The LG A series has always been a more affordable OLED TV option. the LG A2 has also been upgraded from the A1. The configuration differences between the two are not significant.
The main difference is the processor and system upgrades. I think this comparison review of LG A2 vs. LG A1 TV Review may help you.
Pretty good OLED TV, good for watching movies, but if you are a game player that wants a higher configuration, you may want to consider models with HDMI 2.1 like LG B2/C2, or the 2021 model C1. LG B2 vs. LG C2 vs. LG C1
The LG A series has always been a more affordable OLED TV option. the LG A2 has also been upgraded from the A1. The configuration differences between the two are not significant.
The main difference is the processor and system upgrades. I think this comparison review of LG A2 vs. LG A1 TV Review may help you.