Generation by Knoll vs Itoki ACT2
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
Differences at a glance
Sources
- Generation by Knoll Dimensions, Features and Operating Instructions (PDF, generation_dimensions.pdf, knoll.com) ↗Checked Sep 28, 2026
- ITOKI Product Catalog: Act2 KJ-457JE-GNB4 ↗Checked Sep 29, 2026
- ITOKI Product Catalog: Act2 functions and features ↗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 quality warranty ↗Checked Sep 29, 2026
- ITOKI (Japan) (price) ↗Checked Sep 25, 2026
Generation by KnollItoki ACT2
- Price
- $1,653 – $1,886¥132,240
- Seat height
- 16.5–21.75 in (Thin Seat Foam); 17.25–22.5 in (Ultra Seat Foam)450–565 mm (17.7-22.2 in)
- Recline
- Seat-to-back angle 96°–111°; back tilt range 15°; synchronized recline ratio seat:back 1°:4.4°20°
- Arms
- Arm 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°Adjustable arms (4D link arms): height, depth, rotation angle
- Lumbar support
- Fixed lumbar 9.25 in; optional adjustable lumbar 8.125–11.375 inPelvis & lumbar support: 60 mm, 7 steps
- Warranty
- 12-year warranty (terms and conditions apply)Structure 3 years (mechanisms and moving parts 2 years, exterior and surface finish 1 year)
What users mention
From 2 Generation by Knoll and 7 Itoki ACT2 user reviews, most mentioned first. Green is liked, orange is a caution.
Design
Generation by Knoll5 mentionsItoki ACT28 mentionsComfort
Generation by Knoll6 mentionsItoki ACT24 mentionsSeat
Generation by Knoll3 mentionsItoki ACT26 mentionsBack support
Generation by Knoll1 mentionItoki ACT28 mentionsAdjustability
Generation by Knoll2 mentionsItoki ACT26 mentionsArmrests
Generation by Knoll1 mentionItoki ACT26 mentions
Questions
What do owners mention most?
Comfort for the Generation by Knoll, and back support for the Itoki ACT2, based on review summaries.
Swap in a similar chair
Compare Generation by Knoll with
Compare Itoki ACT2 with
More comparisons
- Generation by Knoll vs Herman Miller Aeron Load capacity: 300 lb on Generation by Knoll; 300 / 350 / 400 lb on Herman Miller Aeron.
- 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.




