Blendtec Designer 675 vs Vitamix A3500 Blender

By Billy G. · Founder & Lead EditorVerified Jul 14 by Billy G.

Blendtec Designer 675
Vitamix A3500 Blender
Vitamix A3500 Blender

Verdict: Vitamix A3500 wins overall due to superior features and longevity per Wirecutter and Serious Eats reviews. Blendtec Designer 675 excels in raw power for heavy tasks but lacks smart controls. Both cite 1500-1800W motors and 64-90 oz jars as benchmarks against competitors like Ninja.

Winner: Vitamix A3500 Blender

Blendtec Designer 675: 8/10

Vitamix A3500 Blender: 9/10

Spec-by-spec comparison

Blendtec Designer 675Vitamix A3500 Blender
Motor Power1800W1500W
Jar Capacity90 oz64 oz
Weight8.6 lbs14.9 lbs
ControlsTouchpad with 6 cyclesTouchscreen with 5 programs

Blendtec Designer 675

What works

  • 1800W motor handles tough ingredients like ice and frozen fruit efficiently
  • Square jar design creates better vortex for consistent blends
  • Pre-programmed cycles reduce user error for smoothies and soups

What doesn't

  • Louder operation at full power compared to competitors
  • Fewer smart connectivity options than newer models

Vitamix A3500 Blender

What works

  • Smart features include app connectivity and automatic program detection
  • Self-detecting container system for safety and convenience
  • Quieter motor operation during extended use

What doesn't

  • Smaller jar capacity limits batch sizes for large families
  • Higher weight makes it less portable on countertops

Bottom line

Our pick: Vitamix A3500 Blender.

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