The MediaTek Dimensity 1200 is a successor of the Dimensity 1000 Plus that features a 64-Bit octa-core CPU. It integrates 1 ARM Cortex-A78 Big core clocked at up to 3.00GHz, 3 Cortex-A78 Middle cores at 2.60GHz, and other 4 Cortex-A55 Small cores at 2.00GHz while the Dimensity 1000 Plus features 4 ARM Cortex-A77 Big cores for performance operating at up to 2.60GHz clock speed and other 4 Cortex-A55 Little cores for efficiency at 2.00GHz clock speed.
For gaming, the Dimensity 1200 got an ARM Mali-G77 MC9 GPU paired with MediaTek HyperEngine 3.0 gaming technology while the Dimensity 1000 Plus features an ARM Mali-G77 MP9 GPU paired with MediaTek HyperEngine 2.0 technology.
The Dimensity 1000 Plus is fabricated on a 7nm manufacturing process while the Dimensity 1200 uses an improved 6nm fabrication process.