There are two versions of VIM4, they are VIM4 and New VIM4.

New VIM4:

VIM4 - V13A and later versions include NPU.

VIM4:

The VIM4 ships with SoC A311D2 Revision B, it is from T7 family.

The New VIM4 ships with SoC A311D2 Revision C (A311D2-N0D), it is from T7C family.

The main difference between VIM4 and New VIM4 are as below:

• New VIM4 has a 3.2TOPS NPU
• New VIM4 has a new ISP IP

Other parts between VIM4 and New VIM4 are almost the same.

There are two ways to identify the version of your VIM4.

CPU has a CPU-ID label on the top center side, maybe need to remove the heatsink if it is installed.

The VIM4 CPU Screen Printing is A311D2.

The New VIM4 CPU Screen Printing is A311D2-N0D.

Going into Linux shell and type

grep -ohm1 360[b\|c].* /proc/cpu*

You can identify the version via different CPU ID as below:

• 360bxxxxxxxxxxxxxxxxxxxxxxxxxxxx - If the serial starts with 360b then it is VIM4
• 360cxxxxxxxxxxxxxxxxxxxxxxxxxxxx - If the serial starts with 360c then it is New VIM4