Knoll Pollock Executive Chair vs X-Chair X4

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

Knoll

Knoll Pollock Executive Chair

$2,901 – $4,396

X-Chair

X-Chair X4

$1,199 – $1,249

$1,702

lower starting price for X-Chair X4 than Knoll Pollock Executive Chair at the brand stores

Differences at a glance

Knoll Pollock Executive ChairX-Chair X4

Price: $2,901 – $4,396$1,199 – $1,249
Seat height: 18.5–21.25 in (47-54 cm)17.5–20.88 in
Recline: Base features 360 degree swivel, tilt with tension and pneumatic seat height adjustmentSciFloat Infinite Recline + Tilt Lock and Tension allows you to recline and lock into position or increase tension in your recline motion for more fluid movement.
Arms: Plastic arms; Arm Height 24½-27¼ in4-Dimensional armrests come standard (up, down, side-to-side, front-to-back); option to upgrade to FS 360 rotational armrests; Armrest Height 5.875in - 8.875in
Warranty: 5-year warranty5 years (all parts and materials); 15 years (non-moving metal components, chair frame)

Which is cheaper, the Knoll Pollock Executive Chair or the X-Chair X4?

The X-Chair X4 is cheaper to start: $1,199 versus $2,901 for the Knoll Pollock Executive Chair at the brand stores (Oct 2026).

What do owners mention most?

Design for the Knoll Pollock Executive Chair, and back support for the X-Chair X4, based on review summaries.