MSI GTX 780 Lightning or EVGA GTX 780 6GB

Changing it to a 780 6GB would be a complete waste of money. That GPU is a beast. But don't forget that 2 GTX 570s are also pretty good, so it's kind of normal that your performance didn't double. But it should outperform the 2 570s nonetheless, which is weird... Maybe you have some kind of bottleneck in your system.

Hi what are your system specs, what resolution are you playing at. what frame rates are you getting in games. if you have a bottle neck a 6gb card is not going to improve what is going on. i Have a 780 Ghz so i should be able to tell you if your frames are about right. i too upgraded from 2 560ti's i have noticed substantial gains in most games. once i know where all your games are at any system hardware we can work out if your card is running at full potential. a 780 6gb wont help unless your gaming at 4k or demanding 2560 gaming and you would need 2 cards to make 4k playable

id stick with what u have getting a 6gig card wont give u increase in fps and be wasting money.

i doubt 4% makes a difference also evga has better tech support and quality control imo

4 % is 4% for lowest cost and don't forget noise reduction..... If ya boss cut ya salary by 4% would you say it doesn't make a difference ?

Have you had an actual problem or is your view based solely on anectdotal 3rd party experiences or just reading lotta posts saying "....has good customer service" ? Yes, I know lotta peeps love the trade up program but do you have any actual experience using it ? I'm not trying to be argumentative but I ask because I have asked before and 95% have had never had a problem that required the assistance of a CSR.

The biggest problem with EVGA SC series was the weak VRM. While everyone else was using custom PCBs and beefed up VRMs (Asus and MSI had 6 phases, Giga had 7) for example in the 5xx series if cards, EVGA stuck with the reference PCB with a 4 phase VRM). The 570s with reference for example were well known for weak / blown VRMS.

Just to provide some counterpoint, my last tech support experience with EVGA involved 20 support calls over 18 months and 5 RMAs. The impression I giot over this period was that it is their modus operandi to make you do the very same things all over again that you did on all the previous calls and hope you get tired and go away.

They blamed the Motherboard (Asus Rampage), they blamed the Memory (Mushkin w/ Hynix Modules), the blamed the PSU (10.0 jonnyguru rated). The card was a factory overclocked card that could not run at the advertised speed. I set up trials where I went in 10% increments between the "reference speed and the advertised speed" and never on any of the 5 cards was able to get past the 1st one.

It was always something else's fault and we'd always have to open the BIOS, confirm various settings (same settings as last calls) . If it was "something else", I would repeatedly ask, why is it that I have managed to put two 560 Ti's in there made by Asus and get a 28% overclock whereas their factory overclocked card had to be down clocked to run stable ? each RMA involved the loss of the computer and took sometimes as long as 2 -3 weeks between setting up RMA sending it back and getting replacement. After 18 months they sent us a next generation reference card (580) which runs OK ... IIRC, I managed a 12% OC on it.

to be honest its from others experiences ive never had to rma anything in my life to be honest im lucky, and i can admit you know just as much or a bit more than me on computer hardware.

and noise reduction and lower cost does make sense.

also do u know why they would make the card with 2 phases less than the competition doesnt make sense.