Its hard to say, most the apps i had were completely passive unless i activated them,

On a second note there is a possability of the eMMc draining battery as it gets used but i dont know how this technology works,

From what i can tell, the only difference between now and then is that, the memory is empty (And even when i first got the phone, i couldn't get a day out of it haha.)

Actually i did have the CPU app (Where the wifi is) before i flashed,

Im also seing 0 frame tearing and super smooth transitions! (Well i think there capped to about 24 fps or something) because ive seen smoother on youtube lol.