The MediaTek Dimensity 1100 is a slight downgrade from the Dimensity 1200. It has a 64-Bit octa-core CPU that integrates 4 ARM Cortex-A78 Performance cores operating at up to 2.60GHz and other 4 Cortex-A55 Efficiency cores at 2.00GHz clock speed while the Dimensity 1200 includes 1 ARM Cortex-A78 Big core running at up to 3.00GHz clock speed, 3 Cortex-A78 Middle cores at 2.60GHz and other 4 Cortex-A55 Small cores at 2.00GHz clock speed.
For gaming purposes, the Dimensity 1200 integrates an ARM Mali-G77 MC9 paired with MediaTek HyperEngine 3.0 gaming technology while the Dimensity 1100 also has the same GPU.
In the power-section, the Dimensity 1200 and 1100 are the same because both use the same 6nm fabrication process.