Assuming you're gaming on 1080p.
Intel Core i7 6700 - RM 1318
Gigabyte H170-HD3 (D4) - RM 486
Kingston 8GB DDR4 2133MHz Value RAM - RM 196
Sapphire R9 390X 8GB GDDR5 Tri-X OC - RM 1945
Kingston HyperX Fury 120GB SSD - RM 209
WD Blue 1TB HDD - RM 215
Seasonic M12II EVO 620W - RM 363
Corsair Carbide Spec-01 - RM 240
Total: RM 4972 (ETech price inclusive of GST)
Intel Core i5 6600K - RM 1025
Asus Z170 Pro Gaming - RM 719
Corsair Vengeance LPX 8GB DDR4 2800MHz RAM - RM 339
MSI R9 390 8GB GDDR5 Gaming - RM 1537
Kingston HyperX Fury 120GB SSD - RM 209
WD Blue 1TB HDD - RM 215
Seasonic M12II EVO 620W - RM 363
Corsair Hydro H55 - RM 266
Corsair Carbide Spec-01 - RM 240
Total: RM 4913 (ETech price inclusive of GST)
Non-oc build packs with more performance.
Skipped AMD CPU build suggestion due to aged platform (not worth to invest anymore for gaming purpose now).