This is just to know which one of these phones has an edge over the other. Here are the reasons to consider each.

Reasons to consider E6

Larger screen resolution: 480 x 640 (C7 is 640 x 360)
More standby time: 28 days (C7 is 23,1 days)
More talk time: 14,8 hours (C7 is 9,6 hours)
Higher PPI Screen: 325 PPI (C7 is 209 PPI)

Reasons to consider C7

Larger screen 3.5” (E6 is 2.5”)

What are your comments