Originally Posted by Sensamic
I've tried both and the SGS5 is faster and more fluid.
I wanted to buy one ... I've been trying the LG G3 (16MB) in the shop today (stock software).
It is not as fast as I had expected and the UI has lags.
My S4 with stock android (google play edition) feels faster than the LG G3.
They did not have 32MB in the shop; so I'll wait until I can get my hands on that model to try.