Millermatic 255 vs Thunderbolt 210 MV

Same fields. Each cell is that model's published text. A blank stays "Not published by manufacturer." The outlet chip does not hide either column.

Spec	Millermatic 255	Thunderbolt 210 MV
Process	MIG (GMAW), pulsed MIG (GMAW-P), and flux-cored (FCAW). Source	Stick (SMAW). Source
Output amp range	20–350 A. Source	120 V: 10–110 A. 240 V: 10–210 A. Source
Rated duty cycle	230 A at 25.5 V, 60% duty cycle. Source	120 V: 65 A at 60% duty cycle and 50 A at 100% duty cycle. 240 V: 135 A at 60% duty cycle and 105 A at 100% duty cycle. Source
Input voltage and plug	208–240 V, single-phase. Auto-Line 208–575 V, single-phase. The quick specs do not print input amperes. Source	1-phase power, 120 V or 240 V, 50/60 Hz. Maximum amps input at rated load output: 27.8 A at 120 V and 44.9 A at 240 V. The cord includes multi-voltage plugs for 120 V and 240 V. Source
Wire or rod size	Not published by manufacturer Source	Not published by manufacturer Source
Weight	Machine only: 84 lb. (38 kg). Machine with running gear: 148 lb. (67 kg). Source	13 lb. Source
Material thickness	Not published by manufacturer Source	Maximum mild steel thickness: 120 V, 1/8 in. 240 V, 1/2 in. Source