X-Chair X3 vs Autonomous ErgoChair Pro

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

Autonomous

Autonomous ErgoChair Pro

$499

$480

lower starting price for Autonomous ErgoChair Pro than X-Chair X3 at the brand stores

Differences at a glance

X-Chair X3Autonomous ErgoChair Pro

Price: $979$499
Seat height: 17.69–22 in18.5–22 in (47–55.9 cm)
Seat depth: 16.75–19.25 in19–21.5 in (48.3–54.6 cm)
Load capacity: 275 lb (125 kg)300 lb (136.1 kg)
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.Synchro-tilt; 22° recline range; 5 lock positions (Donati reclining mechanism)
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 armrests; armrest height 11–14 in from seat
Headrest: Optional add-on (standard configuration: No headrest; Headrest +$115)Adjustable headrest (standard)
Lumbar support: Dynamic Variable Lumbar (DVL)® Support; height adjustable backrest raises the DVL®Sliding (height-adjustable) lumbar; 6 in lumbar height range
Warranty: 5 years (all parts and materials); 15 years (non-moving metal components, chair frame)Lifetime warranty

Which is cheaper, the X-Chair X3 or the Autonomous ErgoChair Pro?

The Autonomous ErgoChair Pro is cheaper to start: $499 versus $979 for the X-Chair X3 at the brand stores (Sep 2026).

Which has a higher weight capacity?

The Autonomous ErgoChair Pro, 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 Autonomous ErgoChair Pro as standard.

What do owners mention most?

Comfort for the X-Chair X3, and price and value for the Autonomous ErgoChair Pro, based on review summaries.