gaming laptop Gaming Laptop - Which Should I choose?

[IPADboi]

Budget (including currency): 1300 CAD

Country: Canada

Games, programs or workloads that it will be used for: 1080p-4K gaming (yes I know 4K is very hard for my specs) Forza 5, Microsoft Flight Sim, Minecraft, FPS, Open World, Free Roam, Heavy Loads (Coding & Running big scripts), 3D modeling, Rendering Blender...

Other details (existing parts lists, whether any peripherals are needed, what you're upgrading from, when you're going to buy, what resolution and refresh rate you want to play at, etc): 

Using 1080p 24" All in one pc (using as monitor) (60hz)

Using 50" 4k Tv (sometimes, super rare) https://www.amazon.ca/gp/product/B083SC5X87/ref=ox_sc_act_title_3?smid=A3DWYIK6Y9EEQB&th=1

Have keyboard & mouse

Upgrading from this : 

BaseBoard Product :   Aspire Z3-710 (2015 model)

Processor  :  Intel(R) Core(TM) i3-4170T CPU @ 3.20GHz, 3200 Mhz, 2 Core(s), 4 Logical Processor(s)
Installed Physical Memory (RAM)  :  6.00 GB
intel 4400 graphics

 

 

I found 2 Gaming Laptop in my budget which are pretty good, I just need help deciding which one to buy!

 

1: 

MSI Katana GF66 11UC-448CA

https://ca.msi.com/Laptop/Katana-GF66-11UX/Specification

https://storage-asset.msi.com/specSheet/ca/nb/Katana GF66 11UC-448CA.pdf

https://www.costco.ca/.product.3111448.html

 

Buying from Costco (Canada)

 

2.

Dell G15

https://www.dell.com/en-ca/shop/dell-laptops/g15-gaming-laptop/spd/g-series-15-5511-laptop/ng155511_sb_h41pe#features-anchor

 

Are these laptops good for the price or is there something better out there?