5N32-E SLI(don't buy defective old stock of the same mobo).If they say yes then tell them you need info on where to buy that mobo like a customer or ask them which vendor is willing to sell it.Well I went to great extent for this mobo I continuosly called the rashi branch in my city to ask the least price for which a customer could purchase the mobo and they always told me "Aree price to vendor hi batayega" but its not the vendor who decieds the price its the distributers,they even stopped discussing anything regarding a product on the cell from me so I went to the office and told them about the mobo I wanted to buy(and many other products)and the incharge there agreed to import the mobo from mumbai and even told me that he imported the Gfx card from abroad for me though i think it was mumbai.
However you can as well opt for the new 790i chipset and not go through all the hassle as the board patners of rashi will be more interested in encouraging new products.
Here's the intel on the kolkata branch.
KOLKATA
Rashi Peripherals Pvt Ltd.
19, R.N. Mukherjee Road,
Eastern Building, Ground Floor,
Kolkata - 700 001
Tel No.: +91 - 033 - 40011603/1604
Fax No.: +91 - 033 -22153366
Email : gopalp@rptechindia.com
Official Rashi New site
Now for the graphics cards you might consider Staying Away from XFX 8800gt as only recent ones have fan control on them(3 or more fan wires)and they are costly the old ones with no fan control are less costly,the fan runs at 100% all the time on old XFX 8800Gt and can be irritating to some.Luckily my brother got one with fan control.
As for Asus there are older models for 8800gt with heating issues and all asus 8800gt products come with a custom temp sensor so only Newest beta of Asus Smart doctor software can monitor its temp.Newer versions have no heating issues due to the custom Dual slot cooler provided with them.
The 8800GTS(G92 512MB) is no worry as there are many less cases of problem with this chipset(more dime was spent on this baby's manufacturing).
If there is a lot of problems froms Rashi's side you can order the products from Here just rember to ask for the copy of the bill when u order the product(as Rahul probably does some gaphla sometimes to save tax on challan)if you do not get the bill on shipment then ask him to send it via email(he promptly did it for me for a 600w cooler master PSU).
 

ajayashish

Living to Succeed
Re: All Graphics Cards related queries here.

Hey thanks for the support... is there any model number for the 790i boards u are talking about.. and what is the added advantage of this board...

I am from Kolkata and so i believe that address provided by you will be helpful to me as well...

Also let me know whether to go with GT or GTS and what memory size... i can spend around 20k on the graphic card...
And also if i should go for SLI or just purchase one card for now... if it is SLI then i might increase the budget a bit
 

quadroplex780

Maximum Fame
For Ajayashish

Please read carefully
ASRock Penryn 1600SLI-110dB is a mobo based on the older nVidia nforce 650i SLI chipset which supports both quad core and dual core penryn 45nm processors(its a surprise for most as most of 6 series chipset don't support penryn)
Expect to run an C2d e8400 or a C2E QX9650 with good overclocking capability.
It also supports SLI and the rest of the features of 650i SLI.Expect it around at Rs7000-8000 but also expect a fall in price with the soon to be realeased 750i Asrock.
The ASRock Penryn 1600SLI-110dB
*images.anandtech.com/reviews/motherboards/asrock/1600penryn/asrock1600.jpg
750i SLI
If u want better overclocking support you can go for for the soon to be realeased 750i SLI chipset which has pci ex-2.0 support but with a bridge as on the 780i sli but overclocking has been heavily tweaked from the former nforce 6 series as has been on the 780i SLI+u get support for Quad core 45nm along with the usual Dual core 45nm.
Don't go ahead and buy the P5N-D(ASUS 750i SLI,don't confuse with P5N-T which is 780i SLI)which has already been released as a guy was havin trouble with sli on it(he was among the few who bought P5N-D).
The boards on this chipset should be around Rs9000
Exterme High end-790i SLI
Here's a pic of the Gigabyte nForce 790i SLI-DQ6 mobo

