SIHOO Doro S100 vs Humanscale Diffrient Smart
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
$1,487.01
lower starting price for SIHOO Doro S100 than Humanscale Diffrient Smart at the brand stores
Differences at a glance
Sources
- Doro S100 Ergonomic Chair | Dual Lumbar Support & 4D Armrests – UK Sihoo official Shop ↗Checked Oct 8, 2026
- Ergonomic Mesh Back Office Chair | Diffrient Smart | Humanscale ↗Checked Sep 29, 2026
- Sihoo Doro S100 Ergonomic Office Chair with Dual Dynamic Lumbar Support – Official US Sihoo Store ↗Checked Oct 8, 2026
- Humanscale Diffrient Smart brochure ↗Checked Sep 29, 2026
SIHOO Doro S100Humanscale Diffrient Smart
- Price
- $499.99 – $509.99$1,987
- Seat height
- 46–54 cm16.5” – 22.8”
- Seat depth
- 15.15–17.12 in (≈ 38.5-43.5 cm)16.25” - 18.75” seat depth adjustment range
- Load capacity
- 330 lb (≈ 150 kg)up to 400 lbs.
- Recline
- Reclines up to 135°18° recline + 8° backrest tilt
- Arms
- 4D coordinated armrests (Up and down, left, right, forward and backward, tilt linkage); Up and down 2.76 in, forward and back 1.18 in, side to side, rotate 72°Fixed Duron Arms / Adjustable Duron Arms / 4D Adj Duron Arms / Armless
- Lumbar support
- Dual dynamic lumbar supportTri-panel Form-Sensing mesh adapts its lumbar support to each user (no manual lumbar adjustment)
- Warranty
- 3 years15-year, 24/7 warranty
Questions
Which is cheaper, the SIHOO Doro S100 or the Humanscale Diffrient Smart?
The SIHOO Doro S100 is cheaper to start: $499.99 versus $1,987 for the Humanscale Diffrient Smart at the brand stores (Oct 2026).
SIHOO Doro S100: specs, reviews, where to buy →Humanscale Diffrient Smart: specs, reviews, where to buy →
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- Humanscale Diffrient Smart vs Steelcase Gesture Load capacity: up to 400 lbs. on Humanscale Diffrient Smart; 400 lb on Steelcase Gesture.



