AHP AlphaTIG 203Xi vs AHP AlphaTIG 225Xi

Last updated: November 2, 2026

The AHP AlphaTIG 203Xi is the better TIG or stick welder overall, rated 4.2 to 3.8. The AHP AlphaTIG 203Xi leads on duty cycle. The AHP AlphaTIG 203Xi costs $25 less ($670 vs $695).

AHP AlphaTIG 203Xi vs AHP AlphaTIG 225Xi

Prices were last checked November 2, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.

Which should you buy?

Scores side by side

Each factor is scored 0-100 against the same fixed reference points for every AC/DC TIG TIG or stick welder; a clear win is highlighted. How we rank explains each one.

Factor weightAHP AlphaTIG 203XiAHP AlphaTIG 225Xi
Overall rating4.2/53.8/5
Value 30%68 $3.35 per amp ($670, 200 A maximum)73 $3.09 per amp ($695, 225 A maximum)
Duty cycle 20%100 60% at full output (200 A)38 35% at full output (225 A)
Features 25%100 high-frequency start, pulse, foot pedal in the box, dual voltage100 high-frequency start, pulse, foot pedal in the box, dual voltage
Warranty 25%50 3-year warranty on the machine50 3-year warranty on the machine

Specifications

AHP AlphaTIG 203XiAHP AlphaTIG 225Xi
Output
ProcessesAC/DC TIG, stickAC/DC TIG, stick
Maximum output200 A225 A
Maximum on 120 V150 A150 A
Duty cycle60% at 200 A35% at 225 A
Duty cycle ambient40 °C-
Input120 V and 240 V120 V and 240 V
Features
PulseYesYes
Foot pedal in the boxYesYes
TIG torch in the boxYesYes
Weight40 lb50 lb
Warranty3 years3 years

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