I suggest upping the budget to RM2600 - RM2899. You can get:

-A good ultrabook-ish laptop like Acer Swift 3 15 inch.
-Any normal laptop with 8250u and MX150/130 2GB

If not, then these :

1. Acer Swift 1 = RM2299

Full HD. The Pentium is SLOW~,but not netbook slow. It's great for casual use.

You may found some difficulty in video editing, but nothing a trip to a mamak shop while waiting the video to finish can't fix. Consider getting a fast external SSD/HDD too.

2. Lenovo 320 15 inch (old model) = RM2299

A lot faster, not the best build quality though. Try to find ond with i5 7200u with Nvidia graphics for video editing.

Bad news is, entry level ips, slow hdd, Lenovo gamble longevity (it may last forever or blow up in 1 year)

I'll suggest used Thinkpads like T430 and T520. You need to up your budget if you want the best user experience, otherwise need to sacrifice things like no SSD, low RAM (4GB), poor build quality, poor battery life, poor display etc

Not sure, but the lower ones are usually bad. But they are an option and I don't have any problems using Lenovo.

Yes that Vivobook is WAY better. Do consider it if you are satisfied with the screen and the battery life. That's always been a problem with asus. They are usually subpar.