Every generation of iPhone will be powered by a new and more capable chipset. The A15 chipset, which is expected to debut on the iPhone 13, will be manufactured by TSMC on a 5nm+ process.
Production of the A15 chipset is said to have started in May although the global component shortage is likely to affect its supply. Apple CEO Tim Cook and CFO Luca Maestri confirmed in a recent earning calls that there will be supply constraints for the iPhone and iPad in Q4.
Besides a more powerful chipset, the iPhone 13 is rumoured to come with Wi-Fi 6E connectivity. Barclay analysts shared in December 2020 that the iPhone 13 will support Wi-Fi 6E for better Wi-Fi performance thanks to the availability of additional channels and the ability to use 160MHz for high-bandwidth applications such as AR and VR.
iPhones with 5G mmWave support is also believed to be coming to more markets this year. Analyst Ross Young wrote that the Pro models will support mmWave and sub-6GHz. Analyst Kuo estimates that iPhone 13 models with 5G mmWave will grow to 55-60% this year as Apple brings these devices to more countries such as Japan, Australia and Europe.
For those who are not aware, 5G is available in two forms: mmWave and Sub-6GHz. mmWave is a higher frequency version of 5G that offers ultra-fast speeds, but they are ultra-short range and can be blocked by trees, walls, doors and windows. Sub-6GHz, which consists of mid and low-frequency bands, have a longer range and penetrate objects better. Fortunately, sub-6GHz speed is faster than what 4G LTE can achieve.