Okamura Sylphy vs Sidiz T80
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
Differences at a glance
Sources
- Sylphy | Office | Product information | Okamura Corporation ↗Checked Sep 29, 2026
- T80 work-tech chair – SIDIZ (SIDIZ official store, Korea) ↗Checked Sep 29, 2026
- Okamura office seating safety and warranty periods (updated Jan 28, 2026) ↗Checked Sep 29, 2026
- OKAMURA Lifestyle Store (Japan) (price) ↗Checked Oct 11, 2026
Okamura SylphySidiz T80
- Price
- From ¥106,040₩689,000 – ₩859,000
- Recline
- Back-seat synchro recline with forward tilt: 23° upright to reclined, 10° upright to forward; locks in 4 positionsMulti-limited tilt (limits backrest recline angle), tilt tension adjustment
- Arms
- Adjustable arms: 100 mm height; arm pad 50 mm front-back, 20° inward, 20° outward3D adjustable armrests (height, front-back position, left-right angle)
- Headrest
- Adjustable headrest: 100 mm height, 35° angleHeadrest height / angle adjustment
- Lumbar support
- Lumbar support (mesh back): height adjusts over 60 mmLumbar support height adjustment
- Warranty
- Structure 8 years (purchases from Jan 5, 2021); mechanisms and moving parts 2 years; exterior and surface finish 1 year15-year quality warranty (for customers who register the product)
What users mention
From 2 Okamura Sylphy and 3 Sidiz T80 user reviews, most mentioned first. Green is liked, orange is a caution.
Comfort
Okamura Sylphy4 mentionsSidiz T804 mentionsAdjustability
Okamura Sylphy2 mentionsSidiz T803 mentionsPrice and value
Okamura Sylphy4 mentionsSidiz T800 mentionsBuild quality
Okamura Sylphy3 mentionsSidiz T801 mentionBack support
Okamura Sylphy2 mentionsSidiz T802 mentionsDesign
Okamura Sylphy2 mentionsSidiz T802 mentions
Questions
Which has a headrest?
Both: the Okamura Sylphy as standard and the Sidiz T80 as standard.
What do owners mention most?
Comfort for the Okamura Sylphy, and comfort for the Sidiz T80, based on review summaries.
Swap in a similar chair
Compare Okamura Sylphy with
Compare Sidiz T80 with
More comparisons
- Okamura Sylphy vs Herman Miller Aeron Arms: Adjustable arms: 100 mm height on Okamura Sylphy; Arm height 7.5–11.5 in on Herman Miller Aeron.
- Okamura Sylphy vs Steelcase Gesture Arms: Adjustable arms: 100 mm height on Okamura Sylphy; Width 10.25–22.5 in between arms on Steelcase Gesture.
- Sidiz T80 vs Herman Miller Aeron Headrest: Headrest height / angle adjustment on Sidiz T80; None offered by Herman Miller on Herman Miller Aeron.
- Sidiz T80 vs Steelcase Gesture Headrest: Headrest height / angle adjustment on Sidiz T80; Optional on Steelcase Gesture.




