The ADATA XPG Caster 32GB DDR5-6400 and the G.Skill Trident Z5 64GB DDR5-6400 result in an objective tie across their comparable specifications. While both modules share identical performance ratings, they diverge significantly in their primary strengths. The ADATA XPG Caster 32GB DDR5-6400 holds a 39% advantage in MSRP, making it the more cost-effective option, whereas the G.Skill Trident Z5 64GB DDR5-6400 offers a 100% advantage in total memory capacity for demanding workloads.

Choose the ADATA XPG Caster 32GB DDR5-6400 if your priority is minimizing your initial investment while maintaining standard DDR5-6400 speeds. Conversely, select the G.Skill Trident Z5 64GB DDR5-6400 if your specific computing needs require double the memory capacity. Both components provide the same baseline speed, so your final decision should depend entirely on whether you value the lower cost of the ADATA module or the increased capacity provided by the G.Skill alternative.