|-----------+---------+---------+---------|
| ldpi | mdpi | hdpi | xhdpi |
|----------------+-----------+---------+---------+---------|
| Ratios: | 3 | 4 | 6 | 8 |
| Example: | 75x75 | 100x100 | 150x150 | 200x200 |
| Emulator Type: | WQVGA 400 | HVGA | WVGA800 | |
|----------------+-----------+---------+---------+---------|
Note: mdpi = 320 x 480
(for the most part :-/)