It offers exactly the same performance as the M1 version in the iPad Pro models. As you can see in the image below, the single-core and multi-core scores are almost identical in the Geekbench 5 ...
Geekbench scores for the Apple M1 inside the 12.9-inch iPad Pro came out to 2,305 and 8,357 in the single- and multi-core tests, with the improved single-core performance and two extra cores ...