IMac With Retina 4.5K display M4 24-Inch

Display
24-inch 4.5K Retina display

4480-by-2520 resolution at 218 pixels per inch with support for 1 billion colors
500 nits brightness
Wide color (P3)
True Tone technology
Actual diagonal screen size is 23.5 in.for 2-port model
24-inch 4.5K Retina display

4480-by-2520 resolution at 218 pixels per inch with support for 1 billion colors
500 nits brightness
Wide color (P3)
True Tone technology
Configurable with:
Nano‑texture glass

Actual diagonal screen size is 23.5 in.for 4-port model
Camera
12MP Center Stage camera with support for Desk View
1080p HD video recording
Advanced image signal processor with computational video
Display Support
Simultaneously supports full native resolution on the built-in display at 1 billion colors and:

One external display with up to 6K resolution at 60Hz
Thunderbolt 4 digital video output

Native DisplayPort output over USB‑C
for 2-port model
Simultaneously supports full native resolution on the built-in display at 1 billion colors and:

Up to two external displays with up to 6K resolution at 60Hz or one external display with up to 8K resolution at 60Hz
Thunderbolt 4 digital video output

Native DisplayPort output over USB‑C
for 4-port model
Video Playback
Supported formats include HEVC, H.264, AV1, and ProRes
HDR with Dolby Vision, HDR10+/HDR10, and HLG
Audio Playback
Supported formats include AAC, MP3, Apple Lossless, FLAC, Dolby Digital, Dolby Digital Plus, and Dolby Atmos