The SW12 Thruster CW is lighter in air (1180 g against 1260 g). The DW15 Thruster CW puts out more thrust (≥15 kgf against ≥12 kgf), and is rated deeper (0–350 m against 0–30 m).
The SW12 Thruster CW is US$381 and the DW15 Thruster CW is US$448. That is US$31.75 per kgf of thrust for the SW12 Thruster CW and US$29.87 per kgf of thrust for the DW15 Thruster CW.
| SW12 Thruster CW | DW15 Thruster CW | |
|---|---|---|
| Maximum Bollard Thrust (kgf) | ≥12 | ≥15 |
| Rated Power (W) | 520 | 750 |
| Rated Voltage (V) | 48 | 48 |
| Applicable Water Depth | 0–30 m | 0–350 m |
| Propeller Diameter | Ø106 mm | Ø106 mm |
| Weight in Air (g) | 1180 | 1260 |
| Weight in Water (g) | 640 | 735 |
| 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 (glossy) Ø8 mm, 3×16 AWG, 1.5 m | TPU (glossy) Ø8 mm, 3×16 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.