X-Chair X3 vs SIHOO B100

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

SIHOO

SIHOO B100

$199.99 – $259.99

$779.01

lower starting price for SIHOO B100 than X-Chair X3 at the brand stores

Differences at a glance

X-Chair X3SIHOO B100

Price: $979$199.99 – $259.99
Seat height: 17.69–22 inSeat height adjustable from 18.3" to 21.9"
Load capacity: 275 lb (125 kg)330 lb (≈ 150 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.Three lockable angles: 110°, 125° and 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 - 8.875inFlip-up 2D armrests
Headrest: Optional add-on (standard configuration: No headrest; Headrest +$115)Wide 2D adjustable headrest
Lumbar support: Dynamic Variable Lumbar (DVL)® Support; height adjustable backrest raises the DVL®Floating sacral cushion (targeted sacral support)
Warranty: 5 years (all parts and materials); 15 years (non-moving metal components, chair frame)3 years

Which is cheaper, the X-Chair X3 or the SIHOO B100?

The SIHOO B100 is cheaper to start: $199.99 versus $979 for the X-Chair X3 at the brand stores (Sep 2026).

Which has a higher weight capacity?

The SIHOO B100, rated for 330 lb versus 275 lb for the X-Chair X3.

Which has a headrest?

Both: the X-Chair X3 as an option and the SIHOO B100 as standard.