Knoll Life Chair vs HBADA X7 Smart

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

Knoll

Knoll Life Chair

From $1,947

HBADA

HBADA X7 Smart

$1,509

$438

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

Differences at a glance

Knoll Life ChairHBADA X7 Smart

Price: From $1,947$1,509
Seat height: 16.5–21.75 in (42-55 cm); 17" – 22.25"; 17.25–22.5 in (44-57 cm); 15.5" – 19.25"Adjustable by 3.35" / 8.5 cm, from 17.52" to 20.87" / 44.5 - 53 cm
Seat depth: 15–19 in (38-48 cm)Adjustable by 1.97" / 5 cm, from 15.94" to 17.91" / 40.5 - 45.5 cm
Recline: Angle Between Seat and Back 95° - 119°; Tilt Range of Back 24°Positions shown at 105°, 116°, 128° and 140° (maximum)
Arms: Arms 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)720° armrest system: 360° rotation, 20° flip, 4.33"/110mm front-back, 1.97"/50mm height
Headrest: Optional headrest measures 9"W x 6" - 9"H4D Dual-Axis Headrest: 70° rotation, 1.77"/45mm height, 2.17"/55mm front-back
Lumbar support: Lumbar Support (Fixed) 7.5"; optional height adjustable lumbar (Exceeds 5.5" - 9.8"), 11.5" x 5.5"3-Zone Floating Wings with AI smart lumbar tracking: 1.97"/50mm electric front-back, 1.77"/45mm manual up-down, 10° auto-adapt
Warranty: Structural components: 12 Years; Upholstery, textiles, leathers, finishes: 3 Years5 years on five-star base, gas lift and casters; 3 years on tilt mechanism, height adjustment, lumbar system, armrests and backrest frame

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

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

Which has a headrest?

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