Compare X2 Vs X3r Bat Caddy Testimonials ATI Radeon 4870 X2 Vs Radeon 4870 ?

ATI Radeon 4870 X2 vs Radeon 4870 ? - compare x2 vs x3r bat caddy testimonials

I've recently bought, a Radeon 4870 I am very happy, but I've heard that the Radeon 4870 card X2 on my way out differently, because it has the power of photo-realistic graphics engine.
I would like to know if my card has the same quality as X2 or Radeon 4870 should be better as compared to Radeon 4870 fires.
Conclusion: Is my graphics card, a Radeon 4870, also shows the photo-realistic graphics as X2 Radeon 4870?