The K900 scores 27,398 while the S4 scores 27,730.
CPU War Exynos 5410 vs Intel Atom Z2580 VS MTK mp4 Running Score
CPU War Exynos 5410 vs Intel Atom Z2580 VS MTK Playing 1080P Video
Nice, a DUAL core from Intel beating the Octacore from Armh (Samsung) in CPU score in Antutu :)
Looking at the video now, but right away I notice that Lenovo K900 looks like the coolest and sexiest phone out of the 4. The Samsung looks more like old school by now.
Sentiment: Strong Buy