Vitra Physix vs Knoll Life Chair

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

Vitra

Vitra Physix

From $1,520

Knoll

Knoll Life Chair

From $1,947

$427

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

Differences at a glance

Vitra PhysixKnoll Life Chair

Price: From $1,520From $1,947
Seat height: 390–510 mm16.5–21.75 in (42-55 cm); 17" – 22.25"; 17.25–22.5 in (44-57 cm); 15.5" – 19.25"
Seat depth: 435 mm15–19 in (38-48 cm)
Recline: Synchronised movement, individual adjustment of backrest resistance and locking device in upright positionAngle Between Seat and Back 95° - 119°; Tilt Range of Back 24°
Arms: Flexible frame and armrests in polyamide (deep black or soft grey)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)
Warranty: 5 yearsStructural components: 12 Years; Upholstery, textiles, leathers, finishes: 3 Years

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

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

What do owners mention most?

Adjustability for the Vitra Physix, and design for the Knoll Life Chair, based on review summaries.