Roark over Strasburg? No.
Career stats for Strasburg vs. Atlanta
12 starts
58.2 IP (less that 5 IP per start for whatever reason)
3-4 W-L
3.85 ERA
Roark's stats are not too significant because of the small sample size, but in 3 games pitched against the Braves:
1 start
13.0 IP
0.00 ERA
4 hits
2 walks and 12 strikeouts