KI Signia vs Vitra Physix

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

KI Signia

$930 – $1,076

Vitra

Vitra Physix

From $1,520

$590

lower starting price for KI Signia than Vitra Physix at the brand stores

Differences at a glance

KI SigniaVitra Physix

Price: $930 – $1,076From $1,520
Seat height: 17.5–22 in (44.5–55.9 cm)390–510 mm
Seat depth: 17–20 in (43.2–50.8 cm)435 mm
Recline: Five-position back travel limiter provides up to 27 degrees of reclineSynchronised movement, individual adjustment of backrest resistance and locking device in upright position
Arms: Armless, fixed reverse cantilever conference arms, 1D adjustable arms, or 4D adjustable armsFlexible frame and armrests in polyamide (deep black or soft grey)
Warranty: Lifetime5 years

Which is cheaper, the KI Signia or the Vitra Physix?

The KI Signia is cheaper to start: $930 versus $1,520 for the Vitra Physix at the brand stores (Sep 2026).