Itoki ACT2 vs Generation by Knoll
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
Differences at a glance
Sources
- ITOKI Product Catalog: Act2 KJ-457JE-GNB4 ↗Checked Sep 29, 2026
- Generation by Knoll Dimensions, Features and Operating Instructions (PDF, generation_dimensions.pdf, knoll.com) ↗Checked Sep 28, 2026
- ITOKI Product Catalog: Act2 functions and features ↗Checked Sep 29, 2026
- ITOKI quality warranty ↗Checked Sep 29, 2026
- Generation Chair by Knoll® | Knoll (official Knoll store; knoll.com/product/generation-by-knoll redirects here) ↗Checked Sep 28, 2026
- ITOKI (Japan) (price) ↗Checked Sep 25, 2026
Itoki ACT2Generation by Knoll
- Price
- ¥132,240$1,653 – $1,886
- Seat height
- 450–565 mm (17.7-22.2 in)16.5–21.75 in (Thin Seat Foam); 17.25–22.5 in (Ultra Seat Foam)
- Recline
- 20°Seat-to-back angle 96°–111°; back tilt range 15°; synchronized recline ratio seat:back 1°:4.4°
- Arms
- Adjustable arms (4D link arms): height, depth, rotation angleArm height from seat 6.625–11.125 in (Thin) / 6.125–10.625 in (Ultra); High performance arm pads adjust 2 in width (1 per arm), 1.5 in depth and pivot 45°
- Lumbar support
- Pelvis & lumbar support: 60 mm, 7 stepsFixed lumbar 9.25 in; optional adjustable lumbar 8.125–11.375 in
- Warranty
- Structure 3 years (mechanisms and moving parts 2 years, exterior and surface finish 1 year)12-year warranty (terms and conditions apply)
What users mention
From 6 Itoki ACT2 and 2 Generation by Knoll user reviews, most mentioned first. Green is liked, orange is a caution.
Design
Itoki ACT28 mentionsGeneration by Knoll5 mentionsComfort
Itoki ACT24 mentionsGeneration by Knoll6 mentionsSeat
Itoki ACT25 mentionsGeneration by Knoll3 mentionsBack support
Itoki ACT26 mentionsGeneration by Knoll1 mentionAdjustability
Itoki ACT25 mentionsGeneration by Knoll2 mentionsArmrests
Itoki ACT24 mentionsGeneration by Knoll1 mention
Questions
What do owners mention most?
Design for the Itoki ACT2, and comfort for the Generation by Knoll, based on review summaries.
Swap in a similar chair
Compare Itoki ACT2 with
Compare Generation by Knoll with
More comparisons
- Itoki ACT2 vs Herman Miller Aeron The Itoki ACT2 encourages active sitting, while the Herman Miller Aeron offers iconic mesh ventilation.
- Itoki ACT2 vs Steelcase Gesture The Japanese ACT2 and American Gesture differ sharply on durability reports and value.
- Generation by Knoll vs Herman Miller Aeron Load capacity: 300 lb on Generation by Knoll; 300 / 350 / 400 lb on Herman Miller Aeron.

