The DW20 Thruster CW is lighter in air (1630 g against 1790 g). The DW25 Thruster CW puts out more thrust (≥25 kgf against ≥20 kgf). They match on working depth.
The DW20 Thruster CW is US$593 and the DW25 Thruster CW is US$672. That is US$29.65 per kgf of thrust for the DW20 Thruster CW and US$26.88 per kgf of thrust for the DW25 Thruster CW.
| DW20 Thruster CW | DW25 Thruster CW | |
|---|---|---|
| Maximum Bollard Thrust (kgf) | ≥20 | ≥25 |
| Rated Power (W) | 910 | 1315 |
| Rated Voltage (V) | 48 | 48 |
| Applicable Water Depth | 0–350 m | 0–350 m |
| Propeller Diameter | Ø126 mm | Ø126 mm |
| Weight in Air (g) | 1630 | 1790 |
| Weight in Water (g) | 950 | 995 |
| Nozzle Material | POM | POM |
| Shell Material | Aluminium alloy | Aluminium alloy |
| Propeller Material | Aluminium alloy | Aluminium alloy |
| Main Shaft Sealing | Low-resistance dynamic seal | Low-resistance dynamic seal |
| Main Body Structure | Two-stage sealing chamber | Two-stage sealing chamber |
| Cable | TPU (matte) Ø9 mm, 3×13 AWG, 1.5 m | TPU (matte) Ø9.5 mm, 3×12 AWG, 1.5 m |
| Driver | External ESC (TW-40A-12S or TW-80A-12S) | External ESC (TW-40A-12S or TW-80A-12S) |
| Operating Temperature | 0–40 °C (storage 0–50 °C) | 0–40 °C (storage 0–50 °C) |
Rows the two disagree on are marked; the figures are CubeMars'. To put any other two parts side by side, build your own comparison.