Nordictrack T 6.5 Si Treadmill vs Walkingpad X21 Under Desk Walking Pad

By Billy G. · Founder & Lead EditorVerified Jul 3 by Billy G.

Nordictrack T 6.5 Si Treadmill
Nordictrack T 6.5 Si Treadmill
Walkingpad X21 Under Desk Walking Pad
Walkingpad X21 Under Desk Walking Pad

Verdict: The Nordictrack T 6.5 Si Treadmill is better for intense workouts and home use, with a more powerful motor and advanced features (per Treadmill Doctor review). However, the Walkingpad X21 Under Desk Walking Pad is more suitable for casual, low-impact exercise and office use, with a compact design and affordable price (per Wirecutter review).

Nordictrack T 6.5 Si Treadmill lists at $999 while Walkingpad X21 Under Desk Walking Pad lists at $599 — Walkingpad X21 Under Desk Walking Pad undercuts Nordictrack T 6.5 Si Treadmill by $400 (67%).

Winner: Nordictrack T 6.5 Si Treadmill

Nordictrack T 6.5 Si Treadmill: 7.5/10

Walkingpad X21 Under Desk Walking Pad: 6.5/10

Spec-by-spec comparison

Nordictrack T 6.5 Si TreadmillWalkingpad X21 Under Desk Walking Pad
Motor2.6 CHP1.5 HP
Speed0-10 mph0.5-4 mph
Incline-3% to 10%0-10 levels
Running Surface20 x 55 inches47 x 20 inches

Nordictrack T 6.5 Si Treadmill

What works

  • Large running surface
  • Incline and decline options
  • Compatible with iFit training programs

What doesn't

  • Space-consuming
  • Expensive

Walkingpad X21 Under Desk Walking Pad

What works

  • Compact and space-saving
  • Affordable
  • Low-impact exercise

What doesn't

  • Limited speed and incline options
  • Not suitable for intense workouts

Bottom line

Our pick: Nordictrack T 6.5 Si Treadmill.

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