Echo (4th gen) — dimension sheet
Source: Xem Studio, https://xemstudio.com/objects/echo-4th-gen/  (CC BY 4.0)
Basis: Manufacturer spec pages
Catalog version: 2026-10-20

Overall (mm): length 133, width 144, height 144
- Echo (4th gen): 133 × 144 × 144 mm (height × width × depth), 5.24 × 5.67 × 5.67 in, 970 g, 0 in display.
- Google Nest Mini (2nd gen): Ø98 × 42 mm, 181 g, with a wall-mount keyhole on the back. Nest Hub (2nd gen): 177.4 × 120.4 × 69.5 mm, 558 g.
- HomePod mini: Ø97.9 × 84.3 mm, 345 g; HomePod (2nd gen): Ø142 × 168 mm, 2.3 kg. Both are fabric spheres on a silicone foot; mounts should cradle below the equator and never cover the top touch surface.
- Vintage-radio shells for any of these: see the 1950s tabletop radio form entry for the proportions.
- Compare with the rest of the family on the Echo (4th gen), Echo Pop, Echo Show 5, Google Nest Mini, Nest Hub, HomePod mini, HomePod (2nd gen) sheet.

model  height_mm  width_mm  depth_mm  weight_g  display_in
Echo (4th gen)  133  144  144  970  0

Files elsewhere (not hosted by Xem Studio; license as stated by the publisher):
- Amazon (official): Echo (4th gen) technical details — web — Manufacturer spec page — https://www.amazon.com/dp/B07XKF5RM3
- Google (official): Nest Mini tech specs — web — Manufacturer spec page — https://store.google.com/product/google_nest_mini_specs
- Apple (official): HomePod mini tech specs — web — Manufacturer spec page — https://support.apple.com/en-us/111912

Xem Studio scan: planned. Mesh $8, STEP $19, target tolerance ±0.15 mm.
API: https://xemstudio.com/api/geometry?object=echo-4th-gen