Oh 4K UHD resolution, but there isn't a GPU that can handle 4K smoothly now so you need to game at 1080p/1440p for now.

i7 isn't possible because i7 will take your 50% of the available budget and make the rest of the parts look awful.

Intel Core i5 6500 - RM 859
MSI B150M Bazooka D4 - RM 409
Kingston HyperX Fury 8GB DDR4 2400MHz RAM - RM 289
Sapphire R9 380 4GB GDDR5 Nitro - RM 1009

Total: RM 2566 (Techview price inclusive of GST)

Make sure your 600W PSU is providing real 600W  

Asus is expensive, minimum RM 650 for their H170 board which is not cost efficient, they haven't release any DDR4 based B150 board here, all of them are DDR3 based.

And about RAM, if you are going for Corsair so-called "gaming" RAM, then you need to sacrifice other parts because those RAMs are expensive but in return, you get nothing because you cannot take advantage of the high frequency if you are not going for a Z170 board.

Your budget can fit mostly GTX960 only which is weaker than R9 380.