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Advice needed on sli'ing gfx cards

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Hi all Looking to sli my rig however just need abit of advice if poss, currently i have a BFG 9600gt OC 512 gfx card, now i was looking at getting a similar one and they are coming in at £70 cheape… Read More
Avenger Avatar
7y, 7m agoPosted 7 years, 7 months ago
Hi all

Looking to sli my rig however just need abit of advice if poss, currently i have a BFG 9600gt OC 512 gfx card, now i was looking at getting a similar one and they are coming in at £70 cheapest of fleebay, now i have seen a PNY GeForce 9600GT nVidia Graphics Card brand new online for £45 delivered so
1. would this be suitable to use
2. is this as good as my bfg card
3. would there be any loss of performance etc

also if there is anything i have missed would really appreciate a heads up

Cheers
Avenger Avatar
7y, 7m agoPosted 7 years, 7 months ago
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#1
why dont you sell your current card and get yourself a single 4870 or soemthing!!! Or even a 4770 might give you better performance and will future proof your rig, and lower power consumption!!
#2
thing is i cannot afford to spend that much which is why im considering sli'ing my current rig, also surely if i have 2 half decent cards might that compare to having one of these?
#3
Avenger
thing is i cannot afford to spend that much which is why im considering sli'ing my current rig, also surely if i have 2 half decent cards might that compare to having one of these?


Well.. you can pick a 4770 up for £72 at ebuyer now!! if you can sell yours for £30 odd quid, and the original £45 you were looking to spend on the second card, you'll have enough to get a 4770 with 512Mb DDR5 memory. Well I'd say one of the 4770 is better than the SLI setup. For one thing I think the RAm is much faster and this will affect your gameplay. Plus you have reduced power consumption, and at the same time, you can X fire a 4770 at a later stage. Plus your direct-X support will be better than the 9600!!
#4
I might be wrong, Ivenever sli'ed myself but I was led to believe they had to be the exact same makes and models of cards to sli
#5
Surely though looking at prices and reviews the BFG 9600gt OC 512 is better as they are still retailing most places at over £100 each so 2 of those poss should have good potential,

I think about having the same gfx cards is a must but not sure if one would slow the other down if you had 2 different makes?
#6
Avenger
Surely though looking at prices and reviews the BFG 9600gt OC 512 is better as they are still retailing most places at over £100 each so 2 of those poss should have good potential,

I think about having the same gfx cards is a must but not sure if one would slow the other down if you had 2 different makes?


sli is a waste of time, one good graphics card is always better than 2 old graphics cards...

it also increases power consumption like crazy!

do some research, it will pay off in the end :)
#7
http://en.wikipedia.org/wiki/Scalable_Link_Interface

[edit] Caveats
In an SLI configuration, cards can be of mixed manufacturers, card model names, BIOS revisions or clock speeds. However, they must be of the same GPU series (e.g. 8600, 8800) and GPU model name (e.g. GT, GTS, GTX).[15] There are rare exceptions for "mixed SLI" configurations on some cards that only have a matching core codename (e.g. G70, G73, G80, etc), but this is otherwise not possible, and only happens when two matched cards differ only very slightly, an example being a differing amount of video memory, stream processors, or clockspeed. In this case, the slower/lesser card becomes dominant, and the other card matches.
In cases where two cards are not identical, the fastest card – or the card with more memory - will run at the speed of the slower card or disable its additional memory. (Note that while the FAQ still claims different memory size support, the support has been removed since revision 100.xx of Nvidia's Forceware driver suite.[16])
SLI doesn't always give a performance benefit – in some extreme cases, it can lower the frame rate due to the particulars of an application's coding.[17] This is also true for ATI's CrossFire, as the problem is inherent in multi-GPU systems. This is often witnessed when running an application at low resolutions.
In order to use SLI, a motherboard with an nForce4, nForce 500, nForce 600 or nForce 700 SLI chipset must be used. Although with the use of hacks and older drivers, one can make SLI work on motherboards with Intel, ATI and ULi chipsets, Nvidia has stated that only their own chipsets can allow SLI to function optimally, and that they will not allow SLI to work on any other vendor's chipsets. Some early SLI systems used Intel's E7525 Xeon chipset, which caused problems when Nvidia started locking out other vendor's chipsets as it limited them to an outdated driver set. In 2007, Intel has licensed Nvidia's SLI technology for its SkullTrail platform, and select motherboards supporting the Intel X58 (Tylersburg) chipset have unlocked SLI capabilities. Not all X58 motherboards support this technology, as Nvidia offered it to motherboard manufacturers at the cost of $5 per motherboard sold.[18]
Vsync + Triple buffering is not supported in some cases in SLI AFR mode.
A single high-end GPU is generally preferable to using SLI with low to medium-end GPUs when considering the above caveats and the price-performance ratio of the setup.[citation needed]
Users having a Hybrid SLI setup must manually change modes between HybridPower and GeForce Boost, while automatically changing mode will not be available until future updates become available. Hybrid SLI currently supports only single link DVI at 1920x1200 screen resolution.[19]
[edit] See also
#8
jackvdbuk
sli is a waste of time, one good graphics card is always better than 2 old graphics cards...


+1

The way in which SLi works also would give you a lot less of a boost than a new single slot card. More power consumption as already mentioned, compatibility issues with other hardware/software can also arise.

The only time people should be using SLi or even Crossfire is if they are going for flagship cards, running with 30" monitors and have wallets deeper than the ocean. For everyone else it is better to just sell your old card and put that money towards a new card.

Only other reason why you would want/use SLi/Xfire would be if your a folding fan.

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