*www.dvhardware.net/news/gigabyte_sli_dq6_dh.jpg

Specifications for 790i:
nForce 790i SLI chipset
45nm Penryn Support (Dual and Quad Core)
FSB1600/1333/1066/800MHz
4x DDR3 DIMM Slots
1600MHz DDR3
4x PCIe X16, 1x PCIe X1 and 2x PCI slot
Triple SLI support
So u can expect running 2 nVdia Gfx(s) for ageia physX and another two for SLI gfx.U can expect huge performance leaps when the cards are interconnected via a bridge as there will be less cpu bottelneck due to the bridge and the gfx(s) processing the physics.There is a hint that it might become standard as nVidia said it will work with amd too for this.The 790i only supports DDR3 so it will cost u a ton.
Anyways I will tell u more about it if u are interested in the 790i the lowest price u can expect it at is around Rs14,000 but even as high as Rs21,000
Video and graphics processing
As for the graphics card definitely go for the XFX 8800GTS(g92 512MB)for your budget if u can get it for Rs19000 but its doubtful.XFX is one of the best quality manfacturer of high end products but if you can't get that go for other brands such as POV,MSI or ASUS with Asus GPU(s)being the most hard to find in India since not many buy ASUS GFX.
For Asus-Rashi Peripherals
For POV,MSI- Tirupati Enterprices
I don't know about the Asrock distributer but the boards from it are widely available.
Will be updating if there's any new news
 
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ajayashish

Living to Succeed
Re: All Graphics Cards related queries here.

ok so this only supports DDR3... not that will be a problem on my pockets
 

spikygv

Wise Old Owl
Re: All Graphics Cards related queries here.

how much is the 8800GTS g92 ? if its at 19k , isnt it better to go4 3870x2 ?
 

Harvik780

ToTheBeatOfUrHeart
Re: All Graphics Cards related queries here.

ok so this only supports DDR3... not that will be a problem on my pockets

I suggest the best bet for you would be Asus 780i or 750i SLI.They are DDR2.I think if you ask the distributor they will readily make any one of them available.
 

quadroplex780

Maximum Fame
Re: All Graphics Cards related queries here.

how much is the 8800GTS g92 ? if its at 19k , isnt it better to go4 3870x2 ?
Sagargv,please do take my words lightly,XFX 8800GTS(G92) is a very high quality product(XFX always does that for the newest high end)hence its costly(cost may vary with different part no. as its for the bundle and accesories).I have personal contact with Rashi's main man at my place and he tells me every factor on which price is decieded the main being demand at that particular place and the profit earned by Rashi.
Suppose that you order a Gfx card from another city the means of travel between which is only plane then it will cost u more and even more if its imported from abroad.
Have you played with a crossfire system or SLI cause if you observe correctly then at higher resolutions where the FPS dips to 30 or below the pecieved performance by the eye will be much less than a single card this phenomenon is known as Micro-Stuttering and can be verified with the help of fraps it takes place in the SLI case of AFR which is the most used in games but nVidia have promptly fixed it in many games but it can be seen on 3DMark06 where FPS easily drops 30 in some benchmarks.In the case of crossfire the condition is much worse.
If u need explanation regarding this it can be easily done.
 

spikygv

Wise Old Owl
Re: All Graphics Cards related queries here.

do explain more..i remeber reading something in this forum regarding SLI and crossfire problem written by you..why is it happening ? is it because work is not being efficiently distributed between the 2 gpu's ? i know this is far too layman terms ..but plz tell me more.
 

