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Using 690 GTX but can't see a sensible upgrade...

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Joined
16 Mar 2011
Posts
17
I know the 690 is still a very good card so I should explain why I want to upgrade. First of all I use a 120Hz monitor so 120fps is the aim and despite only using 1080p resolution this can be difficult, even for the 690. Also the games I play are very demanding - rFactor 2, pCARS, Assetto Corsa, Arma 3 etc, so I need all the power I can get. I also play some less popular games which don't have SLI support and therefore a single 680 (half of the 690) isn't the best for this anymore.

I have a budget of around £800.

This might sound like a simple answer, but I have some complications to consider.

Problem number one - I have a Maximus V Gene motherboard, so any SLI/Crossfire setups will mean having the two cards sitting right next to each other. There is barely any space at all between the two PCI-E slots so this will affect temps and any cards with extra large coolers are out of the question. I do have a good case though (Silverstone FT02), so the airflow is decent at least.

Problem number two - I only have a 750W PSU, however my PC is very much 'barebones' - it has a motherboard, CPU, RAM, GPU, a single SSD and the case fans, nothing else. This size of PSU is fine for the 690, and maybe for 780 SLI, but I doubt it would be enough for AMD cards.


Looking at the options,

780 SLI (£800) - A performance increase but not huge. Not sure if two reference coolers would be best or something like EVGA ACX.

780 Ti (£520) - Only a single GPU so a step back in performance (apart from in games which weren't using SLI).

780 Ti SLI (£1000) - Nice performance increase but well over budget.

R9 290 Crossfire (£640) - This is an option I'm seriously thinking about as it seems 290's in Crossfire are very powerful and often ahead of 780 SLI despite being £70 cheaper per card. So the price is good, but the reference cooler is a joke and I don't know how well third party coolers would work with my motherboard (being so close together). It's the type of thing I wish I could 'try before buying'. Also my 750W PSU would be right on the limit with these, in fact I think I'd have to buy a new PSU with them so suddenly the price is heading back to £800.

R9 290x Crossfire (£840) - These are just over budget but again I'd probably need a new PSU which would put the cost closer to £1000.

R9 295x2 (£1100) - Probably the ideal solution for my setup (motherboard) but the price is just comical. Not sure of PSU requirements but I assume it is less than two 290x's.


And that's about it. I think the main problem for my current situation is NVIDIA's lack of a new dual-GPU card. If they released the GTX 790 for £800/£900 I would seriously consider that, but it doesn't exist yet, and their Titan Z which is coming soon is probably going to cost £2000. These kind of prices are just silly, even my £800 budget feels completely ridiculous, as was the £750 I spent on the 690 when it came out. :eek:

Sorry to be a bother, just looking for some input, and I think you guys are always the best for hardware questions. ;)
 
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Not read the whole post and stopped when I see what games you are playing. What CPU do you have? Those games you mention are sim's (as such) and are very heavy on the CPU.

I have a 3570k at 4.4Ghz.

I know a lot of the games are CPU limited, but for adding high levels of AA or post processing effects a more powerful GPU always seems to help.
 
Gotta say upgrade that CPU it's holding back the GPU usage on both cores of your 690 just like it does with both my 670's. go for a 2600k or 3770k and it will unleash more performance. That's exactly what I'm going to do for a fraction of the price of new GPU's.

Is this really true?

From what I had read I got the impression the more expensive chips with Hyperthreading showed barely any performance boost in games, and they were only worth it for multimedia stuff. That's why I went with the 3570k.

If the 3770k would make a difference I might consider it, although it seems like the best thing to do is wait a bit longer as a lot of people have said. Hopefully NVIDIA will start selling a 790 or launch the 800 series for desktops.

Thanks everyone for the replies.
 
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