The connectivity foundations are nearly identical — both phones support 5G, the same Wi-Fi 4/5 dual-band configuration, USB Type-C at USB 2.0 speeds, NFC, and an identical sensor suite covering GPS, Galileo, gyroscope, accelerometer, and compass. Where differences do exist, they are pointed. The Nubia Air runs Bluetooth 5.4 versus the Moto G56's 5.3 — a minor generational step that brings incremental improvements to connection stability and energy efficiency, though unlikely to be noticeable in day-to-day use.
SIM flexibility is a more practical divergence. The Moto G56 supports 1 physical SIM plus 1 eSIM, while the Nubia Air accommodates 2 physical SIM cards. For users in regions where eSIM adoption is mature, the Moto G56's hybrid approach offers equivalent dual-connectivity with the added convenience of a digital SIM. For travelers or users in markets where eSIM support is limited, the Nubia Air's dual physical SIM setup is more universally practical.
Perhaps the most consequential difference for many users is storage expandability. The Moto G56 includes a microSD card slot; the Nubia Air does not. Given that both phones ship with 256 GB of internal storage this may not be an immediate concern, but the ability to expand storage cheaply over time is a meaningful long-term advantage. These trade-offs largely cancel out, but users who prioritize flexibility — in storage or in SIM configuration — will each find a reason to favor one phone over the other, making this category a contextual tie with no universal winner.