Question: Topdon ONE and Phoenix Lite 3 diagnostic scanner which to buy?

Here is a table comparison:

ITEM	Topdon ONE	Topdon Phoenix Lite 3
Image
CPU	8-Core 2.0GHz (MT8786)	4-Core 2.0 GHz
RAM	4G	2G
ROM	128G	64G
Battery	10000mAh/3.8v	12,600 mAh
Operating system	Android 12.0	Android 10.0
Screen size	10.1 inches	8 inch LCD
Touchscreen	Yes	Yes
Screen resolution	1280×800	1280×800
WiFi	2.4 & 5Ghz	2.4 & 5Ghz
Camera	Rear 16MP	Rear 8MP
Communication	Bluetooth/ WiFi	Bluetooth/ WiFi
Charging dock	x	x
VCI	ONE VCI	Bluetooth VCI
AutoVIN/SCAN VIN	√	√
Vehicle/Make Coverage	120+	160+
System Coverage	All Systems	All systems
System Diagnostics	√	√
Read DTCs	√	√
Freeze Frame Data	√	√
Clear DTCs	√	√
Data Stream	√	√
Bi-Directional Control/Active Test	√	√
Special Function (inside the control unit)	√	√
Hot Functions	52	35
Multichannel Scanning	√ (Under Development)	x
Live Data Fusion	√ (Under Development)	x
Graphical Diagnostics	×	x
Diagnostic Topology Display	√	√
DTC Repair Data	TopFix (AI)	x
Guided Function	√	√
Coding
Benz(SCN)	√	√
BMW/Mini	√	√
VW/Audi/Skoda/Seat	√	√
Porsche	×	×
Nissan	×	×
PSA	×	×
JLR	×	×
FORD	×	×
Volvo	×	×
Toyota	×	×
Flash Hidden
Benz	√	√
BMW	√	√
VW/Audi/Skoda/Seat	√	√
Porsche	×	×
JLR	×	×
PSA	×	×
Nissan	×	×
Toyota	×	×
FORD	×	×
Volvo	×	×
Programming
BMW	x	×
Benz	x	×
VW/Audi/Skoda/SEAT	x	×
Nissan/Infiniti	×	×
Hyundai/Kia	×	×
Honda/Acura	×	×
Land Rover/Jaguar	×	×
Renault	×	×
Subaru	×	×
PMI Ford	√ (Under Development)	×
PMI Mazda	√ (Under Development)	×
PMI Opel	×	×
PMI Vauxhall	×	×
Advanced Protocol
CAN-FD	√	√
DoIP	√	x
J2534	√	x
Gateway Access
Renault	√	√
FCA	√ (Europe/USA)	√ (Europe/USA)
Nissan	√ (Europe/USA)	√ (Europe/USA)
Infiniti	√ (Europe/USA)	√ (Europe/USA)
VW	√	√
DVI	×	x
Split Screen	×	x
AI Voice Assistant	×	x
IMMO (KEY Coding)	×	√ (optional)
Battery Test	√ (Optional)	√ (optional)
TopScan Master	×	x
Thermal camera	x	√ (optional)
Oscilloscope	×	√ (optional)
ADAS calibration	x	√ (add-on module)
Endoscope	√ (Optional)	x
QuickSupport	√	√
B/C Remote Diagnostic	√ (C) (Under Development)	x
Update	1 Year free update	2 Years free update

In sum:

Topdon ONE has newer processor, newer Android system, larger storage, larger screen and better camera.

Topdon ONE supports more special functions than Phoenix Lite 3.

Topdon ONE has J2534 VCI which supports OE programming with dealer software. Lite3 only has Bluetooth VCI.

Phoenix Lite 3 supports IMMO, oscilloscope, ADAS, thermal camera etc add-on modules. Topdon ONE only supports battery tester add-on feature.

Lite 3 only support CAN FD protocol, it does not support DoIP protocol.

Topdon ONE supports 1 year free update while Lite 2 has two years free update.

Topdon ONE runs faster, but Lite 3 has more add-on extension functions.