Asustek FX50JK4200, 15.6 inches1920x1080 HD screen, i5-4200H UHF/dual-core four threads, 4G memory, 500G hard disk, GTX 850m/2g [128bits].
The new K550JX4200 is naturally better, at least the graphics card has been upgraded to the new GTX950M version, and there is not much difference in others. You can also consider another notebook:
Asustek ZX50JX4200, 15.6 inch1920x1080 HD screen, i5-4200H UHF dual-core four threads, 4G memory, 1TB hard disk, GTX 950m/2g [/kloc-0].
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