"In July 2022, TSMC announced that its N2 process technology will feature backside power delivery and will offer 10–15% higher performance at iso power or 20–30

"In July 2022, TSMC announced that its N2 process technology will feature backside power delivery and will offer 10–15% higher performance at iso power or 20–30% lower power at iso performance and over 20% higher transistor density compared to N3E" https://en.m.wikipedia.org/wiki/2_nm_process https://en.m.wikipedia.org/wiki/2_nm_process