Knoll Life Chair vs Vitra Physix

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

Vitra

Vitra Physix

From $1,520

$427

lower starting price for Vitra Physix than Knoll Life Chair at the brand stores

Differences at a glance

Knoll Life ChairVitra Physix

Price: From $1,947From $1,520
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"390–510 mm
Seat depth: 15–19 in (38-48 cm)435 mm
Recline: Angle Between Seat and Back 95° - 119°; Tilt Range of Back 24°Synchronised movement, individual adjustment of backrest resistance and locking device in upright position
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)Flexible frame and armrests in polyamide (deep black or soft grey)
Warranty: Structural components: 12 Years; Upholstery, textiles, leathers, finishes: 3 Years5 years

Which is cheaper, the Knoll Life Chair or the Vitra Physix?

The Vitra Physix is cheaper to start: $1,520 versus $1,947 for the Knoll Life Chair at the brand stores (Sep 2026).

What do owners mention most?

Design for the Knoll Life Chair, and adjustability for the Vitra Physix, based on review summaries.