Mac · Apple Silicon · 2021

iMac (24-inch, M1)

Apple Silicon let the iMac shrink to a striking 11.5 mm slab and bloom into seven cheerful colours, with a colour-matched keyboard, mouse and even braided power cable.

iMac (24-inch, M1) (2021), Mac by Apple

iMac (24-inch, M1): key facts

When was the iMac (24-inch, M1) released?

The iMac (24-inch, M1) was released in May 2021. Apple discontinued it in October 2023.

How much did the iMac (24-inch, M1) cost?

The iMac (24-inch, M1) launched at $1,299 in 2021 — about $1,507 in today’s money (approximate, US CPI).

What are the iMac (24-inch, M1)’s specs?

The iMac (24-inch, M1) used a Apple M1 (8-core) running at 3.20 GHz, with 8 GB of memory and 256 GB of storage. It ran macOS 11 Big Sur.

Why does the iMac (24-inch, M1) matter?

First redesigned iMac in nearly a decade — 11.5 mm thin, in seven bright colours.

Full specifications

CPUApple M1 (8-core) · 3.20 GHz
Cores8
Memory (RAM)8 GB (up to 16 GB)
Storage256 GB
Display24" 4.5K Retina, 4480×2520
GPUApple 7/8-core GPU
Ports2–4× Thunderbolt / USB 4
Weight4.5 kg
Dimensions11.5 mm-thin all-in-one
Operating systemmacOS 11 Big Sur
ReleasedMay 2021
DiscontinuedOctober 2023
Launch price$1,299

How the iMac (24-inch, M1) compares to today

A 16 GB Apple Silicon MacBook Pro has about 2.0× more memory than this device shipped with.

At 3.20 GHz, the clock is roughly 1.0× slower than a single performance core of a 16 GB Apple Silicon MacBook Pro — and that is before counting cores, width and IPC.

This held about 65,500 modern phone photos — a respectable library even today.

Launched at $1,299 in 2021 — about $1,507 in today’s money (approx., US CPI).

Cross-architecture speed figures are clock-only and approximate; inflation figures use US CPI.

Did you know?

The vivid colours were a deliberate callback to the iMac G3 that started it all.

Related Mac models

Open the iMac (24-inch, M1) in the interactive archive →

Last updated: 2026-06-25