Bought a near mint Bio 200g yesterday so I can now compare both frames for you.
I feel like the stiffer B200G serves better and has more accuracy on that stroke but the two rackets are nothing alike. The 200lite is a special frame that is better for counterpunchers with good hands because with its flex it is great at absorbing pace and also redirecting it. The 200 lite is for players that vary their strokes a lot.
The B200g has more power but similar (good) accuracy so its better suited to shorter more compact strokes. I could take huge topspin cuts from the baseline with it too and was great for digging out low balls on the way to the net. Not as all around a racket as the 200 lite which works really well for players with very good hands but dont like the net.
Both are good doubles sticks.
Extreme Eastern BH, 2Pacific x Feel Pro 95 12.83oz 9pts hl, Head IGPMP 13 oz, 9ptsHL, Fischer M comp 95 13oz, 1 Becker London Tour