Humanscale Diffrient Smart vs Generation by Knoll

Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.

Humanscale Diffrient Smart

Humanscale

Humanscale Diffrient Smart

$1,987

VS
Generation by Knoll

Knoll

Generation by Knoll

$1,653 – $1,886

$334

lower starting price for Generation by Knoll than Humanscale Diffrient Smart at the brand stores

Differences at a glance

Humanscale Diffrient SmartGeneration by Knoll
Price
$1,987$1,653 – $1,886
Seat height
16.5” – 22.8”16.5–21.75 in (Thin Seat Foam); 17.25–22.5 in (Ultra Seat Foam)
Seat depth
16.25” - 18.75” seat depth adjustment range15.75–18.75 in with arms, 15.75–18.25 in armless (Ultra); 15–18 in with arms, 15–17.5 in armless (Thin)
Load capacity
up to 400 lbs.300 lb (136.1 kg)
Recline
18° recline + 8° backrest tiltSeat-to-back angle 96°–111°; back tilt range 15°; synchronized recline ratio seat:back 1°:4.4°
Arms
Fixed Duron Arms / Adjustable Duron Arms / 4D Adj Duron Arms / ArmlessArm 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
Tri-panel Form-Sensing mesh adapts its lumbar support to each user (no manual lumbar adjustment)Fixed lumbar 9.25 in; optional adjustable lumbar 8.125–11.375 in
Warranty
15-year, 24/7 warranty12-year warranty (terms and conditions apply)

What users mention

From 2 Humanscale Diffrient Smart and 2 Generation by Knoll user reviews, most mentioned first. Green is liked, orange is a caution.

  • Comfort

    Humanscale Diffrient Smart3 mentions
    Generation by Knoll6 mentions

  • Design

    Humanscale Diffrient Smart3 mentions
    Generation by Knoll5 mentions

  • Adjustability

    Humanscale Diffrient Smart3 mentions
    Generation by Knoll2 mentions

  • Seat

    Humanscale Diffrient Smart2 mentions
    Generation by Knoll3 mentions

  • Breathability

    Humanscale Diffrient Smart3 mentions
    Generation by Knoll1 mention

  • Price and value

    Humanscale Diffrient Smart2 mentions
    Generation by Knoll2 mentions

Questions

Which is cheaper, the Humanscale Diffrient Smart or the Generation by Knoll?

The Generation by Knoll is cheaper to start: $1,653 versus $1,987 for the Humanscale Diffrient Smart at the brand stores (Oct 2026).

What do owners mention most?

Comfort for the Humanscale Diffrient Smart, and comfort for the Generation by Knoll, based on review summaries.

Humanscale Diffrient Smart: specs, reviews, where to buy →Generation by Knoll: specs, reviews, where to buy →

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