GTX 770 vs GTX 780 vs heat issues?

Hi All
posted a couple times since starting this build and have gotten great advice
anyways here is my rig so far and some more questions for everyone
Mobo: ASUS P8Z77-V PRO
CPU: i7 3770K
RAM: Corsair Vengeance 16GB (2x8GB)
HDD: WD Caviar Black 1TB
HDD: Seagate Barracuda 2TB
SSD: Samsung 830 Series 256GB
Optical: DVD/CD Burner
PSU: SeaSonic X750 Gold 750W
CASE: Apevia X-Cruiser
Monitor: ASUS VH236H

so ive got everything together running fine but now I am way overdue for a graphics card... (have been running Integrated Graphics :( )

I thought I had narrowed it down to a GTX 770 2gb but I want something thats going to last a while so then I was thinking GTX 770 4gb in case I upgrade the monitor and theeen I started reading up on the GTX 780 which seems like when I needed to upgrade I could just get another one as SLI GTX 780 would be a much better choice

here is all the questions :)
With any of these cards should I go with the "blower" design since my case is probably not the coolest out there? or should I bite the bullet and just get a new case now? (I only have 120mm fan in the back and 2 80mm fans in the front)

I know the cards run cooler with the different manufacturers coolers (ACX windforce etc) but if the temps in my case go way up will it even matter?

also is the blower/ reference design better for SLI as that it wont "choke" the other one next to it?

will my PSU be able to handle 770 SLI / 780 SLI?

so 770 or 780 and which design? and do I definitely need a new case or can this one suffice for now? (I will most likely have to upgrade at some point)
4 answers Last reply Best Answer
More about gtx 770 gtx 780 heat issues
  1. The 750 watter is too small for twin 780s and if it were me (overclocking) Id use an 850 on twin 770s....if ya doing that, might as well get a new case and be done with it.

    You are a little "late to the table" so to speak as this deal (Corsair 500R and HX850) was a steal but expired Monday

    Case - $180 - Corsair 500R White
    $45 MIR - $20 off w/ promo code EMCXPVM27, ends 7/4
    PSU - incl. w/ above - Corsair HX850 included with above

    That deal has been on and off repeatedly last few weeks so watch the site and be ready to jump. case however at $70 (MSRP=$140) is still a steal

    the 750 watter be fine if ya don't overclock both the GFX cards and CPU.
  2. Best answer
    The 780 is a poor Price/Performance ratio. I'd suggest the GTX 770 as it'll play all the current titles at High/Ultra settings @ 1080p as it is. It's cool, quiet if you get a non-reference cooler. And if you SLI them it'll destroy a 780.

    Whether you get 4GB or 2GB depends on what resolution you play at. The GTX 770 2GB works well even with all the graphic mods I'm using with Skyrim (which eats up all 2GB @ 1080p granted). Nothing else uses that 2GB at this point though.
  3. I wont be getting a new PSU in the near future I just bought mine a couple months ago...
    (got it for $89 so I couldn't pass it up) **also I'm not overclocking anything at the moment**

    but say a year or two down the road and I most likely will have to (is the next gen GPUs going to be more power hungry or less?)

    any predictions on how long a single 770 will be relevant? (aka when they start struggling to play the latest and greatest)

    so it looks like Ill jump on the 770 or 780 now
    then in a year or so ill have to get a new case and PSU along with another 770 or 780 (unless it makes more sense at that time to get a 800 series or whatever is available then...too many options)

    Sooo if you guys were in my situation with a mediocre case looking down the road to possibly SLI is it better to go with reference or non-reference coolers? Im not sure if its better to have a cooler card with possibly hotter temps in the case or a hotter card with less hot air in the case

  4. It's always better to get a non reference cooler in my mind. They are substantially better at keeping the GPU cool. Unless your case is sealed up air tight. Even a crappy case should have at least one air intake in the front and an exhaust fan in the back.

    Your PSU is plenty for a single video card.

    As to when the GTX 770 will become irrelevant. That's purely conjecture/speculation. Keep in mind of course the GTX 770 is a GTX 680 (just tweaked/OC'd basically). So it's still "yesterday's star video card". The next gen I'm sure will be a fair bit faster.

    The next gen games will probably all run something like Crysis 3. I can see someone being happy with a GTX 770 for a couple years potentially depending on resolution and whether you absolutely have to have "Ultra" settings or not.
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