Yes VSCode uses far less power than Zed on my machine. I believe it is probably related to these issues:
https://github.com/zed-industries/zed/issues/21146 https://github.com/zed-industries/zed/issues/8043
https://github.com/zed-industries/zed/issues/21146 https://github.com/zed-industries/zed/issues/8043