AMD Radeon R9 M395X Mac Edition: GPU Specs & Benchmarks

The Radeon R9 M395X Mac Edition is a graphics card by AMD, built on the 28 nm process and based on the Amethyst graphics processor (GPU). The video card specifications and performance tests (benchmarks) are listed below.

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Graphics Processor (GPU)

GPU Name

Amethyst

Model number

Amethyst XT

Architecture

GCN 3.0

Foundry

TSMC

Process Size

28 nm

Transistors

5,000 million

Die Size

366 mm²

Graphics Card

Release Date

May 5th, 2015

Family

Crystal System
(R9 M300)

Production

Active

Predecessor

Solar System

Bus Interface

MXM-B (3.0)

Memory

Memory Size

4 GB

Memory Type

GDDR5

Memory Bus

256 bit

Bandwidth

174.7 GB/s

Performance

Pixel fillrate

29.09 GPixel/s

Texture fillrate

116.4 GTexel/s

FP16 (half) performance

3.723 TFLOPS (1:1)

FP32 (float) performance

3.723 TFLOPS

FP64 (double) performance

232.7 GFLOPS (1:16)

Clock Speeds

Memory Clock

1365 MHz
5.5 Gbps effective

GPU Clock

909 MHz

Render Config

Shading Units

2048

TMUs

128

ROPs

32

Compute Units

32

L1 Cache

16 KB (per CU)

L2 Cache

512 KB

Board Design

Slot Width

MXM Module

Thermal design power (TDP)

250 W

Display Connectors

No outputs

Power Connectors

None

API support

DirectX

12 (12_0)

OpenGL

4.6

OpenCL

2.0

Vulkan

1.2

Shader Model

6.3