HD 4870 X2 Crossfire vs 7770 crossfire

I have recently just built my first build and want to know the best option for a video card.

Mere's My specs:

-Intel Core i5-3570K Ivy Bridge 3.4GHz (3.99GHz Turbo OC) LGA 1155 77W Quad-Core Desktop Processor Intel HD Graphics 4000
-G.SKILL Ripjaws X Series 8GB 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory
-ASUS P8H77-V LGA 1155 Intel H77 HDMI SATA 6Gb/s USB 3.0 ATX Intel Motherboard
-CORSAIR CX Series CX750 750W ATX12V / EPS12V SLI Ready CrossFire Ready 80 PLUS BRONZE Certified Active PFC Power Supply
-PowerColor AX4870X2 2GBD5-H Radeon HD 4870 X2 2GB 512-bit (RUNNING CROSSFIRE)

The Video Cards came free from a friend and run amazingly. They're outdate but run games like a boss still. They can be quite loud though. I am debating between keeping the Cards or selling them to buy 2 HD 7770's and running crossfire. Can anyone tell me benchmarks or comparisons of the two.
3 answers Last reply
More about 4870 crossfire 7770 crossfire
  1. crossfire with that setup is a horrible idea. two reasons.
    1 microstutter. if your not familiar with it look it up. it makes games look bad.
    2. virtu mvp. your board supports it. again look it up if your not familiar with it. it makes games run so smooth its a wonder why we didnt have it before. of course you cant set your game to ultra with a crap card and get anything playable but its very nice for proper settings.

    so i think you should have a single card. a 7870 is twice the price of a 7770 and twice the performance. but uses less power, can be crossfired later on if you feel the need. and if you get one with reviews showing its quiet you will have happy gaming times.
  2. So how does the 7870 compare to the 4870 x2's?
  3. Best answer selected by ara_430.
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