It's is likely that Samsung will announce the Galaxy S5 in three weeks at the Mobile World Congress. Samsung distributed invites tagged as Unpacked 5. The Mobile World Congress announcement will take place on Monday the 24th in Barcelona. Samsung will live-stream the event. We expect the Galaxy S5 to get a 5.2" Super Amoled screen with 1440p resolution.
Then expected processor is a Snapdragon 805-soc from Qualcomm with 4GB RAM and a 16MP-camera with Samsungs Isocell-technology.