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W5500 and ENC28J60 comparison by chatGPT

It ultimately depends on your individual project requirements as to which chip is better for you. The W5500 is more suitable for complex network connections, while the ENC28J60 is better for simple networks. If you need a chip for high-speed, long-distance communication, the W5500 would be the better choice. On the other hand, if you need a chip for low-speed, short-distance communication, the ENC28J60 is the better choice.

which one is better performance between w5500 with tcp/ip offlaod ethernet stack and enc28j60 with lwip tcp/ip stack ?

The W5500 with TCP/IP offload ethernet stack is generally considered the better performer between the two. The W5500 is an integrated Ethernet controller with more advanced features and capabilities than the ENC28J60. The W5500 supports a variety of Ethernet protocols, such as IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, and IEEE 802.3x, as well as a range of network protocols, such as IP, UDP, TCP, and ICMP. Additionally, it supports a wide range of interface technologies, such as 10/100 Ethernet. The W5500 also supports TOE technology, which allows for the processing of network traffic and the handling of TCP/IP protocol operations to be offloaded from the host processor to an external chip. This offloading of workload reduces the burden on the host processor and can improve the overall performance of the system. By comparison, the ENC28J60 with LWIP TCP/IP stack is less suitable for simple networks, and is not as powerful or capable as the W5500.