RI70 KV95 without hall sensor vs RI75-PH KV70

The RI70 KV95 without hall sensor draws less current at its rating (7.1 A against 7.28 A), and is lighter (270.4 g against 348 g) and shallower (24 mm against 31.8 mm). The RI75-PH KV70 has more continuous torque (1.2 N·m against 0.94 N·m) and more peak torque (3.8 N·m against 2.68 N·m), is narrower (70 mm against 76 mm), and turns faster at the output (2365 RPM against 1270/1990/2710 RPM).

The RI70 KV95 without hall sensor is US$139 and the RI75-PH KV70 is US$156. That is US$147.87 per rated N·m for the RI70 KV95 without hall sensor and US$130.00 per rated N·m for the RI75-PH KV70.

Which to buy

Every published specification

RI70 KV95 without hall sensorRI75-PH KV70
Rated Torque (N·m)0.941.2
OD (mm)7670
Weight (g)270.4348
Peak Torque (N·m)2.683.8
Rated Voltage (V)24/36/4848
Rated Speed (RPM)1270/1990/27102365
No-Load Speed (RPM)1956/2934/39123360
Rated Current (A)7.17.28
Motor Constant Km (N·m/√W)0.2011—
Peak Current (A)2124.2 (Ref)
Maximum Torque Weight Ratio (N·m/kg)9.91—
Height (mm)2431.8
Kv (RPM/V)95—
Kt (N·m/A)0.130—
Ke (V/kRPM)11.69—
Phase to Phase Resistance (mΩ)418495
Phase to Phase Inductance (μH)622.7673
Inertia (g·cm²)92.15416
Mechanical Time Constant (ms)0.23—
Electrical Time Constant (ms)1.490.0013
Pole Pairs1414
Winding TypeDelta Phase 3—
Operation Ambient Temperature-20℃~50℃—
Driving WayFOC—
ApplicationCobot Arm, Exoskeleton—

Rows the two disagree on are marked; the figures are CubeMars'. To put any other two parts side by side, build your own comparison.