Can't get performance even after upgrading Ram, even useable ram is not full capacity A315-23

I play games like valorant on my 4gb acer aspire 3, it lagged in few situation earlier. I thought upgrading ram would fix it, so I installed 4 additional Gb of ram. After that when I play anygame I am getting same amount of FPS with not much improvement. When I checked from task manager, it showed me that I had 6 gb of useable ram and 3gb of shared gpu memory. When I checked from dxdiag my Vram which was 2 gb earlier increased to 4gb after ram upgradation. If I reduce my shared memory and free more ram will it improve performance of games? if yes then how? I am not a tech person but need your help.

My PC specs

Acer Aspire 3

Processor AMD Athlon Silver 3050U with Radeon Graphics 2.30 GHz

Installed RAM 8.00 GB (5.94 GB usable)

System type 64-bit operating system, x64-based processor

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Puraw

https://community.acer.com/en/discussion/707493/cant-get-performance-even-after-upgrading-ram-even-useable-ram-is-not-full-capacity

Add more RAM, you don't say what Aspire 3 model you have but that CPU supports up to 32GB and the RAM controller may support 12GB or even 20GB RAM. Also uninstall all 3rd-party, bloatware, freebees and trial programs, browsers and anti-virus programs, these all cripple your system to snail space. Tweaking the Paged Memory will only cause crashing, leave that set to default (see picture). There is no way to increase VRAM that is controlled by Windows.