HBADA X7 Smart vs Knoll Life Chair

Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.

HBADA

HBADA X7 Smart

$1,509

Knoll

Knoll Life Chair

From $1,947

$438

lower starting price for HBADA X7 Smart than Knoll Life Chair at the brand stores

Differences at a glance

HBADA X7 SmartKnoll Life Chair

Price: $1,509From $1,947
Seat height: Adjustable by 3.35" / 8.5 cm, from 17.52" to 20.87" / 44.5 - 53 cm16.5–21.75 in (42-55 cm); 17" – 22.25"; 17.25–22.5 in (44-57 cm); 15.5" – 19.25"
Seat depth: Adjustable by 1.97" / 5 cm, from 15.94" to 17.91" / 40.5 - 45.5 cm15–19 in (38-48 cm)
Recline: Positions shown at 105°, 116°, 128° and 140° (maximum)Angle Between Seat and Back 95° - 119°; Tilt Range of Back 24°
Arms: 720° armrest system: 360° rotation, 20° flip, 4.33"/110mm front-back, 1.97"/50mm heightArms available in fixed height, height-adjustable or high performance; high performance arms adjust 2.5" in armpad width (1.25" per side) and 3" armpad fore/aft movement; Arm Height from Floor 23.25" - 32.75" (height adjustable / high performance); 26.24" – 31.25" (fixed arm)
Headrest: 4D Dual-Axis Headrest: 70° rotation, 1.77"/45mm height, 2.17"/55mm front-backOptional headrest measures 9"W x 6" - 9"H
Lumbar support: 3-Zone Floating Wings with AI smart lumbar tracking: 1.97"/50mm electric front-back, 1.77"/45mm manual up-down, 10° auto-adaptLumbar Support (Fixed) 7.5"; optional height adjustable lumbar (Exceeds 5.5" - 9.8"), 11.5" x 5.5"
Warranty: 5 years on five-star base, gas lift and casters; 3 years on tilt mechanism, height adjustment, lumbar system, armrests and backrest frameStructural components: 12 Years; Upholstery, textiles, leathers, finishes: 3 Years

Which is cheaper, the HBADA X7 Smart or the Knoll Life Chair?

The HBADA X7 Smart is cheaper to start: $1,509 versus $1,947 for the Knoll Life Chair at the brand stores (Oct 2026).

Which has a headrest?

Both: the HBADA X7 Smart as standard and the Knoll Life Chair as an option.