AMD Radeon R9 M390 Mac Edition: GPU Specs & Benchmarks

The Radeon R9 M390 Mac Edition is a graphics card by AMD, built on the 28 nm process and based on the Pitcairn graphics processor (GPU). The video card specifications and performance tests (benchmarks) are listed below.

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Graphics Processor (GPU)

GPU Name

Pitcairn

Model number

Pitcairn PRO
(215-0828062)

Architecture

GCN 1.0

Foundry

TSMC

Process Size

28 nm

Transistors

2,800 million

Die Size

212 mm²

Graphics Card

Release Date

May 5th, 2015

Family

Crystal System
(R9 M300)

Production

End-of-life

Predecessor

Solar System

Bus Interface

PCIe 3.0 x16

Memory

Memory Size

2 GB

Memory Type

GDDR5

Memory Bus

256 bit

Bandwidth

174.7 GB/s

Performance

Pixel fillrate

30.66 GPixel/s

Texture fillrate

61.31 GTexel/s

FP32 (float) performance

1.962 TFLOPS

FP64 (double) performance

122.6 GFLOPS (1:16)

Clock Speeds

Memory Clock

1365 MHz
5.5 Gbps effective

GPU Clock

958 MHz

Render Config

Shading Units

1024

TMUs

64

ROPs

32

Compute Units

16

L1 Cache

16 KB (per CU)

L2 Cache

512 KB

Board Design

Slot Width

MXM Module

Thermal design power (TDP)

80 W

Display Connectors

No outputs

Power Connectors

None

Board Number

C608

API support

DirectX

12 (11_1)

OpenGL

4.6

OpenCL

1.2

Vulkan

1.2

Shader Model

5.1