The RAX40 outperforms the AC1900 in speed, device capacity and future‑proofing thanks to Wi‑Fi 6 (RTINGS shows 30 % higher throughput) and a more powerful CPU (CNET). However, the AC1900’s lower price and proven range make it a solid choice for users with older Wi‑Fi 5 gear (Tom’s Guide). Overall, the RAX40 earns the win for modern households, while the AC1900 remains a budget‑friendly alternat...