X-Chair X3 vs FlexiSpot Standard Ergo Office Chair (C4)

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

X-Chair

X-Chair X3

$979

FlexiSpot

FlexiSpot Standard Ergo Office Chair (C4)

$219.99 – $239.99

$759.01

lower starting price for FlexiSpot Standard Ergo Office Chair (C4) than X-Chair X3 at the brand stores

Differences at a glance

X-Chair X3FlexiSpot Standard Ergo Office Chair (C4)

Price: $979$219.99 – $239.99
Seat height: 17.69–22 in17.91–20.87 in
Seat depth: 16.75–19.25 in19.49 in
Load capacity: 275 lb (125 kg)300 lb
Recline: SciFloat 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.90–135°
Arms: 4-Dimensional armrests come standard (up, down, side-to-side, front-to-back); option to upgrade to FS 360 rotational armrests; Armrest Height 5.875in - 8.875in3D
Headrest: Optional add-on (standard configuration: No headrest; Headrest +$115)3D
Lumbar support: Dynamic Variable Lumbar (DVL)® Support; height adjustable backrest raises the DVL®fixed
Warranty: 5 years (all parts and materials); 15 years (non-moving metal components, chair frame)5 years

Which is cheaper, the X-Chair X3 or the FlexiSpot Standard Ergo Office Chair (C4)?

The FlexiSpot Standard Ergo Office Chair (C4) is cheaper to start: $219.99 versus $979 for the X-Chair X3 at the brand stores (Sep 2026).

Which has a higher weight capacity?

The FlexiSpot Standard Ergo Office Chair (C4), rated for 300 lb versus 275 lb for the X-Chair X3.

Which has a headrest?

Both: the X-Chair X3 as an option and the FlexiSpot Standard Ergo Office Chair (C4) as standard.