Which EVGA GTX 780 is the superior card?

TYTSoldier

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EVGA GeForce GTX780 SuperClocked w/EVGA ACX Cooler 3GB GDDR5 384bit, DVI-I, DVI-D, HDMI,DP, SLI Ready (03G-P4-2784-KR)

or

EVGA 03G-P4-3784-KR GeForce GTX 780 3GB 384-bit GDDR5 PCI Express 3.0 SLI Support Dual FTW w/ EVGA ACX Cooler Video Card
 

AlexSmith96

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GeForce GTX 780 EVGA Dual Classified w/ ACX Edition is the best one of them.
Also, it has been overclocked out of the box from 863MHz to 993MHz while its boost clock is now of 1046MHz. The memory clock was left untouched.
Benchmarks indicate a 10% performance boost when compared to the reference card and so this edition performs slightly better than GeForce GTX Titan.
 

TYTSoldier

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Would either of these cards be fine with a 600CX power supply? (I think it's the model with 46a 12v rail since it was purchased late last year). Also have an i5 3570k, Samsung 840 250GB and 16 GB DDR3 crucial low profile