ArcCaptain ARC250 vs Miller Thunderbolt 210 MV

Last updated: November 2, 2026

The ArcCaptain ARC250 is the better TIG or stick welder overall, rated 3.4 to 2.8. The ArcCaptain ARC250 leads on value. The Miller Thunderbolt 210 MV wins on features and warranty. The ArcCaptain ARC250 costs $759.01 less ($229.99 vs $989).

ArcCaptain ARC250 vs Miller Thunderbolt 210 MV

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 stick TIG or stick welder; a clear win is highlighted. How we rank explains each one.

Factor weightArcCaptain ARC250Miller Thunderbolt 210 MV
Overall rating3.4/52.8/5
Value 30%65 $1.05 per amp ($229.99, 220 A maximum)9 $4.71 per amp ($989, 210 A maximum)
Duty cycle 20%100 60% at full output (220 A)12 60% at 135 A, about 25% at full output
Features 25%30 lift TIG80 dual voltage, lift TIG
Warranty 25%25 2-year warranty on the machine50 3-year warranty on the machine

Specifications

ArcCaptain ARC250Miller Thunderbolt 210 MV
Output
ProcessesDC lift TIG, stickDC lift TIG, stick
Maximum output220 A210 A
Maximum on 120 V-110 A
Duty cycle60% at 220 A60% at 135 A
Input240 V120 V and 240 V
Features
PulseNoNo
Foot pedal in the boxNoNo
TIG torch in the boxNoNo
Weight11.5 lb13 lb
Warranty2 years3 years

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