quadroplex780

Maximum Fame
Mcro-Stuttering explained

do explain more..i remeber reading something in this forum regarding SLI and crossfire problem written by you..why is it happening ? is it because work is not being efficiently distributed between the 2 gpu's ? i know this is far too layman terms ..but plz tell me more.
The cause of the problem is very easy to identify,In case of Alternate Frame Rendering 1 image each is processed by the two graphics cards simultaneously after the processing finishes the slave card sends the processed image to the primary card which then displays the 1st image and the then the 2nd image after an interval of 10ms but after this no image is ready to be displayed and the cards are again processing the 3rd and fourth image simultaneously,So after suppose the image processing has been completed by the two garphics cards in 40ms to the 2nd image being displayed the 3rd and 4th images are displayed after an interval of 40ms and 50ms respectively to the 2nd image.
It goes like this-1st image-10ms-2nd image--40ms--3rd image-10ms-4th image--40ms--5th image
So u can see that the image distribution is irregular.
Thus it feels laggy though the FPS may be 30.
 

spikygv

Wise Old Owl
Re: All Graphics Cards related queries here.

ok. but then in a single card setup , the time difference between the 2 images being displayed should be a constant 40ms producing more lags ?
 

quadroplex780

Maximum Fame
Re: All Graphics Cards related queries here.

^^U forgot that in SLI time is also spend in transferring processed image from the slave card to the master card but not in a single card setup that is what makes it much worse as in single GPU there is no such thing.
The 1st 2 images are not really different.Suppose this-How can u predict the players next movement so if the player moves in a game the scenery should change but the 1st two images that are rendered are almost identical(SLI cannot predict the player's movement in the 2nd image as its processed at the same time as the 1st)so if they are rendered one after another even when the player moves he sees the same image twice then after 40ms a new image is displayed(since now data is available about the player's move)this image and the 5th image are identical but(since processed at the same time)but account for the players move that occured after the 2nd image.So basically u see the same image twice and hence the high FPS inspite of lag.
It can only feel smooth if the distribution is even.
 

spikygv

Wise Old Owl
Re: All Graphics Cards related queries here.

yeah, that makes sense to me. so the solution would be to make the two cards process the same image. part of the image by the first card and the remaining part of the first image itself by the second card. . is that possible ? any other solutions ? and what are nvidia and amd intending to do about this problem..

recently i read another interesting article. .it says that timedemo's in games are studied and the cards drivers ( or may be the other way around also ) are optimized for timedemo's and not the entire game. .that article claimed that a single 8800ultra is quite close to 3870x2 in actual gameplay but in a timedemo ( say crysis ) 3870x2 seems to be a tad faster.

so , are these timedemo's trustable ?
 

quadroplex780

Maximum Fame
Re: All Graphics Cards related queries here.

Split Frame Rendering in SLI and Tile rendering in crossfire refer to the same image data being distributed among the 2 Gpus and then when each GPU completes it task the various parts of image(2 parts in SFR and Tiled parts in Tile rendering)are constructed into 1 image by the master card and then displayed unforunately nVidia and ATI are not experts in these two fields of SLI & crossfire and hence these techniques are less used in games and if you force this technique it will lead to performance problems because the game is not ready for SFR or Tile rendering.
 

quadroplex780

Maximum Fame
Re: All Graphics Cards related queries here.

^^nVidia and ATI have fixed this issue for crysis and Dirt you know why because FPS in these games is always low at high reolutions @<30 in the newer drivers.Call of Juarez Dx10 & 3DMark06 still need to be fixed by nvidia for SLI micro-stuttering but I am sure they are promptly working on the problem.It requires a driver level optimisation for evening out the Frames.
Games which are affected form micro-stuttering on SLI include the following
1)NFS-PRO Street
2)Clive Barker's Jericho
3)Lost Planet
And there are many others which I don't know or haven't been observed by the experts via Fraps.
Some nVidia officials have decieded to hide this fact from the consumers to maintain their SLI gpu sales.
 

quadroplex780

Maximum Fame
Re: All Graphics Cards related queries here.

^^Don't know exactly about that but most probably by evening out the data send to the GPU for processing that is why its more complex a method to solve the problem as different games require different approach for the amt. of GFX data they send to the driver.
 
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