AMd Radeon r7 m530 4GB DDR5 vs Nvidia mx150 2GB DDR5?

Two laptops that are not for modern gaming, and are more for business and school use than anything else.
The i7-8550U is a 4 core 8 thread cpu with a low base clock and high turbo that is not sustainable for long periods of time.
It's good on battery and runs low temperature.
http://www.cpu-world.com/Compare/939/Intel_Core_i7_Mobile_i7-7700HQ_vs_Intel_Core_i7_Mobile_i7-8550U.html
https://www.cpubenchmark.net/...u_list.php
It scored 8100 in test vs 8900 for i7-7700HQ and is excellent if not required at high use for long periods.

The R7 M530 is a marketing name of Radeon 530, specified by AMD as 1 or 2GB GDDR5

https://www.notebookcheck.net/...849.0.html
In the 2gb vs 4gb, the GDDR5 is important. GTX 960 desktop level has some benefit for 4GB vs 2GB as both were available. It is not major. Below this level, over 2GB is for marketing. On the table, rank 70 and better improves at 4gb.

NVIDIA GeForce MX150 (Laptop GT 1030) is rank #116
R7 M530 = Radeon 530 is only rank 237

The first laptop is probably not a great choice for gaming at the price.
The second laptop is only bought by people who do not understand graphics cards. It is a bad card with excessive page buffer ram.

The first is better than the second, and neither are great.
The first should perform a little lower than i7-6700HQ GTX 960M and a little better than GTX 950M.
The second is almost Geforce 930M.