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.

Going into Linux-shell and type, to get CPU serial number

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