Haworth Soji vs Sidiz T80
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
3 years
longer warranty on Sidiz T80 than Haworth Soji (official terms)
Differences at a glance
Sources
- Soji Customizable Ergonomic Office Chair | Haworth Store ↗Checked Sep 29, 2026
- T80 work-tech chair – SIDIZ (SIDIZ official store, Korea) ↗Checked Sep 29, 2026
- Haworth Soji Office Chair Product Sheet ↗Checked Sep 29, 2026
Haworth SojiSidiz T80
- Price
- $545₩689,000 – ₩859,000
- Load capacity
- 350 lb (158.8 kg)Maximum load 125 kg (≈ 276 lb)
- Recline
- Tilt tension control; back lock; optional forward tilt by 5°Multi-limited tilt (limits backrest recline angle), tilt tension adjustment
- Arms
- Fixed arms, height-adjustable arms, 4D arms, and armless options available3D adjustable armrests (height, front-back position, left-right angle)
- Lumbar support
- Optional lumbar adjustment for personalized support within a 3.5" rangeLumbar support height adjustment
- Warranty
- 12 year warranty15-year quality warranty (for customers who register the product)
What users mention
From 8 Haworth Soji and 3 Sidiz T80 user reviews, most mentioned first. Green is liked, orange is a caution.
Price and value
Haworth Soji14 mentionsSidiz T800 mentionsSeat
Haworth Soji10 mentionsSidiz T801 mentionAdjustability
Haworth Soji6 mentionsSidiz T803 mentionsComfort
Haworth Soji4 mentionsSidiz T804 mentionsBuild quality
Haworth Soji6 mentionsSidiz T801 mentionBack support
Haworth Soji4 mentionsSidiz T802 mentions
Questions
What do owners mention most?
Price and value for the Haworth Soji, and comfort for the Sidiz T80, based on review summaries.


