GTA 4

JasonKnights

JasonKnights

JasonKnights

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Joined
25 Feb 2011
Posts
476
Location
Manchester, UK
Hi there I have just updated my system from a q9550 @3.6 with 8GB DDR2 to a new sandy bridge. ive kept my old gtx 295 card for a while until the gtx590 is released or maybe the nvidia 600 series as im told my card is still very good for now! the only thing what bugs me is gta4 thinks i only have 850MB of GPU Memory instead of the 1792MB 2 x 896MB i have its a dual GPU video card. so it only lets me turn the setting to medium for some and high for others. where as i should have everything on ultra high. is there anyway i can override the default settings so its lets me use my card to its potential.
 
Multiple gpu's don't work like that. You don't add the memory for each core togther. SLI renders alternate frames between the cards, so each frame only has 896mb to work with.

The game is detecting the cards correctly: You'll need something more powerful if you want to max everything out.
 
oh right :( i thought it was 2 cards both with 896MB each with 2 gpus on the same curcuit board. my card is still on of the most powerful cards on the market even though its pretty old. it plays every other game i have at max without any probs. there are lesser cards on youtube with 1GB of memory with the settings right up?
 
Nope as said sli or xfire uses the memory max of one card it doesnt combine them.

Depending on sli optimised for gta4 you can use command lines to ignore the memory limits and allow u to max the game.
 
You have 896mb RAM. With dual-card setups, each cards' memory has to mirror the other. So 2x896 is needed just to have a total of 896mb.
 
i see, bit of a con when they sell it as 1792MB. so if i get the 590 it is supposed to have 3GB so that will only really have 1.5GB like the 580? so id be best just gettin 2 580s?
 
I really wouldn't be put off the GTX 295 just because you can't max out GTA4 - that particular game is a dog. For most other modern games the GTX 295 should handle them very well - and few can be scaled to use as much as video memory as GTA4.

As for it being a con - I'm not sure. Technically there is physically 1792MB of video RAM on the card - its just can't be utilised like a standard single-GPU card.

If the GTX 590 is being advertised as 3GB - then that will also mean 1.5GB per core. However, there are a few 3GB GTX 580s banging about now - so perhaps they will released a 6GB GTX 590 (if they can find enough room on the PCB).
 
Its all mad how things move so much, I spent around £500 on my graphics card and was replaced a few months later, they should have a rule like on football shirts. Only reason for the advice is I don't wanna make the same mistake twice :)
 
The lesson you should learn from here is that high-end cards always come with a premium, which is vastly depreciated when the next gen mid-range card is out.
 
Dont' stress it OP, I've tried two cards both of which have 2GB VRAM each (4890 2Gb and a 6970 2GB) and GTA4 still didn't run properly. Compared to literally every other game I've ever played - despite it's great content - IMHO GTAIV just doesn't work properly on PC.
 
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