The VVDI Mini Key Tool and VVDI KEY TOOL are the same as far as remote and chip generation & copy.
Differences:
1.The VVDI KEY TOOL can work alone. It can complete all functions except the online ones such as 46 4D offline copy and it can perform online functions by connecting to the phone.
The VVDI KEY TOOL has more functions than the Mini Key Tool such as remote renew functions. The Mini Key Tool comes with smaller LCD screen and this stand-alone tool can read chip and test frequency.
The VVDI KEY TOOL supports Bluetooth and comes with a large capacity battery.
2. The VVDI Mini key tool comes with no battery and no Bluetooth. It works after being connected by phone.
3. VVDI Mini Key Tool is more stable than the VVDI KEY TOOL and has a faster power up, chip reading and frequency testing.