Resolution of 720p is 1280*720.
The effect you're noticing is the placebo effect. You think it looks better because you installed it. If you post screenshots or videos, it'll look the same because dolphin doesn't support physX eyecandy.
Optimize quantizers helps in some games by 5 fps, but breaks some games and make them black, have incorrect geometry, or some other graphical issue.
To speed up, turn on dual core, run on the 64 bit build, turn on optimize quantizers, turn off audio, disable efb copy and destination alpha, etc. This will speed up but might bring graphical issues.
The effect you're noticing is the placebo effect. You think it looks better because you installed it. If you post screenshots or videos, it'll look the same because dolphin doesn't support physX eyecandy.
Optimize quantizers helps in some games by 5 fps, but breaks some games and make them black, have incorrect geometry, or some other graphical issue.
To speed up, turn on dual core, run on the 64 bit build, turn on optimize quantizers, turn off audio, disable efb copy and destination alpha, etc. This will speed up but might bring graphical issues.