In our test with the Pixel 7 Pro, the new Tensor G2 based on 5nm manufacturing process performance is comparable to the Snapdragon 888. It did outperform the original Tensor though.
The improvement can be seen in the multicore performance, the original Tensor scored around 2656 on the PIxel 6a. The Pixel 7 Pro gets a boost to 3035. a 14% gain.
All the scores are based on early test results. Results might differ with performance tuning in future firmware updates.