Specifications

Display

5K Retina display

27-inch (diagonal) Retina 5K display

5120×2880 resolution with support for 1 billion colours

500 nits brightness

Wide colour (P3)

Processor

10-Core 3.0GHz Intel Xeon W

Turbo Boost up to 4.5GHz

23.75MB cache

Configurable to: 

14-Core                                            18-Core

2.5GHz Intel Xeon W.             2.3GHz Intel Xeon W

Turbo Boost up to 4.3GHz.    Turbo Boost up to 4.3GHz

33.25MB cache.                        42.75MB cache

Graphics

Vega 56

Radeon Pro Vega 56 graphics processor with 8GB of HBM2 memory

56 compute units

3584 stream processors

9 teraflops single precision

18 teraflops half precision

Configurable to: 

Vega 64

Radeon Pro Vega 64 graphics processor with 16GB of HBM2 memory

64 compute units

4096 stream processors

11 teraflops single precision

22 teraflops half precision

Vega 64X

Radeon Pro Vega 64X graphics processor with 16GB of HBM2 memory

64 compute units

4096 stream processors

12 teraflops single precision

24 teraflops half precision

Memory

32GB of 2666MHz DDR4 ECC memory

Quad-channel memory controller

Storage

1TB SSD

Video Support and Camera

1080p FaceTime HD camera

Simultaneously supports full native resolution on the built-in display at 1 billion colours

Audio

Stereo speakers

Four microphones

3.5mm headphone jack

Support for “Hey Siri”

Connections and Expansion

10GB Ethernet

Nbase-T Ethernet with support for 1Gb, 2.5Gb, 5Gb and 10Gb Ethernet using RJ‑45 connector

SDXC card slot with support for UHS‑II

Four USB-A ports

Four Thunderbolt 3 (USB-C) ports with support for:

DisplayPort 1.2

Thunderbolt (up to 40 Gbps)

USB 3.1 Gen 2 (up to 10 Gbps)

Thunderbolt 2, HDMI, DVI and VGA supported using adapters (sold separately)

Size and Weight

Height: 51.6 cm (20.3 inches)

Stand depth: 20.3 cm (8 inches)

Width: 65.0 cm (25.6 inches)

Operating System

macOS Catalina